{"id":4531,"date":"2021-07-17T14:26:36","date_gmt":"2021-07-17T14:26:36","guid":{"rendered":"http:\/\/trangdoan.vn\/kythuatkimhoan\/?p=4531"},"modified":"2025-07-25T09:36:43","modified_gmt":"2025-07-25T09:36:43","slug":"cac-yeu-to-chat-luong-cua-kim-cuong-phan-3","status":"publish","type":"post","link":"https:\/\/trangdoan.vn\/kythuatkimhoan\/cac-yeu-to-chat-luong-cua-kim-cuong-phan-3\/","title":{"rendered":"C\u00c1C Y\u1ebeU T\u1ed0 CH\u1ea4T L\u01af\u1ee2NG C\u1ee6A KIM C\u01af\u01a0NG – PH\u1ea6N 3"},"content":{"rendered":"

CUT - C\u1eaeT M\u00c0I<\/h2>\n

M\u1ed9t vi\u00ean Kim c\u01b0\u01a1ng<\/a> th\u00e0nh ph\u1ea9m \u0111\u1eb9p th\u00ec chi\u1ebfu s\u00e1ng r\u1ef1c r\u1ee1. M\u1ecdi m\u1eb7t gi\u00e1c \u0111\u1ec1u cho th\u1ea5y k\u1ef9 n\u0103ng v\u00e0 s\u1ef1 ch\u0103m ch\u00fat t\u1ec9 m\u1ec9 c\u1ee7a ng\u01b0\u1eddi th\u1ee3 c\u1eaft m\u00e0i. Khi m\u1ed9t vi\u00ean kim c\u01b0\u01a1ng t\u01b0\u01a1ng t\u00e1c v\u1edbi \u00e1nh s\u00e1ng, m\u1ecdi g\u00f3c \u0111\u1ed9 v\u00e0 m\u1ecdi m\u1eb7t gi\u00e1c \u0111\u1ec1u t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn l\u01b0\u1ee3ng \u00e1nh s\u00e1ng quay tr\u1edf l\u1ea1i m\u1eaft. \u0110\u00e2y l\u00e0 nh\u1eefng g\u00ec mang l\u1ea1i cho v\u1ebb b\u1ec1 ngo\u00e0i c\u1ee7a vi\u00ean \u0111\u00e1.<\/p>\n

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Trong n\u1ed7 l\u1ef1c t\u1ea1o s\u1ef1 kh\u00e1c bi\u1ec7t v\u00e0 do nhu c\u1ea7u ng\u00e0y c\u00e0ng cao v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c trong qu\u00e1 tr\u00ecnh c\u1eaft m\u00e0i, nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e3 t\u1ea1o ra nh\u1eefng vi\u00ean kim c\u01b0\u01a1ng theo c\u00e1c ti\u00eau chu\u1ea9n ch\u00ednh x\u00e1c trong su\u1ed1t nhi\u1ec1u th\u1eadp k\u1ef7. L\u01b0u \u00fd m\u1eabu m\u0169i t\u00ean ch\u00ednh x\u00e1c trong vi\u00ean kim c\u01b0\u01a1ng 1,54 ct n\u00e0y.<\/p><\/div>\n

C\u00e1c m\u1eb7t gi\u00e1c c\u1ee7a m\u1ed9t vi\u00ean kim c\u01b0\u01a1ng quy\u1ebft \u0111\u1ecbnh c\u00e1ch \u00e1nh s\u00e1ng di chuy\u1ec3n \u0111i v\u00e0o n\u00f3. N\u1ebfu \u00e1nh s\u00e1ng \u0111i xuy\u00ean qua ph\u1ea7n tr\u00ean v\u00e0 \u0111i ra ngo\u00e0i \u1edf ph\u1ea7n \u0111\u00e1y, vi\u00ean kim c\u01b0\u01a1ng s\u1ebd tr\u00f4ng t\u1ed1i v\u00e0 kh\u00f4ng chi\u1ebfu. Kim c\u01b0\u01a1ng c\u00f3 t\u1ef7 l\u1ec7 c\u00e1c ph\u1ea7n kh\u00e1c nhau v\u00e0 \u0111\u00e1nh b\u00f3ng t\u1ed1t gi\u00fap \u00e1nh s\u00e1ng di chuy\u1ec3n t\u1ed1t h\u01a1n v\u00e0 s\u1ebd chi\u1ebfu s\u00e1ng, \u0111\u1ea7y m\u00e0u s\u1eafc v\u00e0 l\u1ea5p l\u00e1nh.<\/p>\n

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M\u1ed9t vi\u00ean kim c\u01b0\u01a1ng \u0111\u01b0\u1ee3c c\u1eaft m\u00e0i t\u1ed1t th\u1ec3 hi\u1ec7n v\u1ebb \u0111\u1eb9p m\u00e0 ng\u01b0\u1eddi ti\u00eau d\u00f9ng mong \u0111\u1ee3i \u0111\u01b0\u1ee3c th\u1ea5y \u1edf m\u1ed9t vi\u00ean kim c\u01b0\u01a1ng.<\/p><\/div>\n

M\u1ed9t vi\u00ean kim c\u01b0\u01a1ng \u0111\u1eb9p nh\u01b0 c\u00e1ch v\u1eeba m\u00f4 t\u1ea3 v\u00ec ba hi\u1ec7u \u1ee9ng quang h\u1ecdc: S\u1ef1 ph\u1ea3n x\u1ea1 \u00e1nh s\u00e1ng tr\u1eafng g\u1ecdi l\u00e0 \u0111\u1ed9 s\u00e1ng, s\u1ef1 nh\u1ea5p nh\u00e1y m\u00e0u g\u1ecdi l\u00e0 \u0111\u1ed9 r\u1ef1c l\u1eeda v\u00e0 c\u00e1c v\u00f9ng s\u00e1ng v\u00e0 t\u1ed1i g\u1ecdi l\u00e0 s\u1ef1 l\u1ea5p l\u00e1nh. H\u00ecnh \u1ea3nh vi\u00ean \u0111\u00e1 l\u00e0 k\u00edch th\u01b0\u1edbc t\u01b0\u01a1ng \u0111\u1ed1i. S\u1ef1 s\u1eafp x\u1ebfp v\u00e0 \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n c\u1ee7a c\u00e1c v\u00f9ng s\u00e1ng v\u00e0 t\u1ed1i xu\u1ea5t ph\u00e1t t\u1eeb s\u1ef1 ph\u1ea3n x\u1ea1 b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i c\u1ee7a kim c\u01b0\u01a1ng. Ph\u1ea3i c\u00f3 \u0111\u1ee7 \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n gi\u1eefa c\u00e1c v\u00f9ng s\u00e1ng v\u00e0 t\u1ed1i \u0111\u1ec3 t\u1ea1o ra h\u00ecnh \u1ea3nh vi\u00ean kim c\u01b0\u01a1ng c\u00f3 v\u1ebb lanh v\u00e0 s\u1eafc n\u00e9t.<\/p>\n

<\/span>V\u00c0I \u0110I\u1ec0U V\u1ec0 C\u1eaeT M\u00c0I KIM C\u01af\u01a0NG<\/span><\/h3>\n

Kim c\u01b0\u01a1ng n\u1ed5i ti\u1ebfng v\u1edbi kh\u1ea3 n\u0103ng truy\u1ec1n \u00e1nh s\u00e1ng v\u00e0 s\u1ef1 l\u1ea5p l\u00e1nh r\u1ea5t m\u00e3nh li\u1ec7t. Ch\u00fang ta th\u01b0\u1eddng ngh\u0129 \u0111\u1ebfn kh\u00e1i ni\u1ec7m c\u1eaft m\u00e0i kim c\u01b0\u01a1ng l\u00e0 n\u00f3i \u0111\u1ebfn h\u00ecnh d\u1ea1ng (tr\u00f2n, Emerald<\/a>, gi\u1ecdt n\u01b0\u1edbc). Nh\u01b0ng th\u1eadt ra vi\u1ec7c ph\u00e2n c\u1ea5p c\u1eaft m\u00e0i kim c\u01b0\u01a1ng l\u00e0 \u0111\u00e1nh gi\u00e1 vi\u1ec7c c\u00e1c m\u1eb7t gi\u00e1c c\u1ee7a kim c\u01b0\u01a1ng t\u01b0\u01a1ng t\u00e1c v\u1edbi \u00e1nh s\u00e1ng t\u1ed1t nh\u01b0 th\u1ebf n\u00e0o.<\/span><\/p>\n

T\u00e0i ngh\u1ec7 v\u00e0 tay ngh\u1ec1 \u0111\u1eb7c bi\u1ec7t c\u1ee7a ng\u01b0\u1eddi th\u1ee3 c\u1eaft m\u00e0i l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea1o ra m\u1ed9t vi\u00ean \u0111\u00e1 \u0111\u1eb9p. \u0110\u00f3 l\u00e0 t\u1ec9 l\u1ec7 gi\u1eefa c\u00e1c ph\u1ea7n, t\u00ednh \u0111\u1ed1i x\u1ee9ng v\u00e0 \u0111\u1ed9 \u0111\u00e1nh b\u00f3ng c\u1ee7a n\u00f3 mang l\u1ea1i s\u1ef1 ph\u1ea3n chi\u1ebfu tuy\u1ec7t v\u1eddi c\u1ee7a \u00e1nh s\u00e1ng (ch\u1ec9 c\u00f3 th\u1ec3 c\u00f3 \u0111\u1ed1i v\u1edbi kim c\u01b0\u01a1ng).<\/span><\/p>\n

Ch\u1ea5t l\u01b0\u1ee3ng c\u1eaft m\u00e0i l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi v\u1ebb \u0111\u1eb9p v\u00e0 gi\u00e1 tr\u1ecb cu\u1ed1i c\u00f9ng c\u1ee7a kim c\u01b0\u01a1ng. V\u00e0 trong c\u00e1c ti\u00eau chu\u1ea9n 4C, c\u1eaft m\u00e0i l\u00e0 y\u1ebfu t\u1ed1 ph\u1ee9c t\u1ea1p nh\u1ea5t v\u00e0 kh\u00f3 ph\u00e2n t\u00edch nh\u1ea5t v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt.<\/span><\/p>\n

H\u1ec7 th\u1ed1ng ph\u00e2n c\u1ea5p c\u1eaft m\u00e0i c\u1ee7a GIA cho kim c\u01b0\u01a1ng tr\u00f2n gi\u00e1c c\u00fac ti\u00eau chu\u1ea9n \u0111\u00e1nh gi\u00e1 d\u1ef1a tr\u00ean b\u1ea3y y\u1ebfu t\u1ed1. Ba y\u1ebfu t\u1ed1 \u0111\u1ea7u l\u00e0 \u0111\u1ed9 chi\u1ebfu s\u00e1ng, \u0111\u1ed9 r\u1ef1c l\u1eeda v\u00e0 \u0111\u1ed9 l\u1ea5p l\u00e1nh nh\u1eb1m xem x\u00e9t v\u1ec1 v\u1ebb ngo\u00e0i t\u1ed5ng th\u1ec3 c\u1ee7a vi\u00ean kim c\u01b0\u01a1ng. B\u1ed1n y\u1ebfu t\u1ed1 c\u00f2n l\u1ea1i l\u00e0 t\u1ec9 l\u1ec7 theo tr\u1ecdng l\u01b0\u1ee3ng, \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 \u0111\u00e1nh b\u00f3ng v\u00e0 \u0111\u1ed9 c\u00e2n \u0111\u1ed1i nh\u1eb1m \u0111\u00e1nh gi\u00e1 thi\u1ebft k\u1ebf v\u00e0 t\u00e0i ngh\u1ec7, m\u1ee9c \u0111\u1ed9 t\u1ec9 m\u1ec9 c\u1ee7a th\u1ee3 c\u1eaft.<\/span><\/p>\n

<\/span>BRIGHTNESS \u2013 \u0110\u1ed8 CHI\u1ebeU S\u00c1NG<\/span><\/h4>\n

\u00c1nh s\u00e1ng tr\u1eafng b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i ph\u1ea3n chi\u1ebfu t\u1eeb vi\u00ean kim c\u01b0\u01a1ng.<\/span><\/p>\n

<\/span>FIRE \u2013 \u0110\u1ed8 R\u1ef0C L\u1eecA<\/span><\/h4>\n

S\u1ef1 t\u00e1n x\u1ea1 c\u1ee7a \u00e1nh s\u00e1ng tr\u1eafng th\u00e0nh nhi\u1ec1u m\u00e0u s\u1eafc trong d\u00e3y m\u00e0u c\u1ea7u v\u1ed3ng.<\/p>\n

<\/span>SCINTILLATION \u2013 \u0110\u1ed8 L\u1ea4P L\u00c1NH<\/span><\/h4>\n

S\u1ef1 l\u1ea5p l\u00e1nh c\u1ee7a m\u1ed9t vi\u00ean kim c\u01b0\u01a1ng t\u1ea1o ra v\u00e0 h\u00ecnh \u1ea3nh c\u1ee7a c\u00e1c v\u00f9ng s\u00e1ng v\u00e0 t\u1ed1i g\u00e2y ra b\u1edfi s\u1ef1 ph\u1ea3n chi\u1ebfu b\u00ean trong vi\u00ean kim c\u01b0\u01a1ng.<\/p>\n

<\/span>PH\u00c2N C\u1ea4P GI\u00c1C C\u1eaeT KIM C\u01af\u01a0NG<\/span><\/h3>\n

<\/span>EXCELLENT<\/span><\/h4>\n

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Vi\u00ean kim c\u01b0\u01a1ng c\u00f3 h\u00ecnh \u1ea3nh c\u00e1c v\u00f9ng s\u00e1ng v\u00e0 t\u1ed1i \u0111\u1ed3ng \u0111\u1ec1u, \u0111\u1ea1t c\u1ea5p \u0111\u1ed9 cao nh\u1ea5t \u1edf t\u1ea5t c\u1ea3 c\u00e1c y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh trong vi\u1ec7c ph\u00e2n c\u1ea5p c\u1eaft m\u00e0i.<\/span><\/p>\n

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M\u1eb7c d\u00f9 t\u1ec9 l\u1ec7 c\u00e1c m\u1eb7t c\u1eaft c\u1ee7a n\u00f3 kh\u00e1c v\u1edbi vi\u00ean kim c\u01b0\u01a1ng trong v\u00ed d\u1ee5 \u0111\u1ea7u ti\u00ean, vi\u00ean kim c\u01b0\u01a1ng n\u00e0y c\u0169ng c\u00f3 h\u00ecnh \u1ea3nh c\u00e1c v\u00f9ng v\u00f9ng s\u00e1ng v\u00e0 t\u1ed1i \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 \u0111\u1ea1t c\u1ea5p \u0111\u1ed9 cao nh\u1ea5t \u1edf t\u1ea5t c\u1ea3 c\u00e1c y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh trong vi\u1ec7c ph\u00e2n c\u1ea5p c\u1eaft m\u00e0i.<\/span><\/p>\n

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Vi\u00ean kim c\u01b0\u01a1ng n\u00e0y c\u0169ng \u0111\u1ea1t c\u1ea5p \u0111\u1ed9 cao nh\u1ea5t \u1edf t\u1ea5t c\u1ea3 c\u00e1c y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh trong vi\u1ec7c ph\u00e2n c\u1ea5p c\u1eaft m\u00e0i.<\/span><\/p>\n

<\/span>VERRY GOOD<\/span><\/h4>\n

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Kim c\u01b0\u01a1ng \u0111\u1ea1t ph\u00e2n c\u1ea5p n\u00e0y \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh qua \u0111\u1ed9 s\u00e1ng, \u0111\u1ed9 l\u1ea5p l\u00e1nh v\u00e0 \u0111\u1ed9 \u0111\u00e1nh b\u00f3ng. M\u1eb7c d\u00f9 kh\u00f4ng c\u00f3 ph\u1ea7n ri\u00eang l\u1ebb n\u00e0o c\u00f3 th\u1ec3 khi\u1ebfn \u0111\u1ed9 s\u00e1ng ho\u1eb7c \u0111\u1ed9 l\u1ea5p l\u00e1nh c\u1ee7a n\u00f3 ho\u1ea1t \u0111\u1ed9ng k\u00e9m. Nh\u01b0ng s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a b\u1ed9 t\u1ec9 l\u1ec7 c\u00e1c ph\u1ea7n ri\u00eang l\u1ebb n\u00e0y d\u1eabn \u0111\u1ebfn s\u1ef1 gia t\u0103ng \u0111\u1ed9 t\u1ed1i trong c\u00e1c gi\u00e1c \u0111\u00e1y ch\u00ednh.<\/span><\/p>\n

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Kim c\u01b0\u01a1ng \u0111\u1ea1t ph\u00e2n c\u1ea5p n\u00e0y \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh qua \u0111\u1ed9 r\u1ef1c l\u1eeda, \u0111\u1ed9 l\u1ea5p l\u00e1nh v\u00e0 t\u1ec9 l\u1ec7 tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a n\u00f3. N\u00f3 c\u00f3 h\u00ecnh \u1ea3nh \u201csplintery \u2013 s\u1edb s\u1ee3i\u201d, r\u1ea5t c\u00f3 th\u1ec3 l\u00e0 do chi\u1ec1u cao ph\u1ea7n tr\u00ean cao h\u01a1n v\u00e0 g\u00f3c ph\u1ea7n tr\u00ean h\u01a1i d\u1ed1c, k\u1ebft h\u1ee3p v\u1edbi c\u00e1c gi\u00e1c g\u1edd d\u01b0\u1edbi kh\u00e1 d\u00e0i.<\/span><\/p>\n

\"\"<\/p>\n

Kim c\u01b0\u01a1ng \u0111\u1ea1t ph\u00e2n c\u1ea5p n\u00e0y \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh qua \u0111\u1ed9 s\u00e1ng, \u0111\u1ed9 l\u1ea5p l\u00e1nh v\u00e0 \u0111\u1ed9 ho\u00e0n thi\u1ec7n. C\u00f3 m\u1ed9t ch\u00fat t\u1ed1i trong m\u1eb7t b\u00e0n v\u00e0 d\u1ecdc theo c\u00e1c gi\u00e1c g\u1edd tr\u00ean.<\/span><\/p>\n

<\/span>GOOD<\/span><\/h4>\n

\"\"<\/p>\n

Kim c\u01b0\u01a1ng \u0111\u1ea1t ph\u00e2n c\u1ea5p n\u00e0y b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi s\u1ef1 l\u1ea5p l\u00e1nh c\u1ee7a n\u00f3. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, g\u00f3c ph\u1ea7n \u0111\u00e1y h\u01a1i n\u00f4ng t\u1ea1o ra c\u00e1c gi\u00e1c \u0111\u00e1y ch\u00ednh b\u1ecb t\u1ed1i.<\/span><\/p>\n

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Kim c\u01b0\u01a1ng \u0111\u1ea1t ph\u00e2n c\u1ea5p n\u00e0y \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh qua \u0111\u1ed9 r\u1ef1c l\u1eeda, \u0111\u1ed9 l\u1ea5p l\u00e1nh v\u00e0 t\u1ec9 l\u1ec7 tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a n\u00f3. G\u00f3c ph\u1ea7n tr\u00ean h\u01a1i d\u1ed1c, k\u1ebft h\u1ee3p v\u1edbi ph\u1ea7n \u0111\u00e1y c\u0169ng kh\u00e1 d\u1ed1c v\u00e0 t\u1ed5ng chi\u1ec1u d\u00e0y n\u00e0y. Do \u0111\u00f3 k\u1ebft qu\u1ea3 l\u00e0 th\u1ea5y trong vi\u00ean kim c\u01b0\u01a1ng c\u00f3 m\u1ed9t v\u00f2ng h\u01a1i t\u1ed1i trong ph\u1ea1m vi ph\u1ea7n r\u00eca c\u1ee7a m\u1eb7t b\u00e0n, c\u0169ng nh\u01b0 t\u1ea1i c\u00e1c gi\u00e1c g\u1edd tr\u00ean c\u0169ng h\u01a1i t\u1ed1i.<\/span><\/p>\n

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Kim c\u01b0\u01a1ng \u0111\u1ea1t ph\u00e2n c\u1ea5p n\u00e0y b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi \u0111\u1ed9 l\u1ea5p l\u00e1nh c\u1ee7a n\u00f3. G\u00f3c c\u1eaft c\u1ee7a ph\u1ea7n tr\u00ean n\u00f4ng v\u00e0 chi\u1ec1u cao ph\u1ea7n tr\u00ean th\u1ea5p d\u1eabn \u0111\u1ebfn h\u00ecnh \u1ea3nh vi\u00ean \u0111\u00e1 khi nh\u00ecn tr\u1ef1c di\u1ec7n th\u1ea5y thi\u1ebfu s\u1ef1 t\u01b0\u01a1ng ph\u1ea3n v\u00e0 b\u1ecb t\u1ed1i c\u1ee5c b\u1ed9 (\u0111\u1eb7c bi\u1ec7t l\u00e0 trong khu v\u1ef1c m\u1eb7t b\u00e0n).<\/span><\/p>\n

<\/span>FAIR<\/span><\/h4>\n

\"\"<\/p>\n

Kim c\u01b0\u01a1ng \u0111\u1ea1t ph\u00e2n c\u1ea5p n\u00e0y b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi \u0111\u1ed9 l\u1ea5p l\u00e1nh c\u1ee7a n\u00f3. S\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a g\u00f3c c\u1eaft ph\u1ea7n tr\u00ean n\u00f4ng v\u00e0 g\u00f3c c\u1eaft ph\u1ea7n \u0111\u00e1y h\u01a1i n\u00f4ng d\u1eabn \u0111\u1ebfn h\u00ecnh \u1ea3nh vi\u00ean \u0111\u00e1 khi nh\u00ecn tr\u1ef1c di\u1ec7n thi\u1ebfu \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n v\u00e0 nh\u00ecn chung th\u1ea5y vi\u00ean \u0111\u00e1 b\u1ecb t\u1ed1i.<\/span><\/p>\n

\"\"<\/p>\n

Kim c\u01b0\u01a1ng \u0111\u1ea1t ph\u00e2n c\u1ea5p n\u00e0y \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh qua \u0111\u1ed9 r\u1ef1c l\u1eeda, \u0111\u1ed9 l\u1ea5p l\u00e1nh v\u00e0 t\u1ec9 l\u1ec7 tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a n\u00f3. G\u00f3c c\u1eaft ph\u1ea7n tr\u00ean h\u01a1i d\u1ed1c, k\u1ebft h\u1ee3p v\u1edbi g\u00f3c c\u1eaft ph\u1ea7n \u0111\u00e1y d\u1ed1c v\u00e0 t\u1ed5ng chi\u1ec1u d\u00e0y l\u1edbn, khi\u1ebfn vi\u00ean kim c\u01b0\u01a1ng n\u00e0y nh\u00ecn chung th\u1ea5y b\u1ecb t\u1ed1i trong khu v\u1ef1c m\u1eb7t b\u00e0n v\u00e0 r\u1ea5t t\u1ed1i \u1edf khu v\u1ef1c gi\u00e1c g\u1edd tr\u00ean.<\/span><\/p>\n

\"\"<\/p>\n

Kim c\u01b0\u01a1ng \u0111\u1ea1t ph\u00e2n c\u1ea5p n\u00e0y b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi \u0111\u1ed9 s\u00e1ng v\u00e0 \u0111\u1ed9 l\u1ea5p l\u00e1nh c\u1ee7a n\u00f3. Ph\u1ea7n m\u1eb7t b\u00e0n l\u1edbn v\u00e0 chi\u1ec1u cao ph\u1ea7n tr\u00ean h\u01a1i n\u00f4ng. V\u1edbi g\u00f3c c\u1eaft ph\u1ea7n \u0111\u00e1y, t\u1ea1o ra h\u00ecnh \u1ea3nh vi\u00ean \u0111\u00e1 nh\u00ecn chung b\u1ecb t\u1ed1i, c\u00f9ng v\u1edbi hi\u1ec7u \u1ee9ng m\u1eaft c\u00e1 nh\u1ecf, \u0111i\u1ec1u n\u00e0y c\u00e0ng tr\u1edf n\u00ean r\u00f5 r\u00e0ng h\u01a1n khi nghi\u00eang vi\u00ean kim c\u01b0\u01a1ng.<\/span><\/p>\n

<\/span>POOR<\/span><\/h4>\n

\"\"<\/p>\n

Kim c\u01b0\u01a1ng \u0111\u1ea1t ph\u00e2n c\u1ea5p n\u00e0y b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi t\u1ec9 l\u1ec7 tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a n\u00f3. M\u1eb7c d\u00f9 h\u1ea7u h\u1ebft t\u1ec9 l\u1ec7 c\u00e1c ph\u1ea7n c\u1ee7a vi\u00ean kim c\u01b0\u01a1ng n\u00e0y l\u00e0 kh\u00e1 chu\u1ea9n, nh\u01b0ng ph\u1ea7n g\u1edd c\u1ef1c d\u00e0y l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 t\u1ed5ng chi\u1ec1u d\u00e0y. Do \u0111\u00f3, \u0111\u01b0\u1eddng k\u00ednh vi\u00ean kim c\u01b0\u01a1ng n\u00e0y nh\u1ecf h\u01a1n nhi\u1ec1u so v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng carat t\u01b0\u01a1ng \u1ee9ng c\u1ee7a n\u00f3.<\/span><\/p>\n

\"\"<\/p>\n

Kim c\u01b0\u01a1ng \u0111\u1ea1t ph\u00e2n c\u1ea5p n\u00e0y b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi \u0111\u1ed9 r\u1ef1c l\u1eeda v\u00e0 \u0111\u1ed9 l\u1ea5p l\u00e1nh c\u1ee7a n\u00f3. G\u00f3c c\u1eaft ph\u1ea7n tr\u00ean h\u01a1i d\u1ed1c, g\u00f3c c\u1eaft ph\u1ea7n \u0111\u00e1y r\u1ea5t d\u1ed1c v\u00e0 t\u1ed5ng chi\u1ec1u d\u00e0y l\u1edbn. T\u1ea5t c\u1ea3 \u0111\u1ec1u khi\u1ebfn vi\u00ean kim c\u01b0\u01a1ng c\u00f3 ph\u1ea7n m\u1eb7t b\u00e0n r\u1ea5t t\u1ed1i, c\u00f9ng v\u1edbi c\u00e1c khu v\u1ef1c gi\u00e1c g\u1edd tr\u00ean c\u0169ng r\u1ea5t t\u1ed1i.<\/span><\/p>\n

\"\"<\/p>\n

Kim c\u01b0\u01a1ng \u0111\u1ea1t ph\u00e2n c\u1ea5p n\u00e0y c\u0169ng b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi t\u1ec9 l\u1ec7 tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a n\u00f3. G\u00f3c c\u1eaft ph\u1ea7n tr\u00ean h\u01a1i d\u1ed1c, g\u00f3c c\u1eaft ph\u1ea7n \u0111\u00e1y c\u0169ng kh\u00e1 d\u1ed1c v\u00e0 g\u1edd r\u1ea5t d\u00e0y l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 t\u1ed5ng chi\u1ec1u d\u00e0y. Do \u0111\u00f3, \u0111\u01b0\u1eddng k\u00ednh vi\u00ean kim c\u01b0\u01a1ng n\u00e0y nh\u1ecf h\u01a1n nhi\u1ec1u so v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng carat t\u01b0\u01a1ng \u1ee9ng c\u1ee7a n\u00f3.<\/span><\/p>\n

<\/span>C\u00c1C PH\u1ea6N C\u1ee6A M\u1ed8T VI\u00caN KIM C\u01af\u01a0NG<\/span><\/h3>\n

Thi\u1ebft k\u1ebf v\u00e0 t\u00e0i ngh\u1ec7 c\u1ee7a ng\u01b0\u1eddi th\u1ee3 c\u1eaft m\u00e0i cho vi\u00ean kim c\u01b0\u01a1ng \u0111\u01b0\u1ee3c xem x\u00e9t qua t\u1ec9 l\u1ec7 tr\u1ecdng l\u01b0\u1ee3ng (tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a kim c\u01b0\u01a1ng so v\u1edbi \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a n\u00f3). \u0110\u1ed9 d\u00e0y g\u1edd c\u1ee7a kim c\u01b0\u01a1ng (\u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n c\u1ee7a n\u00f3), t\u00ednh \u0111\u1ed1i x\u1ee9ng c\u1ee7a s\u1ef1 s\u1eafp x\u1ebfp m\u1eb7t gi\u00e1c v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00e1nh b\u00f3ng tr\u00ean c\u00e1c m\u1eb7t gi\u00e1c \u0111\u00f3.<\/span><\/p>\n

\"\"<\/p>\n

C\u1eaft m\u00e0i th\u01b0\u1eddng b\u1ecb nh\u1ea7m l\u1eabn v\u1edbi h\u00ecnh d\u1ea1ng c\u1ee7a vi\u00ean kim c\u01b0\u01a1ng nh\u01b0ng th\u1ef1c ch\u1ea5t th\u00ec c\u1eaft m\u00e0i l\u1ea1i li\u00ean quan \u0111\u1ebfn s\u1ef1 s\u1eafp x\u1ebfp c\u00e1c m\u1eb7t gi\u00e1c c\u1ee7a vi\u00ean \u0111\u00e1. H\u00ecnh d\u1ea1ng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c \u0111\u01b0\u1eddng vi\u1ec1n bao b\u00ean ngo\u00e0i vi\u00ean \u0111\u00e1. H\u00ecnh d\u1ea1ng kim c\u01b0\u01a1ng ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong trang s\u1ee9c l\u00e0 tr\u00f2n. V\u00ed d\u1ee5 nh\u01b0 \u0111\u01b0\u1ee3c th\u1ea5y trong d\u1ea1ng tr\u00f2n gi\u00e1c c\u00fac ti\u00eau chu\u1ea9n r\u1ef1c r\u1ee1. T\u1ea5t c\u1ea3 c\u00e1c h\u00ecnh d\u1ea1ng kim c\u01b0\u01a1ng kh\u00e1c \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 fancy shape \u2013 h\u00ecnh d\u1ea1ng kh\u00e1c l\u1ea1. H\u00ecnh d\u1ea1ng kh\u00e1c l\u1ea1 truy\u1ec1n th\u1ed1ng bao g\u1ed3m marquise \u2013 h\u1ea1t d\u01b0a (d\u1ea1ng thuy\u1ec1n), pear \u2013 gi\u1ecdt n\u01b0\u1edbc, oval \u2013 h\u00ecnh b\u1ea7u d\u1ee5c v\u00e0 octagonal \u2013 b\u00e1t gi\u00e1c (nh\u01b0 \u0111\u01b0\u1ee3c th\u1ea5y trong gi\u00e1c c\u1eaft emerald). H\u00ecnh vu\u00f4ng, n\u1ec7m (h\u00ecnh vu\u00f4ng v\u1edbi c\u00e1c c\u1ea1nh tr\u00f2n), h\u00ecnh tam gi\u00e1c v\u00e0 m\u1ed9t lo\u1ea1t c\u00e1c h\u00ecnh d\u1ea1ng kh\u00e1c c\u0169ng \u0111ang tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn trong ng\u00e0nh trang s\u1ee9c kim c\u01b0\u01a1ng.<\/p>\n

TABLE - M\u1eb6T B\u00c0N<\/h4>\n\n\n\n
\nGi\u00e1c l\u1edbn nh\u1ea5t tr\u00ean vi\u00ean \u0111\u00e1.<\/span>\"\"\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

CROWN - PH\u1ea6N TR\u00caN<\/span><\/h4>\n\n\n\n
\"\"Ph\u1ea7n tr\u00ean c\u00f9ng c\u1ee7a vi\u00ean kim c\u01b0\u01a1ng k\u00e9o d\u00e0i t\u1eeb g\u1edd \u0111\u1ebfn m\u1eb7t b\u00e0n.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/h4>\n

GIRDLE - G\u1edc<\/span><\/h4>\n\n\n\n
\n

\"\"Giao \u0111i\u1ec3m c\u1ee7a ph\u1ea7n tr\u00ean v\u00e0 ph\u1ea7n \u0111\u00e1y, n\u01a1i x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc c\u1ee7a vi\u00ean kim c\u01b0\u01a1ng.<\/span><\/p>\n

(GIA c\u0169ng cung c\u1ea5p d\u1ecbch v\u1ee5 kh\u1eafc ch\u1eef laser t\u00f9y ch\u1ecdn k\u00e8m theo c\u00e1c gi\u1ea5y ch\u1ee9ng nh\u1eadn c\u1ee7a n\u00f3 (k\u00e8m theo b\u1ea3ng gi\u00e1m \u0111\u1ecbnh GIA Diamond<\/a> Dossier\u00ae). Trong \u0111\u00f3 s\u1ed1 kh\u1eafc tr\u00ean kim c\u01b0\u01a1ng \u0111\u01b0\u1ee3c kh\u1eafc \u1edf ph\u1ea7n g\u1edd c\u1ee7a vi\u00ean \u0111\u00e1).<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

CULET - CH\u00d3P \u0110\u00c1Y<\/span><\/h4>\n\n\n\n
\"\"Gi\u00e1c n\u1eb1m \u1edf ch\u00f3p nh\u1ecdn c\u1ee7a vi\u00ean \u0111\u00e1 qu\u00fd.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

PAVILION - PH\u1ea6N \u0110\u00c1Y<\/span><\/h4>\n\n\n\n
\n

\"\"Ph\u1ea7n d\u01b0\u1edbi c\u00f9ng c\u1ee7a vi\u00ean kim c\u01b0\u01a1ng, k\u00e9o d\u00e0i t\u1eeb g\u1edd \u0111\u1ebfn ch\u00f3p \u0111\u00e1y.<\/span><\/p>\n

Chi\u1ec1u d\u00e0y ph\u1ea7n \u0111\u00e1y n\u1ebfu qu\u00e1 n\u00f4ng ho\u1eb7c qu\u00e1 d\u00e0y s\u1ebd l\u00e0m cho \u00e1nh s\u00e1ng tho\u00e1t ra t\u1eeb c\u00e1c m\u1eb7t b\u00ean h\u00f4ng vi\u00ean \u0111\u00e1 ho\u1eb7c tho\u00e1t ra ph\u00eda ph\u1ea7n \u0111\u00e1y. M\u1ed9t vi\u00ean kim c\u01b0\u01a1ng \u0111\u01b0\u1ee3c c\u1eaft m\u00e0i t\u1ed1t c\u00f3 th\u1ec3 cho nhi\u1ec1u \u00e1nh s\u00e1ng tr\u1edf l\u1ea1i qua ph\u1ea7n tr\u00ean.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

T\u1eeb l\u00e2u, ng\u00e0nh c\u00f4ng nghi\u1ec7p kinh doanh kim c\u01b0\u01a1ng \u0111\u00e3 bi\u1ebft r\u1eb1ng c\u00e1c gi\u00e1c c\u1eaft c\u1ee7a vi\u00ean \u0111\u00e1 k\u1ebft h\u1ee3p t\u1ed1t v\u1edbi nhau l\u00e0m cho \u00e1nh s\u00e1ng truy\u1ec1n t\u1ed1t h\u01a1n nh\u1eefng kho\u00e1ng v\u1eadt kh\u00e1c. Tuy nhi\u00ean, trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, c\u00e1c nh\u00e0 khoa h\u1ecdc v\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u thu\u1ed9c Ph\u00f2ng nghi\u00ean c\u1ee9u GIA v\u00e0 Ph\u00f2ng gi\u00e1m \u0111\u1ecbnh GIA \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng c\u00f3 nhi\u1ec1u bi\u1ebfn th\u1ec3. V\u00e0 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c gi\u00e1c c\u1eaft s\u1ebd t\u1ed1i \u0111a h\u00f3a \u0111\u1ed9 chi\u1ebfu s\u00e1ng v\u00e0 \u0111\u1ed9 r\u1ef1c l\u1eeda trong nh\u1eefng vi\u00ean kim c\u01b0\u01a1ng c\u1eaft d\u1ea1ng tr\u00f2n gi\u00e1c c\u00fac r\u1ef1c r\u1ee1.<\/p>\n

\"\"<\/p>\n

Theo nguy\u00ean t\u1eafc chung, c\u1ea5p c\u1eaft m\u00e0i c\u00e0ng cao, kim c\u01b0\u01a1ng c\u00e0ng chi\u1ebfu s\u00e1ng. D\u01b0\u1edbi \u00e1nh s\u00e1ng\u00a0hu\u1ef3nh quang, nh\u1eefng vi\u00ean kim c\u01b0\u01a1ng n\u00e0y (tr\u00e1i sang ph\u1ea3i) cho th\u1ea5y \u0111\u1ed9 chi\u1ebfu s\u00e1ng cao, trung b\u00ecnh v\u00e0 th\u1ea5p.<\/p>\n

Thu\u1eadt ng\u1eef \u201ccut \u2013 c\u1eaft m\u00e0i\u201d c\u0169ng bao h\u00e0m vi\u1ec7c m\u00f4 t\u1ea3 m\u1ed9t h\u00ecnh d\u1ea1ng m\u00e0 kim c\u01b0\u01a1ng \u0111\u01b0\u1ee3c ch\u1ebf t\u00e1c. H\u00ecnh d\u1ea1ng kh\u00e1c v\u1edbi d\u1ea1ng tr\u00f2n gi\u00e1c c\u00fac r\u1ef1c r\u1ee1 ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cfancy cut \u2013 d\u1ea1ng c\u1eaft kh\u00e1c\u201d. \u0110\u00f4i khi ch\u00fang \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cfancy shape or fancy\u201d. H\u00ecnh d\u1ea1ng kh\u00e1c c\u0169ng c\u00f3 t\u00ean c\u1ee7a ri\u00eang n\u00f3, d\u1ef1a tr\u00ean h\u00ecnh d\u1ea1ng c\u1ee7a ch\u00fang. Nh\u1eefng d\u1ea1ng \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn nhi\u1ec1u nh\u1ea5t l\u00e0 marquise \u2013 h\u1ea1t d\u01b0a, princess \u2013 h\u00ecnh vu\u00f4ng, pear \u2013 gi\u1ecdt n\u01b0\u1edbc, oval \u2013 h\u00ecnh b\u1ea7u d\u1ee5c, heart \u2013 tr\u00e1i tim v\u00e0 emerald \u2013 h\u00ecnh ch\u1eef nh\u1eadt v\u1ea1c g\u00f3c (emerald cut).<\/p>\n

\"\"

Nh\u1eefng vi\u00ean kim c\u01b0\u01a1ng c\u00f3 h\u00ecnh d\u1ea1ng l\u1ea1 m\u1eaft, c\u00f9ng v\u1edbi nh\u1eefng vi\u00ean kim c\u01b0\u01a1ng tr\u00f2n c\u1ed5 \u0111i\u1ec3n, l\u00e0 nh\u1eefng l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn c\u1ee7a ng\u01b0\u1eddi ti\u00eau d\u00f9ng trang s\u1ee9c hi\u1ec7n nay. Kim c\u01b0\u01a1ng thu\u1ed9c s\u1edf h\u1eefu c\u1ee7a Lazare Kaplan Diamonds.<\/p><\/div>\n

Ngu\u1ed3n: GIA<\/em><\/p>\n

Nh\u1eefng b\u00e0i vi\u1ebft li\u00ean quan:<\/p>\n

C\u00c1C Y\u1ebeU T\u1ed0 CH\u1ea4T L\u01af\u1ee2NG C\u1ee6A KIM C\u01af\u01a0NG - PH\u1ea6N 1<\/a><\/p>\n

C\u00c1C Y\u1ebeU T\u1ed0 CH\u1ea4T L\u01af\u1ee2NG C\u1ee6A KIM C\u01af\u01a0NG - PH\u1ea6N 2<\/a><\/p>\n

C\u00c1C Y\u1ebeU T\u1ed0 CH\u1ea4T L\u01af\u1ee2NG C\u1ee6A KIM C\u01af\u01a0NG - PH\u1ea6N 4<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

CUT – C\u1eaeT M\u00c0I M\u1ed9t vi\u00ean Kim c\u01b0\u01a1ng th\u00e0nh ph\u1ea9m \u0111\u1eb9p th\u00ec chi\u1ebfu s\u00e1ng r\u1ef1c r\u1ee1. M\u1ecdi m\u1eb7t gi\u00e1c \u0111\u1ec1u cho th\u1ea5y k\u1ef9 n\u0103ng v\u00e0 s\u1ef1 ch\u0103m ch\u00fat t\u1ec9 m\u1ec9 c\u1ee7a ng\u01b0\u1eddi th\u1ee3 c\u1eaft m\u00e0i. Khi m\u1ed9t vi\u00ean kim c\u01b0\u01a1ng…<\/p>\n","protected":false},"author":4,"featured_media":3297,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[63,41],"tags":[],"yst_prominent_words":[],"class_list":["post-4531","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chia-se-kien-thuc","category-kien-thuc-da-quy"],"_links":{"self":[{"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/posts\/4531","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/comments?post=4531"}],"version-history":[{"count":21,"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/posts\/4531\/revisions"}],"predecessor-version":[{"id":6640,"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/posts\/4531\/revisions\/6640"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/media\/3297"}],"wp:attachment":[{"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/media?parent=4531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/categories?post=4531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/tags?post=4531"},{"taxonomy":"yst_prominent_words","embeddable":true,"href":"https:\/\/trangdoan.vn\/kythuatkimhoan\/wp-json\/wp\/v2\/yst_prominent_words?post=4531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}