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彩色宝石价值评估（预览）
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彩色宝石价值评估（预览）
1.
这些美丽彩色宝石价格如何评估？
2.
决定彩色宝石商业价值主要因素： 质量评价：宝石颜色、净度、切工质量 稀有性（可获得性）及市场需求
特殊的光学效果及内含物 出产地 历史文化价值，名人、名师附加价值及品牌效应 市场的变化等。
3.
彩色宝石质量体系举例： 颜色胶粒
4.
饱和度Saturation色彩的鲜艳程度, 1～6表示 色调Tone色彩的明亮程度，深浅程度，黑白程度，用2～8表示
5.
英国宝石学会(Gem-A): 红宝石和蓝宝石的价值因素(1)
6.
Burmese Blue Sapphire
Inclusion（ 100ct ）
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