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G&G Winter 2019 Cover
《宝石与宝石学》(Gems & Gemology) 2019 年冬季刊:地理原产地特刊

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This GIA-graded Fancy Deep blue 7.03 ct diamond from London jeweler Moussaieff drew a top bid of $11.6 million ($1.65 million per carat) at Christies Nov. 12 Geneva auction. Photo courtesy of Christie's Images Ltd.
钻石市场复苏,高端拍卖结果

世界两大钻石生产商表示,钻石原石销售经过几个月的严重下滑后,目前市场开始企稳。

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Anna Hu’s necklace design features a 100.02 cushion-shaped Fancy Intense yellow diamond showcased in the shape of a Chinese musical instrument – Dunhuang pipa – and embellished with variously shaped and brilliant-cut diamonds mounted in 18K white and yellow gold. The pipa can be detached and worn as a pendant/brooch. It sold for $5,780,056. Photo by Michael Oldford. Courtesy of Sotheby’s
虽顾虑尚存,2019 假日销售额仍然看好;苏富比香港拍卖会

美国假日销售额预测看好。GIA 校友作品亮相苏富比香港拍卖会。

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Operations at Alrosa’s Lomonosov deposit in Western Russia. Alrosa, along with De Beers, has drastically reduces sales of rough diamonds to deal with the supply overhang. Photo Russell Shor/GIA
美国消费者依然信心十足;冲积钻石跟踪与非法黄金

美国消费者信心十足,阻止了可能出现的经济衰退。

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GIA researchers respond to rapidly changing gem treatment and synthesis technologies with cutting edge technology and analyze gems from known sources. Their work deepens the world’s understanding of how gems are formed, extracted, manufactured and sold. A group photo from a 2018 GIA research team meeting. Photo by Eric Welch/GIA
Guardians of Trust: GIA’s Innovative Research, Instruments and Services

GIA’s services, instruments address new treatments and laboratory-grown gems as they enter the market.

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A 17 mm baroque Tahitian cultured pearl is the focal point of this whimsical octopus brooch set in black-plated 18K gold. The brooch features 374 black, 26 yellow and 169 white diamonds. Courtesy of Ron Greenidge and Emiko Pearls International. Photo by Robert Weldon/GIA
热带天堂:灵感源自海洋的珠宝和宝石

让这些在海中形成的珠宝带您进入梦想中的暖水海洋天堂,感受海洋的气息。

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