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Fake green rough diamond
GIA Exposes Rough Diamond with Fake Green Color
Manufacturers coated a rough diamond with a green substance to imitate a natural color, the Gemological Institute of America (GIA)
News Aug 19, 2019 Rapaport News
Rio Tinto Argyle pink tender 2019
Rio Tinto Unveils Roster of Pink Diamonds
Rio Tinto has launched what’s likely to be one of its last annual pink-diamond tenders, as the company gears
News Jul 14, 2019 Rapaport News
GIA
GIA Offers Origin Reports for Colored Diamonds
The Gemological Institute of America (GIA) will offer provenance reports for colored diamonds, expanding its existing
News Jun 02, 2019 Rapaport News
Sotheby's pink Geneva Nov 2018
Colored Diamonds Lead $60M Sotheby’s Sale
Sotheby’s garnered $59.9 million at its Geneva auction last week as a 21.19-carat pink diamond smashed its estimate
News Nov 18, 2018 Rapaport News
Fancy Color
Prices Rise for Pink and Blue Diamonds
Pink and blue fancy-color diamonds saw price increases in the third quarter, while yellows dipped, according
News Nov 01, 2018 Rapaport News
Juliet pink diamond
Dealer Holding $30M Diamond ‘Hostage,’ Lawsuit Says
New York-based Global Diamond Group has refused to return a 30-carat pink diamond in an attempt to force the stone’s
News Jun 18, 2018 Rapaport News
12 trends of 2017
The Industry’s Top 12 Trends for 2018
Trend forecasting is equal parts science and art — you need to be widely aware of key happenings in your industry,
News Jan 30, 2018 Jennifer Heebner
Christies Blue Diamond 150 12072017
Graff Blue Diamond Ring Fetches $13M
A ring featuring two fancy vivid blue diamonds by Graff Diamonds smashed its pre-sale estimate at Christie’s Magnificent
News Dec 07, 2017 Rapaport News
Sothebys 150 120617
Blue Diamond Sells for $15M at Sotheby’s New York
Sotheby’s sold $54 million worth of jewelry at its New York auction on Tuesday as several pieces containing rare
News Dec 06, 2017 Rapaport News
Pink Promise
Christie’s Hong Kong Sells Pink Diamond for $32M
A pink diamond ring fetched $32 million (HKD 250 million) at a Christie’s auction in Hong Kong, less than
News Nov 29, 2017 Rapaport News
Yellow diamonds Bonhams Nov 2017
Historic Yellow Diamonds Up for Auction
Five storied fancy vivid yellow diamonds with a historical connection to the Cullinan family will go under the
News Nov 20, 2017 Rapaport News
Petra 26ct Blue Jan 2014
Blue Diamond Scarcity Drives Price Rise
Blue diamond prices climbed in the third quarter due to lower supply, according to the Fancy Color Research
News Nov 07, 2017 Rapaport News
Christie's Pink Promise
Christie’s Expects Up to $42M for Pink Diamond
A fancy vivid pink diamond will officially be the most expensive piece of jewelry Christie’s Hong Kong has
News Nov 01, 2017 Rapaport News
Kimberley Red Argyle
Red Argyle Diamond to Appear at Taiwan Show
A rare, fancy red diamond from the Argyle mine in Australia will go on display at the Taiwan Jewellery &
News Oct 30, 2017 Rapaport News
Alrosa 37ct yellow
Alrosa Finds 34ct. Yellow Diamond
Alrosa has recovered a 34.17-carat fancy vivid yellow rough diamond in northeastern Russia, the miner’s largest fancy-colored
News Oct 22, 2017 Rapaport News
Sothebys fancy deep blue diamond HK Sept 2017
Blue Diamond to Shine at Sotheby’s Hong Kong
A rare blue diamond ring will lead Sotheby’s Magnificent Jewels & Jadeite auction in Hong Kong on Tuesday,
News Oct 01, 2017 Rapaport News
Bonhams 10.28 ct Marquise
Jewelry Overtakes Cars as Investment Prospect
Jewelry has zoomed ahead of cars in Knight Frank’s Luxury Investment Index, as appetite for modern pieces has
News Sep 27, 2017 Rapaport News
Barbara Wheat AIGS
Colored-Diamond Group Expands into Asia
The Natural Color Diamond Association (NCDIA) has formed an affiliation with an Asian gemological organization in an attempt to extend
News Sep 25, 2017 Rapaport News
Alrosa pink Sept 2017
Alrosa Expects Big Pay Day from Pink Diamond
Alrosa has recovered the largest pink rough diamond in its history, and said it could fetch a record
News Sep 24, 2017 Rapaport News
Bonhams 4.03ct. blue diamond
Bonhams to Auction 4.03ct. Blue Diamond
A fancy intense blue diamond will lead Bonhams’ London auction next month, with the company estimating
News Aug 21, 2017 Rapaport News
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