GIA Adds Fei Cui to Jade Reports: What is Fei Cui?

GIA Adds Fei Cui to Jade Reports: What is Fei Cui? Gary RoskinRoskin Gem News Report GIA Adds Fei Cui to Jade Reports: What is Fei...

GCAL By Sarine Launches New Grading Lab In Surat, India

GCAL By Sarine Launches New Grading Lab In Surat, India Sarine Technologies Ltd announced the expansion of the Gem Certification & Assurance Lab (GCAL) by...

GIA & IGI Offer 1-Day Verification Services

GIA & IGI Offer 1-Day Verification Services GIA and IGI to Offer Same-Day Report Verification Concerns over the increase in counterfeit GIA inscriptions has labs offering...

6-carat Synthetic/Created Diamond Submitted with Natural Report & Laser Inscription

6-carat Synthetic/Created Diamond Submitted with Natural Report & Laser Inscription Lab grown stone closely resembles GIA certified natural diamond IGI Global (January 2, 2024) - The...

More Diamond Counterfeit Inscriptions Encountered: Test Everything to be Sure

More Counterfeit Diamond Inscriptions Encountered: Test Everything to be Sure Gary RoskinRoskin Gem News Report In their press release from Monday, December 18, 2023, Gem-Tech Istituto...

Bahrain Institute for Pearls and Gemstones Attains ISO Accreditation for Gemmological Services

Bahrain Institute for Pearls and Gemstones Attains ISO Accreditation for Gemmological Services Press Release The Bahrain Institute for Pearls and Gemstones (DANAT) has earned prestigious international...

GIA’s Colored Stone Origin Determination Seminar

GIA's Colored Stone Origin Determination Seminar The Continuing Education division of GIA's Alumni Collective is now offering new self-paced continuing education seminars on Ruby, Sapphire,...

Colors K thru Z: Reading a GIA Diamond Grading Report

Colors K thru Z: Reading a GIA Diamond Grading Report Gary RoskinRoskin Gem News Report In looking through the Sotheby’s catalogue for November's Magnificent Jewels auction...

Magnificent Jewels Including the Bleu Royal

Magnificent Jewels Including the Bleu Royal Gary RoskinRoskin Gem News Report Christie’s Magnificent Jewels auction at the Four Seasons Hotel des Bergues in Geneva features a...

GIA Diving In: Adds ‘Hanadama’ Quality Range

Hanadama, the Grade for Top Quality Akoya Cultured Pearls Gary Roskin - Roskin Gem News Report - Hanadama, the Grade for Top Quality Akoya Cultured...

Sri Lanka or Madagascar? Blue Sapphire

Sri Lanka or Madagascar? Blue Sapphire Lotus Gemology Sri Lanka or Madagascar? Many clients have asked why some of their blue sapphires get a Sri Lankan origin...

Sotheby’s Hong Kong: Magnificent?

Sotheby's Hong Kong: Magnificent? "This Autumn Sotheby’s presents Magnificent Jewels I, featuring an exquisite collection of signed jewels, from an Art Deco Cartier Tutti Frutti...

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Rio Tinto unveils iconic A$6 million Argyle Pink Diamonds ring

Rio Tinto has unveiled its first significant Argyle Pink Diamonds jewellery piece since the closure of the iconic Argyle mine in Western Australia: the...