Roskin Gem News Report

Diamonds: Natural vs. Synthetic By Gary Roskin What was once considered impossible is now a reality; Synthetic gem quality diamonds are here, they are affordable, and...

New and additional criteria to detect low-T heated pink sapphires applied by SSEF In the Swiss Gemmological Institute SSEF's newsletter last week, new and additional...

Sotheby's: Magnificent Jewels 1 Here's just a quick look at a few of the magnificent jewels from the Magnificent Jewels I live auction in Hong...

a Kaleidoscope of Colors  This Jewelry Offers a Kaleidoscope of Colors to Brighten Any Look Let your true colors shine through. By CURATED BY JILL NEWMAN  Tap here to...

MUZO: Inside the emerald mines that make Colombia a global giant of the green gem MUZO, Colombia — Although he has helped transform Colombia's emerald...

Their world was the oyster: Oldest pearl town found in UAE By JON GAMBRELLAssociated PressMarch 20, 2023 Archaeologists say they have found the oldest pearling town...

AIGS Launches Jedi Spinel Grading Reports by Julius Zheng The neon hot pink to red spinels from Myanmar have increasingly gained popularity in Asian markets in...

Nature’s Majesty Meets Bvlgari’s Savoir Faire A remarkable creation from the Bvlgari High Jewelry Collection Jewels & Jadeite Auction - Phillips, Hong KongAuction 23 May 2023...

The Association for the Study of Jewelry & Related Arts (ASJRA) has set the theme for its 18th annual conference: "Iconic Jewelry Firms." Held virtually...

The Unmissable Jewellery Design at TEFAF Maastricht 2023 Discover exquisite jewellery at TEFAF Maastricht 2023 from Didier, Hemmerle and Van Cleef & Arpels BY HANNAH SILVER TEFAF Maastricht...

The Dragon Garnet by Gary Roskin, exclusive for the Roskin Gem News Report Dragon Garnet So, what is Dragon Garnet? What is it? Basically, Dragon Garnet is a Malaya...

Color Enhancement in Ruby has SGL Seeing Red by Bear Williams, Stone Group Labs (SGL) RUBIES are typically sent into professional gem labs for Identification...

A Canary in the Ruby Mine by E. Billie Hughes and Wim Vertriest Low-Temperature Heat Treatment Experiments on Burmese Ruby Detection of low temperature heat treatment in...

Romance & Power - the Graff Infinity Tiara By Nina Hald & Gary Roskin Graff Diamonds may celebrate a classic, romantic feminine expression with colorless diamonds...

AMNH Gem Hall wins Design Award After four years of renovation, Ralph Appelbaum Associates have completed the transformation of the American Museum of Natural History’s...

Country of Origin - 3 Countries for 1 Sapphire What does it mean when a sapphire receives 3 Country of Origin reports and each country...

Sotheby's - catching up on some beauties! Sotheby’s Hong Kong Magnificent Jewels I on October 7th, 2022, was quite the auction for impressive gems. Just...

The Auction Market - Rapaport The Auction Market Is Becoming Harder to Forecast by Anthony Demarco For the past 15 years, momentous events — including wars,...

Ethical Gem Fair: We See Progress Ethical Gem Fair Tucson: We had a chance to visit the fair and not a surprise, it was genuinely heartwarming...

New Spinel Treatment: Nickel Diffusion Scientists at the GIA laboratory in New York City recently discovered spinel, treated by nickel diffusion, in a parcel of...

from Gemworld International: Padparadscha Among these “fancy sapphires,” padparadscha, the delicate pure pink-orange variety, is the most popular and arguably the rarest. Prominent corundum varieties ruby...