Article Search Results

Types

Articles (254)

Content Type

Lab Notes (46) Gem News International (61) Reviews (3) Abstract (7) Feature (7)

Reviewed

Peer Reviewed (45)

Topics

Colour (19) Optical Properties (10) Cut (5) Grading (3) See All Topics

Gemstones

Ruby (254)

XClear Selections

Article

G&G Announces Most Valuable Article Awards

The G&G Staff, May 12, 2020

G&G announces the winners of the Dr Edward J. Gübelin Most Valuable Article Awards for 2019.

Man stands in front of an audience giving a lecture – projection screen with image to his right.

Article

Not All That Glitters is Gold — Sometimes it is Mozambican Rubies

Phoebe Shang, March 9, 2020

Learn about Mozambican rubies, including their mining history, characteristics and market demand.

Article

Coronavirus May Cut Chinese Demand; Diamond Companies See Better Times

Russell Shor, February 10, 2020

The economic impact of the coronavirus in mainland China and Hong Kong. Plus, an update on the diamond market and gold jewellery.

Two people walk past a Kay Jewelers storefront.

Article

Jewellery Sales Show Modest Rise; Higher End Soars

Russell Shor, January 10, 2020

US Christmas jewellery sales increased slightly from 2018. Online buying surged, while foot traffic in retail stores slowed.

A face-up view of a cushion cut diamond with blue color.

Article

Gems & Gemology’s 7 Most Unusual Encounters from 2019

Stuart Overlin, Brooke Goedert and Kellie Giordano, December 13, 2019

Check out some of the most interesting and unusual diamonds and coloured stones submitted to GIA’s laboratories in 2019.

A large group of people outside on GIA’s Carlsbad, California campus.

Article

Guardians of Trust: GIA’s Innovative Research, Instruments and Services

Russell Shor, September 20, 2019

GIA’s services and instruments have grown in importance and impact as new gem treatments and laboratory-grown gems have entered the market.

The octopus head is a baroque Tahitian cultured pearl and its arms are made of black, yellow and white diamond (in a striped pattern) set in black-plated 18K gold.

Article

A Tropical Paradise of Ocean-Inspired Jewellery and Gemstones

Sharon Bohannon, August 9, 2019

Escape to a warm-water paradise in your mind with these jewels that formed in the sea, are inspired by marine life and evoke the ocean’s essence.

Article

Jewels of Hollywood: Accessories and Jewellery that Made the Stars Shine

Amanda J. Luke, July 19, 2019

“Jewels of Hollywood”, on loan from the Kazanjian Foundation, showcases some of the jewellery and accessories associated with Hollywood royalty.

A ruby and diamond choker. The centre section is made of six strands of red pearls, framed by rubies and diamonds.

Article

Mughal Jewels Auction: Al-Thani Collection Raises $109 Million (£87.5 Million)

Russell Shor, July 16, 2019

Collectors from around the world descended on Christie's Maharajas & Mughal Magnificence auction of the jewels from the Al-Thani Collection on 19 June.

Looking down the crystal axis of a back-lit 58.83 ct trapiche emerald

Article

Emerald: The Superstar of Trapiche Gemstones

Sharon Bohannon, May 17, 2019

Trapiche emeralds, which display a distinct six-spoke wheel pattern, set the standard as some of the finest and most spectacular crystals ever unearthed.

Article Search Results

Types

Content Type

Reviewed

Topics

Topics

Gemstones

Find a Retailer

Visit the campus shop

Subscribe to Knowledge Rocks Emails

G&G Spring 2021 Edition