Change Language:
Back to gem encyclopedia
Fancy Color Diamond
Dazzling brilliance. Captivating color. The planet’s most valued gems are fancy color diamonds.
Tools
Article
2019 in Review: Diamond Trade Begins Recovery, Jewelry Retail Blooms Late, Extraordinary Auction Sales
2019: A year of ups and downs in the gem and jewelry industry, including diamonds, retail, auction sales and laboratory-grown diamonds.
Read More
Article
Gems & Gemology’s 7 Most Unusual Encounters from 2019
Check out some of the most interesting and unusual diamonds and colored stones submitted to GIA’s laboratories in 2019.
Read More
Article
Diamond Market in Recovery, Top-end Auction Results
World’s two largest diamond producers say market is stabilizing after several months of severe cutbacks in rough sales. Christie’s and Sotheby’s sales.
Read More
Article
Why are Pink Diamonds Pink? GIA Researchers Dive Deep into their Crystal Structure
GIA researchers analyzed more than 90,000 natural pink diamonds to better understand how these rare and beautiful diamonds formed and got their color.
Read More
Article
Bullish Predictions for 2019 Holiday Sales Despite Concerns, Sotheby’s Hong Kong Auction Sales
U.S. holiday sales predictions are better than expected. Sotheby’s Hong Kong auction features a 100 ct yellow diamond necklace by GIA alumna Anna Hu.
Read More
Article
A Tropical Paradise of Ocean-Inspired Jewelry and Gemstones
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.
Read More
Article
Bank Suspends Credit for ‘Unprofitable’ Rough Diamonds
De Beers and Alrosa slashed rough diamond sales after ABN AMRO’s says it will no longer finance rough purchases for goods that can’t be cut profitably.
Read More
Article
Spring 2019 Auctions: Premium Prices for Historic Pieces
Gemstones and jewels with historical provenance are bringing the best prices at the spring 2019 auctions.
Read More
Article
Headwinds Slow 2019 Vegas Business, Lab-grown Diamonds Proliferate
Decent demand for finished jewelry, but less for loose gems. Plus: Lab-grown diamonds and responsible, sustainable business practices.
Read More
Article
Trade Hopes for a Bright 2019 Vegas Show
All eyes are on the upcoming jewelry sales events in the U.S. – the Luxury and JCK shows in Las Vegas – as business slows in other parts of the world.
Read More
This Month's
