Back to gem encyclopedia

Fancy Color Diamond

Dazzling brilliance. Captivating color. The planet’s most valued gems are fancy color diamonds.

See gem as
Polished
Rough

Tools

Research

A rectangular cut Fancy Deep blue diamond is framed by two pear shaped diamonds.

Article

Diamond Market in Recovery, Top-end Auction Results

Russell Shor, November 19, 2019

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.

A row of various shaped cut and polished pink diamonds.

Article

Why are Pink Diamonds Pink? GIA Researchers Dive Deep into their Crystal Structure

Russell Shor, October 21, 2019

GIA researchers analyzed more than 90,000 natural pink diamonds to better understand how these rare and beautiful diamonds formed and got their color.

A diamond necklace that features a 100.02 Fancy Intense yellow diamond. The pendant is done in the shape of a musical instrument.

Article

Bullish Predictions for 2019 Holiday Sales Despite Concerns, Sotheby’s Hong Kong Auction Sales

Russell Shor, October 21, 2019

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.

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 Jewelry 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.

Six different shaped red and pink diamonds lined up in a row.

Article

Bank Suspends Credit for ‘Unprofitable’ Rough Diamonds

Russell Shor, July 22, 2019

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.

A wide choker-style necklace of a row of emeralds with rows of diamonds above and below the emeralds.

Article

Spring 2019 Auctions: Premium Prices for Historic Pieces

Russell Shor, June 14, 2019

Gemstones and jewels with historical provenance are bringing the best prices at the spring 2019 auctions.

People meet and mingle at the entrance to the JCK Show.

Article

Headwinds Slow 2019 Vegas Business, Lab-grown Diamonds Proliferate

Russell Shor, June 14, 2019

Decent demand for finished jewelry, but less for loose gems. Plus: Lab-grown diamonds and responsible, sustainable business practices.

The entrance to the GemGenève show featured a large graphic wall.

Article

Trade Hopes for a Bright 2019 Vegas Show

Russell Shor, May 21, 2019

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.

Article

Diamond Research Gives Clues to the Formation of the Continents

Karen V. Smit, April 25, 2019

Mineral inclusions trapped in diamonds reveal the continents’ construction – and helps GIA researchers date diamonds.

A model holds a large cut-corner square diamond with three fingers.

Article

De Beers Ups Supply, FTC Warns About ‘Eco’ Claims

Russell Shor, April 22, 2019

DeBeers responds to fluctuations, and the FTC issues warnings on laboratory-grown diamonds. Plus: 302.37 ct Graff Lesedi La Rona is revealed.

This Month's

Featured Gems

Peridot

Found in lava, meteorites, and deep in the earth’s mantle, yellow-green peridot is the extreme gem.

Fancy Color Diamond

Dazzling brilliance. Captivating color. These are the planet’s most valued gems.

Diamond

Diamonds are among nature’s most precious and beautiful creations.

Emerald

Emerald is the bluish green to green variety of beryl, a mineral species that includes aquamarine.

Citrine

Citrine is the transparent, pale yellow to brownish orange variety of quartz.

View the Gem Encyclopedia

Fancy Color Diamond

Research

Reviewed

Topics

Topics

Gemstones

Gemstones

Featured Gems

Peridot

Fancy Color Diamond

Diamond

Emerald

Citrine

Fancy Color Diamond

Research

Reviewed

Topics

Topics

Gemstones

Gemstones

Featured Gems

Peridot

Fancy Color Diamond

Diamond

Emerald

Citrine

You Might Also Like

Find a Retailer

Shop the Campus Store

Grading Promotions

G&G Fall 2019 Edition