June 30, 2019

Christie’s Auction Nets $109M

New York—Christie’s sale of historic Indian jewelry and art was expected to be big, and it did not disappoint. The auction netted a whopping $109.3 million […]
May 23, 2019

Tahitian Pearls: Beautiful Black Pearls

A Brief History of Tahitian Pearls Native Tahitians collected natural pearls from the black-lipped pearl mollusk, Pinctada margaritifera, for many generations prior to Spanish and English involvement. Some […]
April 14, 2019

Diamond with Ties to the French Royal Family Just Recovered

A 40-Carat Diamond Ring with Ties to the French Royal Family Was Just Recovered by Police in Paris. The piece, which has ties to Napoleon III, had […]
March 1, 2019

Opal: A brief introduction

Geologically speaking, precious opal is a rare find. With so few localities producing gem-quality opal, scientists have had some trouble understanding exactly how this material develops. […]
July 25, 2018

PERIDOT: August’s green birthstone

November 21, 2017

December’s Birthstone: TANZANITE & TURQUOISE

TANZANITE Tanzanite is the blue to violet to purple variety of the mineral zoisite. It is mined commercially only in one area of the world: the […]
October 21, 2017

November’s Birthstone: CITRINE & TOPAZ

CITRINE People have used quartz in jewelry for thousands of years. Egyptians gathered ornately striped agates from the shore and used them as talismans, the ancient […]
September 21, 2017

October’s Birthstone: OPAL & TOURMALINE

OPAL Opal is the product of seasonal rains that drenched dry ground in regions such as Australia’s semi-desert “outback.” The showers soaked deep into ancient underground […]
August 21, 2017

September’s Birthstone: SAPPHIRE

Blue sapphire belongs to the mineral species corundum. It can be a pure blue but ranges from greenish blue to violetish blue. The name “sapphire” can […]