When rubies contain needle-like rutile inclusions, called silk, and are cut as cabochons, they can sometimes display six-rayed stars. The most desirable star rubies are transparent to translucent with rich, saturated red to slightly purplish red color and a sharp, centered star.
In his element.
World-renowned gem hunter Don Kogen holds the 181-carat KAT Florence Lumina—a flawless Paraiba tourmaline of unmatched rarity.
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In his element.
World-renowned gem hunter Don Kogen holds the 181-carat KAT Florence Lumina—a flawless Paraiba tourmaline of unmatched rarity.
This moment captures the heart of what we do: seek the extraordinary, and create with intention. now live at https://t.co/Ia17Li6EPz
Once owned by Henry Philip Hope (owner of the Hope diamond), the Hope Spinel is a 50.13 carat spinel thought to be from the Kuh-i-Lal mines in Tajikistan where other famous red spinels, like the Black Prince's "Ruby", are said to have been mined. Photo: Max Cisotti/Getty Images
D-coloured and internally flawless Diamonds are set in each Kat Florence piece. I select only the finest Diamonds to surround my legacy jewels. A respect to the rare beautiful jewel and to my passionate clients. https://t.co/pOSKiRuUdw
These natural colored diamonds from the Argyle mine include a Fancy purplish red oval, a Fancy Dark gray-violet shield cut, a Fancy Vivid purplish pink emerald cut and a Fancy purplish red emerald cut. GIA recognizes 27 hues for colored diamonds. Courtesy: Argyle Diamond
The only Sugarloaf cut Tokovoya Russian Emerald I have ever seen. Originally 23 carats and now after cutting, 10 carats exactly with 3 carats of D Flawless graded Diamonds. https://t.co/zoURFxC0fA