Out of respect for Her Late Majesty Queen Elizabeth II, the Lab will be closed on Monday 19th September.
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Fancy Colour Diamond

Fancy Colour Diamond Dazzling brilliance. Captivating color. The planet’s most valued gems are fancy color diamonds. Fancy Colour Diamond Description Diamonds in the normal color …

Diamond

Diamonds Diamonds are among nature’s most precious and beautiful creations. Diamonds Description Diamond’s characteristic chemical composition and crystal structure make it a unique member of …

Zircon

Zircon Zircon is a colorful gem with high refraction and fire that’s unfairly confused with cubic zirconia. Zircon Description Colorless zircon is well known for …

Turquoise

Turquoise Azure sky, robin’s egg blue: Vivid shades of turquoise define the color that’s named after this gem. Turquoise Description Turquoise is found in only …

Tourmaline

Tourmaline Tourmalines have a wide variety of exciting colors with one of the widest color ranges of any gem Tourmaline Description Tourmalines come in a …

Topaz

Topaz Honey yellow. Fiery orange. Cyclamen pink. Icy blue. In warm or cool tones, topaz is a lustrous and brilliant gem. Topaz Description Many consumers …

Tanzanite

Tanzanite Poised between lush blue, vibrant violet, and rich purple, exotic tanzanite is found in only one place on earth, near majestic Mount Kilimanjaro. Tanzanite …

Sunstone

Sunstone Sunstone’s phenomenal varieties show a distinct and lively glitter called aventurescence. Sunstone Description Gem connoisseurs and innovative jewelry designers often seek the subtle beauty …

Spinel

Spinel The Black Prince’s Ruby. The Timur Ruby. For centuries, spinel, the great imposter, masqueraded as ruby in Europe’s crown jewels. Spinel Description Spinel, like …

Sapphire

Sapphire The name “sapphire” can also apply to any corundum that’s not ruby red, another corundum variety. Sapphire Description Blue sapphire belongs to the mineral …