Tanzanite D Block

Fabulous deep blue and rich purple AAAA/Block D 7.56 ctw Tanzanite and 1.00 ctw diamond platinum cocktail ring.

This stone is from the famed, legendary, and no longer mined D-Block - not a newer, inferior stone from the subsequent blocks.

Beautiful cocktail ring featuring a 6.50 ctw cushion cut Tanzanite. The Tanzanite shows both dazzling blue and rich purple colors with flashes of red and is surrounded with 1.10 ctw...

D-Block Tanzanite: A Stunning Diamond Ring This ring highlights the unique beauty of a 7.356-carat pear-shaped tanzanite from the renowned D-block mines in Tanzania.

GIA 13.56CT Natural Tanzanite Excellent Octagonal Modified brilliant cut Clean VS Clarity Best color D-Block Classic GIA "Violetish Blue" Measures: 15.09 X 11.35 X 9.10 mm D...

This stunning ring features a vibrant AAA Tanzanite with purple and red flashes set in 14K white gold with marquise diamond accents. This cocktail ring makes for a stunning accessory...

Referred too as 'Block D' type in the trade it has superb saturation and depth of colour.

Large Gem Quality 10 ct. Tanzanite (probably D-Block. - the finest of the mines in Tanzania ) surrounded by fine white brilliant cut diamonds.

Gemstone: Natural AAA Tanzanite Weight: 4.39 carats Size (L x W x D): 9.0 x 9.0 x 5.5 mm Cut/Shape: Trillian Brilliant [Fancy] Cut Color: Lavender Origin: D-Block Mine, Merelan...

The miniature Tanzanite is from the D block mining area in Merelani Hills, It has never been professionally prepared or cleaned and looks just the way it did when we bought it from t...

You may see many light purple tanzanite in commercial sellers, but this is what's referred to as rich "D" block tanzanite, is only found in one place near the majestic mountain Kilim...

Well matched 6 x 8 mm oval rose-cut bright green emeralds are set in "line textured" artisan fabricated 18K gold bezels as posts above LARGE 9 x 18 mm similarly set rose cuts below. ...

This chic BULGARI cocktail ring features an exceptional 5.79 carat AGL certified Colombian emerald and a GIA certified 7.25 carat square emerlad-cut diamond of E color and VS1 clarit...

Dating from the 1980s, these Van Cleef & Arpels earrings are composed of Tahitian and South Sea pearls, 18K gold, and over 12 carats of diamonds. Each is designed as a Tahitian pearl...

Stunning cushion shaped emerald studs. 9.95 carats of emeralds. 1.92 carats of white round brilliant cut diamonds. 18k white gold. Certified by Christian Dunaigre of Switzer...

GIA Certified 7.35 Carat Natural Unheated Pink Sapphire and Diamond Ring in Platinum Sapphire and Diamond Ring features a large Cushion Cut Purplish Pink Sapphire surrounded by 22 R...

An exceptional and rare 15 carat natural sapphire, certified by SSEF (Swiss Gemmological Institute), set in a refined diamond mounting The sapphire displays a rich, vibrant blue wi...

The Following Item we are offering is this Beautiful Rare Important Platinum Large Glittering Fancy Large Diamond Ring. Ring is comprised of a Large GIA Certified 5.01 F Color VVS2 D...

A refined 5.05 carat cushion cut blue green tourmaline loose gemstone, offered unmounted and brand new by Tamir for Merkaba Jewelry Beverly Hills. Vivid and sophisticated, this tourm...

This sapphire gemstone is a striking example of one of the world’s most revered precious stones, valued for both beauty and durability. Featuring an eye-clean clarity, the gem displa...

A breathtaking platinum cocktail ring featuring an 8.20-carat GIA certified Zambian emerald-cut emerald, radiating a rich and vibrant green hue. The centerpiece is gracefully surroun...

A beautiful Ring set in Platinum featuring a GIA Certified 2.97 Carat Natural Siam (Thailand) Ruby and 1.73 Carat Diamonds. Rubies are referred to as "Ratnaraj" in Sanskrit meaning t...

An exceptionally rare GIA Certified 10.94 carat Kashmir sapphire takes center stage in this magnificent jewel. The sapphire is of natural origin, with no indications of heating (NTE)...