0.45 Cts of 6x4 mm AAA Oval Tanzanite Solitaire Pendant in Platinum Timeless pendant to go with any outfit. The solitaire pendant has the finest AAA quality oval Tanzanite prong-set in Platinum. Tanzanite is a purple-blue colored gem found in Tanzania, it resembles the more expensive Blue Sapphire. Tanzanite is the December Birthstone. 18K White Gold Chain Included 30 Day No questions asked Return Policy Free-Shipping within US December Birthstone/Anniversary/Birthday Gift