You are looking at a 20.5 mm Zultanite™ Cabochon Round Cut, II = Intentionally Included. 
Weight: 48.12 carats.  (Item # D00049)

This gemstone will be shipped via USPS Priority Mail. It comes in a stylish gem container with the Zultanite® Authenticity Certificate attached. 

Important: Inclusions in our Cabochons are intentionally to show the chatoyancy effect. 
Zultanite is pleochroic, meaning different colors are visible by viewing the gemstone from different directions and under different light sources. Because of this phenomenon it is difficult to photograph Zultanite. So the colors you see in the images may look like pictured but are not guaranteed. 

South Carolina residents need to pay 6% sales tax.
Note for International buyers: Import duties, taxes and other import related charges are not included.
Size Conversion Education: 1.0 mm equals 1/25th (0.04) of an inch. So the diameter of this Cabochon Round Cut is about 0.81".

This genuine Zultanite comes with a Certificate of Authenticity from Zultanite Gems LLC  - The people who discovered the mine in Turkey in September 2005! 

We have over 600 pieces of loose faceted cut Zultanite™ in our inventory! If you cannot find your shape and size on eBay please contact us.

Things you should know about Zultanite: 

NATURAL: Zultanite is 100% natural. No treatments were used to enhance this gorgeous gem.
RARE: Zultanite is so rare, that few have had the pleasure to behold its exotic beauty. Only one mine produces genuine Zultanite, in the remote mountain area of Anatolia, Turkey.
PHENOMENAL: Watch the colors subtly changes under different light sources.
PRECIOUS: After expert cutting, polished Zultanite weighs only about 3% of the original rough. Gems over 3 carats are exceptional.
RESPONSIBLE: Genuine Zultanite is recovered with ethical mining techniques with safe procedures that protect the ecosystem: Water sources from chemicals, debris, rubbish, silt and other pollutants; minimize the destruction of flora and fauna; restore mined land as close as possible to its original condition and strongly oppose unfair labor practices by paying our employees well and provide safe working environments.

IMPORTANT: Beware of counterfeits and imitations! The long and dependable reputation that has been built up by cutting Zultanite gemstones to their highest quality standards has tempted imitators and counterfeiters. There is inferior material out there that has no claim to be called or branded Zultanite(R).