Check out my other w. This is a one of a kind 20.59 Carat Natural Untreated Ceylon Sapphire. It exhibits a rare full color change from a magnificent deep blue to a Vivid Violet purple. The stone itself is very crystal and not somewhat opaque like many other sapphires. This comes with a AGL Certificate stating that the sapphire is natural with no treatments.The main stone is a 4 Carat Round F SI Diamond GIA Certiffied Diamond. There are also Two Marquise which are D Color and SI Clarity Diamonds Totaling 3.5 Carats. The pendant is Platinum and designed by my company Ben Dannie Inc. The entire pendant is accompanied. The item "20 Carat Natural Color Change Blue Sapphire and Diamond Pendant Custom GIA BIG" is in sale since Wednesday, February 20, 2013. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Necklaces & Pendants\Gemstone". The seller is "bendannie" and is located in Los Angeles, California. This item can be shipped to United States.