Welcome To De Super Diamond India LLP. 6.20 Ct Natural Blue Sapphire No Heat - YouTube. Why De Super Diamond India LLP? Located in the heart of gemstones market of India, Super Diamond started its long journey forma very humble beginning in the 1980s. Our clients in Mumbai & Jaipur have business relations with UK, US, Europe and many more.Your feedback is very important for us. The item "6.20 Ct Top Grade GII Certified No Heat Rare Natural Blue Sapphire Sri-Lanka Gem" is in sale since Thursday, February 15, 2018. This item is in the category "Jewelry & Watches\Loose Diamonds & Gemstones\Loose Gemstones\Sapphire\Natural Sapphires". The seller is "superdiamond_gems" and is located in MUMBAI, MAHARASHTRA. This item can be shipped worldwide.