Sterling Silver Womens Round Lab-Created Blue Sapphire Stud Earrings 1-1/2 CttwMetal Type Sterling Silver Item Number 10092 Style Studs Carats Total Weight * 1 & 1 2 Ct. t. w. Center Solitaire Weight 1 & 1 3 carats Primary Gem Type Lab Blue Sapphire Primary Gem Shape Round Primary Gem Color Clarity Blue Flawless Gem 2 Type Diamond Gem 2 Shape Round Gem 2 Color Clarity G H I2 I3 Length 7. 1 mm ( . 28 inches ) Width 7. 1 mm (. 28 inches ) Gram Weight 1. 19 grams (approximately) * Combined gemstone weight of 1 & 1 2 carats total