"The stud earrings pictured are lab created blue sapphire #5926 -Approximate total carat weight: .50ctw -Center Stone Size: 4mm - approx. .25ct each diamond equivalent -Gem Type: lab created sapphire -Stone Shape: round -Stone Clarity: VS2 -Stone Color: Blue - Shown in friction backs -Metal Type and Purity: 14k white gold -Setting: 4 prong basket style -Backing: Friction back (earring backs are subject to change due to availability) -Country of Manufacturing: USA (Michigan) For customization ple Blue Brilliant Cut Earrings For Anniversary, Classic Blue Sapphire Earrings, Blue Lab-created Sapphire Round Cut Earrings, Classic Blue Lab-created Sapphire Earrings, Blue Sterling Silver Earrings With Brilliant Cut, Blue Sapphire Earrings For Anniversary, Blue Earrings With Prong Setting For Anniversary, Classic Sapphire Earrings For Anniversary, Brilliant Cut Sapphire Earrings For Anniversary