Shop › Lab grown blue Opal sterling silver stud earrings Image 1 of 3 Image 2 of 3 Image 3 of 3 Lab grown blue Opal sterling silver stud earrings $14.00 Blue Opal (man made) round sterling silver stud earrings. Studs measure 4.5mm Quantity: Add To Cart Added! Blue Opal (man made) round sterling silver stud earrings. Studs measure 4.5mm Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like Garnet gold filled studs $45.00 White Buffalo Turquoise sterling silver stud earrings $45.00 Agate slice gold earrings $38.00 Denim Lapis heart sterling silver stud earrings $16.00 Pink Spiny Oyster Turquoise gold studs $55.00