These stunning stud earrings boast beautiful oval cut Swiss blue topaz stones in a prong setting. Set in 9 carat white gold, these studs are small in size but big on impact. Add a dash of colour to your outfit with these blue topaz earrings. Size: 6.4 x 12.7 mm (0.25 x 0.5 in). Material: White Gold. Total metal weight: 0.86 gr. Oval cut Swiss blue topaz (7 x 5 mm) = 1.82 ct total for pair. Colour: Blue. Stone cut: Oval Cut. Occasion: Wedding, Mother's Day. Anniversary: 4th Anniversary. Birthstone: November.