Classic Round Dark Sapphire Stud Earrings with Detachable Diamond Round Earrings Jacket Set in 9ct White Gold _0 (6.) {15.} YouTube YouTube. Beautiful dark blue sapphire round stud earrings crafted from 9ct white gold decorated around a 9ct rose gold and rhodium plated sparkling white diamonds halo earring jacket. The earrings are simple and elegant and are suitable for everyday wear, they feature a four claw setting with a faceted round cut dark blue sapphire gemstone all set on a frame of hallmarked 9ct white gold. The earrings measure 3. 50mm in diameter These earring jackets are designed to fit the back of Gemondo 3. 50mm classic round stud earrings which have a post and butterfly clip and are suitable for pierced ears only Blue Sapphire Information: Shape Cut: Round Stone Size: 3. 50mm Number of Stones: 2 Carat Weight: 0. 40ct Natural Created: Natural Mined Stone Birthstone: September Zodiac: Taurus Wedding Anniversaries: 5th,45th and 70th Diamond Information: Number of Stones: 8 Stone Shape: Round Stone Size: 0. 9mm Carat Weight: 0. 032ct Natural Created: Natural Diamond Country of Origin: India