Rocks Couture Collection of Gemstone Earrings 18ct White Gold Halo Earring with an Oval Cut Center Sapphire. The sapphires are surrounded by a halo of 14 diamonds totalling 0.14ct Everyday earrings with added bling! The classic oval cut sapphires create a really interesting piece. Pair with other sapphire gemstone jewellery to create a classic look. Sapphire Dimensions: 5mm x 4mm Total Diamond Carat Weight: 0.14ct