Rocks Couture Collection of Gemstone Earrings 18ct White Gold Halo Earring with a Pear Cut Center Sapphire Gemstone. The sapphires are surrounded by a halo of 16 diamonds totalling 0.31ct Everyday earrings with added bling! The unusual pear cut sapphires stand out from the crowd and create a really interesting piece. Pair with any other gold or gemstone jewellery to create a truely unique look. Sapphire Total Carat Weight: 1.06ct Diamond Total Carat Weight: 0.31ct