White Gold Round Brilliant Cut Diamond Flexi Line Necklace DMR's Diamond Classics collection presents timeless designs that are perfect for any special occasion. This beautifully crafted 18ct white gold flexi line necklace features sparkling round brilliant cut diamonds, with an approximate carat weight of 6.00ct. Click HERE to view DMR's full Diamond Classics collection. Precious Metal: 18ct White Gold Stone: Round Brilliant Cut Diamonds (6.00ct)