Elegant and stylish, the Calla features five gorgeous round brilliant diamonds, with a central stone bracketed by pairs in descending sizes, all held in an open basket to maximise the sparkle. This is a two part design, so you can have the basket in a different metal to the D-shaped band, if you wish. Total carat weight of 1.05: 2 x 3.00mm, 2 x 4.00mm and 1 x 4.50mm. Total carat weight of 1.33: 2 x 3.50mm, 2 x 4.00mm and 1 x 5.00mm. Total carat weight of 2.75: 2 x 4.00mm, 2 x 5.50mm and 1 x 6.50mm.