5.12 Carat Natural Unheated Sapphire and Diamond Platinum Ring

This exquisite ring features a beautiful unheated natural emerald cut blue sapphire weighing 5.12ct in a rub over, open back setting. The incredible stone is surrounded by 22 fine quality round brilliant cut diamonds, all grain set in open back settings. 

The ring is crafted in platinum and beautifully finished with four grain set round brilliant cut diamonds on either shoulder, weighing an estimated 0.65 carats in total. It is currently sized to a UK P1/2 but could be adjusted by a few sizes.

The sapphire has been certified by the Gem and Pearl Laboratory, under certificate number 18758.