“Costis” Wave Ring, with a Rare Santa Maria Aquamarine of 27.51 Carats, set with Diamonds and Sapphires. The concaveness of this ring follows the natural movement of the sea wave. An aquamarine emerges out of its swirl. Blue sapphires and diamonds fade from dark blue tones to sparkling white to reproduce the foamy wave… It took 4 months to craft this ring. It was a long, yet fulfilling process, since the project presented many challenges Totally handmade, 18K White Gold, with a rare Santa Maria Aquamarine of 27.51 carats, Blue Sapphires 30.62 carats and Diamonds 2.82 carats.