Art Deco Triangular .70 C Diamonds Aquamarine Platinum Ring. This is a beautiful art deco style ring set with a .70 carat triangular diamond and .70 carat aquamarine. Center diamond faces up white sparkly eye clean I color SI1 clarity. There are 28 additional diamond H color VS-2 clarity. Total gem weight 2.52 carats. Face of the ring measures 19mm wide. Excellent Condition, Ring Size 6 1/2. This is a unique ring with an amzing design it would make a great alternative to a normal single stone engagement ring.