Emerald Cut Diamond & Blue Sapphire Platinum Guard Ring An Emerald cut diamond and blue sapphire guard ring. Diamonds are top white color, sapphires are fine bright blue. In platinum, with split channel detail between stones. More Pieces 18k Tourmaline Diamond Ring Tanzanite & Diamond Pendant in 18k White Gold Necklace This is new tanzanite and diamond pendant. Triangle cut blue/purple stones, 1.50ct and .65ct. Accented in the center with pave' set brilliant cut diamonds. Pendant bail is set with a .20ct. diamond, with a anchor link style chain. Scroll Pendant in 14k White Gold Necklace This scroll pendant in 14k white gold is inspired by ornamental iron work . Center stone is 2.25ct. oval brilliant cut blue sapphire, accented with round diamonds in bezel settings.