This eye-catching necklace features a stunning 1.66 carat round blue diamond set in an 18k white gold bezel with an 18k yellow gold bezel halo. This polished gold pendant is suspended from an 18k yellow gold chain, allowing the center diamond to take center stage, while the side of the pendant shows a lovely, open gold work pattern. Natural color blue diamonds are extremely rare but by the miracle of technology, scientists are able to coax stunning blue shades out of select diamonds, like the gem in this necklace. Blue diamonds have brilliant life! Treat yourself to a wonderful miracle of nature and science!