Antique Milgrain 1.35 Carat Round Cut Aquamarine And Diamond Halo Engagement Ring In White Gold. If you're in search of an antique engagement ring that feels one-of-a-kind but isn't too expensive, then you really can't go wrong with this Aquamarine and diamond engagement ring. This vintage ring features one carat round cut aquamarine as the center stone which sits in a halo of white sizzling diamonds of 0.35 carat in a white gold band. The beaded work on the band is highly commendable job of our craftsmen which adds that antique vibes on this ring. The center aquamarine radiates its own jewel tones which will definitely create a magical look in your fingers. This antique milgrain 1.35 carat round cut aquamarine and diamond halo engagement ring in white gold can also be customized to 18k Gold plating over silver, 10k Gold or 14k Gold as per your preference. Please note that if the ring is made over silver, the side stone will be moissanite and if it is made on gold, diamond will be employed as the side stone.