Antique Estate 14K Yellow Gold Diamond Emerald Ruby Sapphire Stacking Ring Band. There are 4 round sapphires, 2 round emeralds, 2 round rubies and numerous single cut diamonds in this unique piece. All gemstones are natural. The top of the ring measures 3/8 of an inch wide. The ring is a size 6.5. Sizing is available. It weighs 4.2 grams.