Ross-Simons - .25 ct. t. w. Diamond Ring in 18kt Yellow Gold. Size 7. We guarantee your stack is in need of some sparkle. Dotted with .25 ct. t. w. round brilliant-cut diamonds along the polished 18kt yellow gold band, this pretty ring will get along with jewelry of any other metal or gemstone. 1/8" wide. Diamond ring. Diamond birthstones are the perfect gift for April birthdays. Yellow Gold Diamond Channel Set Stackable Rings, Yellow Gold Diamond Stackable Rings Channel Set, Pretty Ring, April Birthday, Diamond Birthstone, Pretty Rings, Ring Diamond, Gold Band, Round Brilliant Cut Diamond