Categories: Estate Collection, Gents, Jewelry, Mens Bands, Rings Tags: Emerald, Ruby, Sapphire Description Ruby, Blue Sapphire, & Yellow Sapphire Gents 18k Yellow Gold Bands. You may also like… Gents 7ct Tourmaline Ring in 18K Rose Gold See More Gents Blue Sapphire 1.10CT 18k Yellow Gold Ring See More 1.20CT Gents Ruby Ring in 18K Yellow Gold See More Related products Pearl & Diamond Ring with Emerald in 18K White Gold See More Emerald Cut and Baguette Diamond Ring in 18K White Gold See More