Sterling Silver Genuine Blue Topaz & Diamond Ring Polished Sterling Silver Bypass Design Ring set with (1) fine, Faceted, Trillion Blue Topaz & (3) round, Gypsy-set Diamonds. Diamond weight approx 1/20 CT TW Blue Topaz 2.05 CT TW Ring is available is sizes 6, 7 and 8. Add ring to your shopping cart, then select size. This item does have a matching necklace and earrings available. Also this comes in various other stones: Smokey Quartz, Amethyst, Lemon Topaz, Garnet & Citrine. All photos are enlarged to show detail; please go by measurements listed Please see the entire selection of these modern jewelry pieces.