Judith Ripka, Tapistry Cut Blue Topaz with Diamonds RingLarge 16 mm round brilliant colored blue topaz The setting is emblished with (26) round diamonds with an estimated weight of .46 carat. Quality of the diamonds are VS clarity and G color.Size of ring is 20 millimeter at the tops widest and the shank is 5 mm. Ring has an adjustable insert for sizing and is currently a size 5 and will adjust to a 6.5 GIA Gemologist inspected and evaluated