Dive into blue! a central Montana Sapphire in a teal blue hue flanked either side by two glittering diamonds, a bewitching trio. MONTANA SAPPHIRE AND DIAMOND TRIO RING DETAILS Available in 9ct, 14ct and 18ct Gold All raw materials/gemstones are ethically sourced. This ring will be hallmarked at the Edinburgh Assay Office. SIZE Each ring is hand-forged to order in our Northumberland Studio Band is 1.8mm mm wide, with square profile. The Montana Sapphire is 4mm x 6mm Oval. The side Diamonds are 2. Studio Band, September Gift, Engagement Ring Sapphire, Montana Sapphire Engagement Ring, Montana Sapphire Ring, Ring Inspo, Trio Ring, Teal Sapphire, Ring Sapphire