Kaleidoscope Of Blues - Estate Sterling Silver Blue Opal Ring. This gorgeous ring is crafted from sterling silver, hallmarked 925 for sterling. Featuring a lab created round cabochon cut opal, 18 smaller lab created round cut cabochon opals, exquisite designing and quality silver work. The expertly claw set opal has a beautiful vibrant fiery gem displaying colours of blue , varying in colour from royal blues to turquoise blues and purple, surrounded by 18 opals. The gallery is stunning on this ring, which sets of the opals beautifully. The shank is smooth and polished for a comfortable fit. This Edwardian Revival Estate piece looks stunning when worn, truly a perfect gift or addition to any jewelry collection.