Beautiful aquamarine and diamond ring, rectangular cushion cut aquamarine, aprox 20 carats. Sold for £2,728 at Dreweatts & Bloomsbury Auctions' Fine Jewellery Sale 27 November 21014 Fine Jewelry Sale, Jewelry 2014, Jewellery Sale, Cushion Cut Aquamarine, Aqua Marine, Diamond Ring, Carats, Auction, Cushions