Blue Topaz 9ct Gold Pendant 9P1025BTF Qty: 1 2 3 4 5 6 7 8 9 10 Price £290.00 9ct yellow gold blue topaz pendant. Nice medium blue, square-cut faceted stone, approx. 9mm x 9mm. set in a chunky, plain, rub-over setting, in 9ct yellow gold. Chain is not included 9ct Gold Jet & Diamond Birthstone - Topaz for November