14K yellow gold, ruby and opal demi parure, the drop necklace featuring four opals centered by round-cut ruby trefoils, central ruby cluster above an opal measuring approx. 11x 9 mm, with a halo of rubies, curb link chain, 1 in. drop, 22 in. L, together with a pair of drop earrings each opal with a ruby halo, French screw backs, each 1 in. L, 20.20 grams tw