Antique ruby and diamond two row crossover ring, of graduated five stone design

With a line of cushion cut rubies abutting a line of cushion cut diamonds, rose cut diamond points to the middle stones, each separate line with scroll ended point terminal, mounted in gold with chased and engraved anthemion motif shoulders, beaded side detail, scroll carved gallery, with French gold assay and workshop marks, approximately 1.80cts of diamonds, approximately 1.85cts of rubies
Width at middle 1.1cm / 3/8''
Weight: 8.5g