This is a charming 18k yellow gold and platinum frog ring by Hammerman Brothers. The ring is set with cabochon turquoise, sapphires and rubies and round cut diamonds. The sapphires and rubies weigh 1.50ct and 1.25ct respectively. The top of the ring measures 35.5mm by 24mm. The ring is stamped HB PT950 750 HB and weighs 33 grams. The ring is size 6 but it can be resized.