Reverse Crescent Marquise Diamond Engagement Ring 2617MQNot many engagement ring settings were made for the marquise cut specifically, but Tacori's 2617MQ was. The platinum cathedral foundation lifts the stone high, V tip prongs secure the pointed ends and the band carries engraved scrollwork, bezel set G, VS diamonds and milgrain edging along the shoulders. The Reverse Crescent inner face creates open windows of light that feed directly into the marquise above, a detail most buyers discover after the ring