.55 Oval Cut Sapphire & Diamond Engagement Ring in PlatinumThis modern engagement ring features a . 55 round cut sapphire with . 50 carats of diamond accents and is set in platinum. The center stone is tension set in a very interesting open section adorned with diamonds allowing all of the gem to be seen from the side profile. The shoulders are encrusted with diamonds all the way down the band, completing this beautiful modern look.