One-Of-One Marquise Sapphire Engagement RingMeet Atlas, our signature compass prong floating engagement ring set with a precision cut natural light green marquise sapphire. The four talon claws are oriented to the points of a compass while the floating setting allows another band to sit flush up beside. Designed and made in a small Toronto workshop (not a factory). The half round band is 2 mm wide. GEM 1. 66 carat carat natural marquise cut light green sapphire (11. 03 x 6. 01 mm). The sapphire