Diamond Machina Swivel RingUniform Object diamond machina swivel ring in yellow gold. The Bolts Of The Machina Swivel Ring Secure The Dual Sided Vessel To A Band, Which Rotates As The Ring Face Is Manually Flipped. This Mechanical Design Imbues An Elegant Brutality While Also Serving A Function, Transforming An Often Overlooked Industrial Component Into A Striking Focal Point. 18K Yellow Gold (20Gr) 0. 75Ctw Asscher Cut Diamonds, 0. 86Ctw Round Diamonds Handcrafted In Nyc