< back Perpetual Motion Solo Rotated 6mm Ring $1,990 18k yellow gold and green tourmaline. Design Insight: stack it alongside a multitude of our Rotated Solo rings or wear it alone to highlight its minimalist spirit. Product code: PM-RN-SOLO6ROT details Set in Motion: a faceted green tourmaline spins inside a ‘cutout’ gold cube that is ‘balanced’ perfectly on one corner. 6mm green tourmaline sphere (1.9ct) Size & Fit Cube Length: 0.7cm (approximately) Ring Measurements can be found in the link below US sizing Product code: PM-RN-SOLO6ROT View Disclaimer size guide select color yellow gold w/ green tourmaline Yellow Gold W/ Malachite Yellow Gold W/ Carnelian yellow gold w/ pink tourmaline Select Size add to bag Share Twitter Facebook Email Pinterest Custom Order