Shop › Simple Onyx Ring- size 5.75 Image 1 of 1 Simple Onyx Ring- size 5.75 $45.00 A simple solitaire ring with a 2mm black onyx. It is perfect on its own or part of any stack. Add To Cart Added! A simple solitaire ring with a 2mm black onyx. It is perfect on its own or part of any stack. You Might Also Like Enzo Necklace- Keum Boo $110.00 Whimsy Studs $65.00 Diverging Mother Of Pearl Earrings $75.00 Sold Out Diverging Drop Earrings $65.00 Asymmetrical Sodalite Ring- size 8 $80.00