COI Black Tungsten Carbide Ring. Comfort fit with inside round shank.
2.0mm(0.07 inches), 2.25mm(0.08 inches) or 2.5mm(0.09 inches)
Tailor Made. Usually ships in 5 - 7 business days.
14-Day Returns. FREE Worldwide Shipping. 100% Quality Guarantee.
We can provide engraving service for up to 12 letters on the ring. Indicate the inscription of your choice during check-out.
*Further Note: All coi Tungsten Carbide Jewelry are 100% custom-made and hand-made and hence, sometimes it may take a relatively longer processing period for finishing some specific models, eg, gold plating, inlays or diamonds styles.