Shop Our Jewelry › Gem Bezel - Threaded Titanium Navel Curve Image 1 of 5 Image 2 of 5 Image 3 of 5 Image 4 of 5 Image 5 of 5 Gem Bezel - Threaded Titanium Navel Curve from $60.00 sold out 14g 7/16” internally threaded navel curves. ASTM-F-136 implant grade titanium with synthetic gems. All sales final. Color: Select Color Single Gem Clear Double Gem Clear Double Gem Yellow Double Gem White Opal Double Gem Blue Opal Sold Out Added! 14g 7/16” internally threaded navel curves. ASTM-F-136 implant grade titanium with synthetic gems. All sales final.