14K Onyx & Diamond Clasp. 15mm(9/16 inch) Wide by 20.5mm(13/16 inch) Long. 1-8x6mm Oval Onyx and 2-2mm Diamond.. 14K Onyx & Diamond Clasp. 15mm(9/16 inch) Wide by 20.5mm(13/16 inch) Long. 1-8x6mm Oval Onyx and 2-2mm Diamond.Fine styling and finish from our Classic Slide Collection - Fine gems set in 14K gold with solid back. Hand made and finished. Add this to your slide bracelet. Made in the USA.