18K solid yellow gold diamond eternity spacers with clean crisp princess cut diamonds, opulent findings for you high-end gold jewelry! Size: (8mm Diameter) (3.8mm Thickness) (2mm hole diameter)Weight: 1.40 grams (14k) 1.70 grams (18k) approx.Last 2 pictures are examples on how you can use these diamond eternity beads.MATERIAL: 18k Solid Yellow Gold, Genuine Natural diamonds