Gold & Platinum Square Solitaire 4.5mm Center Stone 4-Prong V-Ends Die-Struck Ring Mounting Engraving Blocks 5% ruthenium (Pt950)

5% ruthenium (Pt950)

they cover a practical working range for fine engraving and stonesetting applications

For use with propane or natural gas only — not compatible with acetylene

2mm 80-177 14K Yellow 9

Tested and recommended by Swiss jewelers and lapidary experts

Gold & Platinum Square Solitaire 4.5mm Center Stone 4-Prong V-Ends Die-Struck Ring Mounting Engraving Blocks 5% ruthenium (Pt950)These die struck square solitaire ring mountings are designed to hold a 4. 5mm (approximately 1 2 carat) center stone in a classic 4 prong, V ends configuration. Highly polished and ready for setting and sizing, they are manufactured in the USA by America's largest family owned findings manufacturer using responsibly sourced gold and platinum. Available in three metal options 14K white gold, 14K white head with 14K yellow shank, and platinum these