Platinum 3-Stone Square Ring Mounting-Square 5.75mm Center Stone with Two-3.5mm Square Sides

This platinum 3-stone ring mounting is designed for a square center stone measuring 5.75 mm, flanked by two square side stones at 3.5 mm each. Cast and hand polished, it arrives ready for setting and sizing—making it an efficient choice for jewelers building finished pieces from quality findings. The mounting is fabricated from platinum composed of 95% platinum and 5% ruthenium, delivering the durability and prestige metal professionals and their clients expect.

Produced by America's largest family-owned findings manufacturer, this mounting is made in the USA from responsibly sourced platinum. The casting and hand-polishing process ensures clean lines and a surface finish that is bench-ready upon arrival.

Features

• Square 5.75 mm center stone seat paired with two 3.5 mm square side stone seats
• Cast construction with hand-polished finish—ready for setting and sizing
• Platinum alloy: 95% platinum, 5% ruthenium
• Made in the USA from responsibly sourced platinum
• Produced by America's largest family-owned findings manufacturer
• Standard USA ring size: 5-1/2

Specifications

Notes

• All carat weight references are in diamond weights.
• Mounting arrives at standard USA ring size 5-1/2 and is suitable for sizing by the bench jeweler.

California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.