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Description
Made with certified recycled precious metal. Our silver, gold and platinum is refined from certified recycled content rather than newly mined ore, through refiners audited by outside parties.
How we source our metal
These die-struck 4-prong round solitaire ring mountings are designed to accept a 4.5 mm center stone (approximately 3/8 carat) and arrive highly polished and ready for setting and sizing. Made in the USA by America's largest family-owned findings manufacturer from responsibly sourced gold and platinum, these mountings meet the standards professional jewelers expect for quality and consistency.
Mountings are supplied in standard USA ring sizes 6 to 6-1/4. The 14K white gold versions use a nickel-based alloy and are rhodium plated. Platinum mountings are composed of 95% platinum and 5% ruthenium. All carat weights are stated in diamond weights.
Features
- Die-struck construction for precise, consistent form
- Highly polished finish — ready for stone setting and sizing
- 4-prong head designed for 4.5 mm round center stones
- Made in the USA from responsibly sourced precious metals
- 14K white gold versions feature nickel-based alloy with rhodium plating
- Platinum version is 95% platinum / 5% ruthenium
Specifications
| Center Stone Size | 4.5 mm |
|---|---|
| Approximate Stone Weight | 3/8 ct (diamond weight) |
| Prong Count | 4 |
| Construction | Die struck |
| Finish | Highly polished |
| Ring Size Range | 6–6-1/4 (standard USA) |
| 14K White Gold Alloy | Nickel-based, rhodium plated |
| Platinum Alloy | 95% platinum, 5% ruthenium |
| Country of Origin | USA |
Available Options
| Part # | Metal Type |
|---|---|
| 951-203 | 14K White Gold |
| 9501-203 | 14K White Gold Head / 14K Yellow Gold Shank |
| 95B-203 | Platinum |
Specifications
- Brand
- Otto Frei
- Part #
- 951-203
- Type
- Ring Mountings
- Country of Origin
- United States
- Dimensions
- 0.15 in x 0.15 in x 0.25 in
- Center Stone Size
- 4.5 mm
- Approximate Stone Weight
- 3/8 ct (diamond weight)
- Prong Count
- 4
- Construction
- Die struck
- Finish
- Highly polished
- Ring Size Range
- 6–6-1/4 (standard USA)
- 14K White Gold Alloy
- Nickel-based, rhodium plated
- Platinum Alloy
- 95% platinum, 5% ruthenium
California Prop 65 Warning:Cancer and Reproductive Harm. www.P65warnings.ca.gov.
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