Description
Description
These three-stone round ring mountings are designed to showcase a 5.5mm center stone flanked by 3.25mm side stones, accommodating a total carat weight range of 7/8 ct – 1 ct (all weights in diamond weights). Made in the USA from responsibly sourced gold and platinum, each mounting is cast and hand-polished, arriving ready for setting and sizing.
Available in five precious metal options — 14K yellow, 14K white, 18K yellow, 18K white, and platinum — these mountings are produced by America’s largest family-owned findings manufacturer, combining consistent quality with professional-grade craftsmanship suited for bench jewelers and retailers alike.
Features
- Three-stone round mounting design with a 5.5mm center stone seat
- Accommodates 3.25mm round side stones
- Total carat weight range: 7/8 ct – 1 ct (diamond weights)
- Cast construction with hand-polished finish
- Ready for stone setting and ring sizing
- Made in the USA from responsibly sourced precious metals
- 14K white gold uses a nickel-based alloy and is rhodium plated
- Platinum alloy is 950 platinum / ruthenium (95% platinum, 5% ruthenium)
Specifications
| Center Stone Size | 5.5mm |
|---|---|
| Side Stone Size | 3.25mm |
| Total Carat Weight Range | 7/8 ct – 1 ct (diamond weights) |
| Standard Ring Size | 6 (USA) |
| Platinum Alloy | 950 Platinum / Ruthenium (95% Pt, 5% Ru) |
| 14K White Gold Alloy | Nickel-based alloy, rhodium plated |
| Construction | Cast, hand polished |
| Country of Origin | USA |
Available Options
| Part | Metal Type |
|---|---|
| 950-521 | 14K Yellow Gold |
| 951-521 | 14K White Gold |
| 95B-521 | Platinum |
| 95C-521 | 18K Yellow Gold |
| 95E-521 | 18K White Gold |
Specifications
- Brand
- Otto Frei
- Part
- 95B-521
- Type
- Ring Mountings
- Country of Origin
- United States
- Dimensions
- 0.15 in x 0.15 in x 0.25 in
- Length
- 0.15 in
- Width
- 0.15 in
- Height
- 0.25 in
- Center Stone Size
- 5.5mm
- Side Stone Size
- 3.25mm
- Total Carat Weight Range
- 7/8 ct – 1 ct (diamond weights)
- Standard Ring Size
- 6 (USA)
- Platinum Alloy
- 950 Platinum / Ruthenium (95% Pt, 5% Ru)
- 14K White Gold Alloy
- Nickel-based alloy, rhodium plated
- Construction
- Cast, hand polished
