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Round 4 Prong Die Struck - Otto Frei
Otto Frei

Round 4 Prong Die Struck

Part # 11-150 Only 2 left Weight -- lb / -- g
$29.69
Metal Types: 14K White
Stone Size: .12ct (3.0mm)

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

Die-struck round 4-prong settings designed for clean, centered stone presentation in classic solitaire-style work. Style 975 is built with a heavier die-struck profile for a crisp silhouette and secure prong structure. Available in 14K white gold and platinum across a wide range of round stone sizes from .12ct (3.0mm) up to 6.0ct (11.5mm), making them a reliable choice for production and custom solitaire builds.

Features

  • Round 4-prong die-struck construction for a crisp, consistent profile
  • Heavier die-struck build compared to typical lightweight patterns
  • Available in 14K white gold and platinum
  • Wide size range — .12ct (3.0mm) through 6.0ct (11.5mm)
  • Select by diamond carat weight or matching millimeter stone size
  • Sold by the piece

Specifications

Setting Style Style 975
Setting Type Round 4-Prong
Construction Die Struck
Stone Shape Round
Prong Count 4
Metal Options 14K White Gold, Platinum
Manufactured In USA
Sold As Per piece

Available Options

Part # Metal Stone Size Height / Top / Bottom
11-150 14K White .12ct (3.0mm) 7.3 mm H; 3.7 / 2.1 mm
11-151 14K White .19ct (3.5mm) 7.2 mm H; 4.2 / 2.0 mm
11-152 14K White .25ct (4.0mm) 7.1 mm H; 4.5 / 2.2 mm
11-153 14K White .38ct (4.5mm) 7.5 mm H; 4.8 / 2.7 mm
11-154 14K White .50ct (5.0mm) 7.4 mm H; 5.5 / 2.7 mm
11-155 14K White .62ct (5.5mm) 7.3 mm H; 5.7 / 2.8 mm
11-156 14K White .75ct (6.0mm) 8.1 mm H; 6.0 / 3.0 mm
11-157 14K White 1.0ct (6.5mm) 8.6 mm H; 6.6 / 2.7 mm
11-158 14K White 1.25ct (7.0mm) 8.7 mm H; 6.9 / 2.7 mm
11-159 14K White 1.50ct (7.5mm) 8.8 mm H; 7.2 / 3.0 mm
11-160 14K White 2.0ct (8.0mm) 9.1 mm H; 7.7 / 3.1 mm
11-161 14K White 2.5ct (8.5mm) 10.1 mm H; 8.3 / 3.0 mm
11-162 14K White 3.0ct (9.5mm) 10.3 mm H; 8.7 / 3.0 mm
11-163 14K White 4.0ct (10.0mm) 11.5 mm H; 10.1 / 3.6 mm
11-164 14K White 5.0ct (11.0mm) 12.0 mm H; 11.3 / 3.7 mm
11-165 14K White 6.0ct (11.5mm) 13.2 mm H; 12.1 / 4.3 mm
1B-150 Platinum .12ct (3.0mm) 7.3 mm H; 3.7 / 2.1 mm
1B-151 Platinum .19ct (3.5mm) 7.2 mm H; 4.2 / 2.0 mm
1B-152 Platinum .25ct (4.0mm) 7.1 mm H; 4.5 / 2.2 mm
1B-153 Platinum .38ct (4.5mm) 7.5 mm H; 4.8 / 2.7 mm
1B-154 Platinum .50ct (5.0mm) 7.4 mm H; 5.5 / 2.7 mm
1B-155 Platinum .62ct (5.5mm) 7.3 mm H; 5.7 / 2.8 mm
1B-156 Platinum .75ct (6.0mm) 8.1 mm H; 6.0 / 3.0 mm
1B-157 Platinum 1.0ct (6.5mm) 8.6 mm H; 6.6 / 2.7 mm
1B-158 Platinum 1.25ct (7.0mm) 8.7 mm H; 6.9 / 2.7 mm
1B-159 Platinum 1.50ct (7.5mm) 8.8 mm H; 7.2 / 3.0 mm
1B-160 Platinum 2.0ct (8.0mm) 9.1 mm H; 7.7 / 3.1 mm
1B-161 Platinum 2.5ct (8.5mm) 10.1 mm H; 8.3 / 3.0 mm
1B-162 Platinum 3.0ct (9.5mm) 10.3 mm H; 8.7 / 3.0 mm
1B-163 Platinum 4.0ct (10.0mm) 11.5 mm H; 10.1 / 3.6 mm
1B-164 Platinum 5.0ct (11.0mm) 12.0 mm H; 11.3 / 3.7 mm

Notes

  • Not all sizes are available in all metal types — confirm availability by part number.
  • Select by carat weight or millimeter size as listed.
  • Sold by the piece unless otherwise noted.

Specifications

Brand
Otto Frei
Part #
11-150
Type
Settings
Country of Origin
United States
Dimensions
0.15 in x 0.15 in x 0.25 in
Setting Style
Style 975
Setting Type
Round 4-Prong
Construction
Die Struck
Stone Shape
Round
Prong Count
4
Metal Options
14K White Gold, Platinum
Manufactured In
USA
Sold As
Per piece
California Prop 65 Warning California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.

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