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14KY, 14KW, 18KY, 18KW & Platinum Round Center Head 4-Prong Cast - Otto Frei
Otto Frei

Gold & Platinum Round Center Head 4-Prong Cast Setting

41 of 42 options in stock
$55.85to$465.31
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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

Use these center heads to carry a round center stone on a ring or pendant build at the bench. Each head is precision cast with four prongs in the CRT4 style by Victor-Joseph, made in the USA from 100% recycled gold and platinum, and sold by the piece in 14K yellow gold, 14K white gold, or platinum. Fourteen stone sizes cover round stones from .25 ct (4 mm) through 5.0 ct (13.0 mm).

Features

  • 4-prong round center head construction for secure stone retention
  • Cast build gives consistent geometry and clean prong profiles
  • Fourteen round stone sizes from .25 ct (4 mm) to 5.0 ct (13.0 mm)
  • Available in 14K yellow gold, 14K white gold, or platinum
  • Made in the USA from 100% recycled gold and platinum
  • Sold individually, by the piece

Available Options

Part # Metal Stone Size Height / Top Width / Bottom Width (mm)
10-480 14K Yellow Gold .25 ct (4 mm) 5.9 / 5.0 / 2.3
10-481 14K Yellow Gold .33 ct (4.5 mm) 7.6 / 5.1 / 2.4
10-482 14K Yellow Gold .50 ct (5.0 mm) 8.9 / 6.2 / 2.3
10-483 14K Yellow Gold .75 ct (6.0 mm) 9.2 / 7.0 / 2.5
10-484 14K Yellow Gold 1.0 ct (6.5 mm) 9.6 / 7.1 / 2.5
10-485 14K Yellow Gold 1.25 ct (6.75 mm) 9.6 / 7.5 / 2.5
10-486 14K Yellow Gold 1.5 ct (7.00 mm) 10.3 / 7.6 / 2.5
10-487 14K Yellow Gold 1.75 ct (7.50 mm) 10.6 / 8.0 / 2.5
10-488 14K Yellow Gold 2.0 ct (8.0 mm) 11.3 / 8.6 / 2.5
10-489 14K Yellow Gold 2.5 ct (8.5 mm) 11.7 / 9.0 / 2.5
10-489.5 14K Yellow Gold 3.0 ct (9.0 mm) 12.3 / 9.4 / 2.5
10-490 14K Yellow Gold 3.5 ct (10.0 mm) 12.7 / 10.1 / 2.5
10-491 14K Yellow Gold 4.0 ct (11.5 mm) 12.6 / 11.4 / 2.5
10-492 14K Yellow Gold 5.0 ct (13.0 mm) 12.8 / 11.6 / 2.5
11-480 14K White Gold .25 ct (4 mm) 5.9 / 5.0 / 2.3
11-481 14K White Gold .33 ct (4.5 mm) 7.6 / 5.1 / 2.4
11-482 14K White Gold .50 ct (5.0 mm) 8.9 / 6.2 / 2.3
11-483 14K White Gold .75 ct (6.0 mm) 9.2 / 7.0 / 2.5
11-484 14K White Gold 1.0 ct (6.5 mm) 9.6 / 7.1 / 2.5
11-485 14K White Gold 1.25 ct (6.75 mm) 9.6 / 7.5 / 2.5
11-486 14K White Gold 1.5 ct (7.00 mm) 10.3 / 7.6 / 2.5
11-487 14K White Gold 1.75 ct (7.50 mm) 10.6 / 8.0 / 2.5
11-488 14K White Gold 2.0 ct (8.0 mm) 11.3 / 8.6 / 2.5
11-489 14K White Gold 2.5 ct (8.5 mm) 11.7 / 9.0 / 2.5
11-489.5 14K White Gold 3.0 ct (9.0 mm) 12.3 / 9.4 / 2.5
11-490 14K White Gold 3.5 ct (10.0 mm) 12.7 / 10.1 / 2.5
11-491 14K White Gold 4.0 ct (11.5 mm) 12.6 / 11.4 / 2.5
11-492 14K White Gold 5.0 ct (13.0 mm) 12.8 / 11.6 / 2.5
1B-480 Platinum .25 ct (4 mm) 5.9 / 5.0 / 2.3
1B-481 Platinum .33 ct (4.5 mm) 7.6 / 5.1 / 2.4
1B-482 Platinum .50 ct (5.0 mm) 8.9 / 6.2 / 2.3
1B-483 Platinum .75 ct (6.0 mm) 9.2 / 7.0 / 2.5
1B-484 Platinum 1.0 ct (6.5 mm) 9.6 / 7.1 / 2.5
1B-485 Platinum 1.25 ct (6.75 mm) 9.6 / 7.5 / 2.5
1B-486 Platinum 1.5 ct (7.00 mm) 10.3 / 7.6 / 2.5
1B-487 Platinum 1.75 ct (7.50 mm) 10.6 / 8.0 / 2.5
1B-488 Platinum 2.0 ct (8.0 mm) 11.3 / 8.6 / 2.5
1B-489 Platinum 2.5 ct (8.5 mm) 11.7 / 9.0 / 2.5
1B-489.5 Platinum 3.0 ct (9.0 mm) 12.3 / 9.4 / 2.5
1B-490 Platinum 3.5 ct (10.0 mm) 12.7 / 10.1 / 2.5
1B-491 Platinum 4.0 ct (11.5 mm) 12.6 / 11.4 / 2.5
1B-492 Platinum 5.0 ct (13.0 mm) 12.8 / 11.6 / 2.5

Notes

Setting dimensions are given as height, top width, and bottom width, and they hold the same values for a given stone size in every metal.

Specifications

Brand
Otto Frei
Part #
Varies by option
Type
Settings
Country of Origin
United States
Dimensions
0.15 in x 0.15 in x 0.25 in
Style
CRT4 Round Center Head, 4-Prong Cast
Stone Shape
Round
Available Metals
14K yellow gold, 14K white gold, platinum
Stone Size Range
.25 ct (4 mm) – 5.0 ct (13.0 mm)
Number of Stone Sizes
14
Material
100% recycled gold and platinum
Height Range
5.9–12.8 mm
Top Width Range
5.0–11.6 mm
Bottom Width Range
2.3–2.5 mm
Sold As
Each (by the piece)
California Prop 65 Warning California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.

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