Crescent Jewelry Co. 1950's 10K Gold 7-Carat Class Step-Cut Amethyst Cathedral Crown Ring Size 5

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Crescent Jewelry Co. 1950's 10K Gold 7-Carat Class Step-Cut Amethyst Cathedral Crown Ring Size 5

$845.00

Materials and Features:

  • 7-Carat Class "Masterpiece" Amethyst: A substantial, deep-violet genuine amethyst focal (approx. 7 carats based on 12mm x 9.8mm face dimensions) featuring a classic octagonal step-cut for superior depth and light-refraction.

  • Architectural Cathedral Crown Gallery: An intricate, high-profile multi-tiered "Crown" setting featuring architectural flared ribs—a premium engineering technical hook rarely seen in mass-market commercial jewelry.

  • Double-Bifurcated "V" Shoulders: A sophisticated articulated shoulder design that provides essential structural stability for the oversized focal stone, ensuring a balanced drape on the finger.

  • Crescent Jewelry Co. Heritage: Verified by the Heart, Crescent Moon, and Star diagnostic hallmarks, this piece represents the peak of Mid-Century "overbuilt" domestic American manufacturing.

Type: High-profile cathedral solitaire

Material Fineness: 10 kt. Gold / 417 Yellow Gold

Age/Origin: Late 1950's / USA (St. Louis/Minneapolis)

Marks: 10K with the Crescent Jewelry Co. diagnostic suite (Heart, Crescent Moon, and Star)

Measurements:

  • Weight: 4.1g (Substantial high-density archival casting)

  • Dimensions: North American Size 5 (Inside Diameter: 15.7mm). Center stone face: Approx. 12mm x 9.8mm.

Condition: Excellent vintage condition. The 10K gold finish is mirror-bright. The 1950's gallery is structurally sound; the amethyst is secure within the shield-claws with no visible surface abrasions or windowing.

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Please note that it is upon visual inspection and many years experience that we are identifying gemstones, We give our best opinion but please see photos to determine the authenticity of the gemstone as we are not certified gemologists. Further pictures can be taken or questions answered upon personal request. Diamonds are tested with ‘The diamond selector II’ authenticator apparatus tool, gold and silver are acid tested where applicable and only when indicated in the item listing as such.

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