Georgian Blue Enamel Diamond Ring

A gorgeous c. 1800-1810s Georgian diamond cluster ring, set with a central 4.5 mm old mine cut diamond against a blue enamel ground and encloistered within a halo of chunky old cut diamonds. As per common practice for the period, the diamonds have been foiled and mounted against a sturdy 15k rose gold closed-back setting. The ring shoulders are particularly charming with their C-scrolls and fluted detailing. This feature is highly representative of neoclassical design; the same motifs can be found in regency furniture dating to the 1810s.

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Description

Date: c. 1800 – 1810s

Ring size: USA 3.5 (resizable via laser welder)

Materials: natural earth mined diamonds, 15k rose gold (unmarked; tested with muriatic & nitric acid), blue enamel

Weight: 5.5 grams

Dimension of ring face: 17.3 x 14.5 mm

Height of ring face: 5.3 mm

Dimension of central diamond: 4.5 x 4 mm (0.25 – 0.3 ct, including halo diamonds, approx. 1 ctw)

Dimension of halo diamonds: 2.5 mm (12 total, approx. 0.7 ctw)

Approx. clarity of diamonds: central diamond VS2- SI1 (no visible carbon inclusions); halo mostly SI – I (about 5 with tiny carbon inclusions, and two with feathers)
(Diamonds can’t be graded for color accurately due to foiling)

Width of shank: 1.6 – 3 mm

Thickness of shank: 1 – 1.8 mm

Condition: Overall in great antique condition. The ring shank is slightly asymmetrical (i.e. not a perfect circle). There’s some tarnish to the silver foiling underneath the diamond (smoked mirror effect; spots of gray). Expect some general age-related surface wear to the gold.