Antique 19th c French Pave Rose Cut Diamond Rectangular Ring

Date: 1830s, late Georgian / Louis Philippe I period

Size: USA 7

Materials: rose cut diamonds, 18k yellow gold, silver

Weight: 3.5 grams

Marks:
– [eagle head] old French assay mark for solid 18k gold
– [anchor?] a second rather illegible mark, possibly a maker’s or regional mark

Dimension of ring face: 18 x 9.4 mm

Diameter of individual diamonds: 2.7 – 3 mm (~0.06 ct each, ~1.08 ctw)

Width of shank: 2 – 2.6 mm

Thickness of shank: 0.9 – 1.6 mm

Condition: silver has tarnished with age (can be cleaned with silver polish– but I love the dark gray, so I have left the ring alone). Otherwise in excellent antique condition.
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Description

A very rare late 1830s French Louis Philippe I period ring, of a stunningly modern rectangular shape pave-set with sixteen 3mm rose cut diamonds weighing about 1 – 1.08 CTW. The silver-topped setting has tarnished over time to an attractive gunpowder gray, which provides a bold contrast with the pale brightness of the diamonds. As per French practice, the outside of the ring shank is hallmarked (as opposed to the inner side, which is the English fashion). The crisp eagle head mark without a cartouche can be dated to the late 1830s, and guarantees the gold to be .750 18K. The design of this ring is so classic that two centuries later, it still seems fresh and full of daring.