Details

About this piece

Early 20th-century Swedish convertible bangle by CG Hallberg, jeweller to the Swedish court. Crafted in 18 karat yellow gold, the oval hinged form carries a platinum-mounted panel set with seven cushion-cut deep red garnets, accented by 18 old mine and rose-cut diamonds. The diamonds are estimated at G–I colour and SI to P1 clarity, with a total diamond weight of approximately 1.38 carat.

The platinum panel detaches via a discreet rear screw mechanism, likely designed to allow transfer to a hair pin or clip (now lost). The bangle closes with a tongue-and-box clasp and attached safety chain; the mechanism is working well and secure. Inside are crisp Swedish hallmarks for 18 karat gold alongside the CG Hallberg maker’s mark, dating the piece to circa 1911. In good order.

- Materials: 18 karat yellow gold with platinum mount
- Gemstones: seven cushion-cut garnets; 18 old mine and rose-cut diamonds (est. G–I colour, SI to P1 clarity), total approx. 1.38 ct
- Mechanisms: detachable platinum panel with rear screw; oval hinged bangle; tongue-and-box clasp; safety chain
- Marks: five Swedish hallmarks for 18 karat gold; CG Hallberg
- Date: c.1911
- Internal dimensions: 5.7 cm x 5.1 cm
- Total weight: 23.81 g
- Independent appraisal value: $19,500
Color
Red
Style
Antique
Material
Gold
Condition
Good
Dimensions
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