Antique St. Petersburg Diamond Bracelet with Natural Ceylon Sapphire 'Cornflower Blue'
Carl Siewers Workshop first mentioned 1849
Lot-No. 316
Hammer Price: 19.000 €
St Petersburg. 1818 - 1864. 18 ct. GG/ 72 Zolotnik, stamped, bracelet marked, maker's mark: CS. Weight: Showpiece with two box locks 39 x 30 mm, bracelet approx. 38.5 g. Bracelet W. 14 mm and L. 15 cm with 2 snipers, showpiece. Showpiece with unheated, fine-colored, intensive blue Ceylon sapphire 'cornflower blue' in an oval-shaped step cut, approx. 5 ct. (approx. 11.9 x 10 x 6 mm, no indications of heat treatment, small chips). Removable lid on the back of the sapphire, engraved in Cyrillic June 4, 1846. Information on sapphire according to DSEF 2026.
Carl Siewers, St. Petersburger Werkstatt ab 1849: Antique St. Petersburg Diamond Bracelet with Natural Ceylon Sapphire 'Cornflower Blue'
Carl Siewers Workshop first mentioned 1849
Antique St. Petersburg Diamond Bracelet with Natural Ceylon Sapphire 'Cornflower Blue'
Lot-No. 316
Hammer Price: 19.000 €
| Origin: | St Petersburg |
| Date: | 1818 - 1864 |
| Material: | 18 ct. GG/ 72 Zolotnik, stamped, bracelet marked, maker's mark: CS |
| Weight: | Showpiece with two box locks 39 x 30 mm, bracelet approx. 38.5 g. |
| Dimensions: | Bracelet W. 14 mm and L. 15 cm with 2 snipers, showpiece |
| Gemstones: | Showpiece with unheated, fine-colored, intensive blue Ceylon sapphire 'cornflower blue' in an oval-shaped step cut, approx. 5 ct. (approx. 11.9 x 10 x 6 mm, no indications of heat treatment, small chips). |
| Confirmation: | Information on sapphire according to DSEF 2026. |
| Description: | Removable lid on the back of the sapphire, engraved in Cyrillic June 4, 1846. |
