Spinel and diamond ring
Of crossover design, set with a cushion-shaped blue spinel weighing 4.91 carats and a cushion-shaped red spinel weighing 4.30 carats, highlighted with brilliant-cut diamonds, size 53.
Accompanied by SSEF report no. 154801, stating that the blue spinel is of Tanzanian origin, with no indications of heating, and no. 154802, stating that the red spinel is of Vietnamese origin, with no indications of heating and a minor amount of oil in fissures; together with a gemmological report.
Condition Report:
SSEF report no. 154801, dated 11 June 2026, stating that the antique cushion-shaped blue spinel, measuring 11.33 x 9.02 x 5.50 mm, weighing 4.919 carats, is of Tanzanian origin, with no indications of heating.
SSEF report no. 154802, dated 9 June 2026, stating that the antique cushion-shaped red spinel, measuring 11.45 x 8.53 x 4.94 mm, weighing 4.308 carats, is of Vietnamese origin, with no indications of heating and a minor amount of oil in fissures.
Bellerophon report no. B55911, dated 18 December 2025, stating that the cushion-shaped blue spinel, measuring 11.38 x 9.04 x 5.62 mm, weighing 5.11 carats, is of Tanzanian origin, with no indications of treatment.
Inscribed S.R:4.31ct, S.R:4.92ct and D:0.87ct for carat weights, and 750 for 18k gold.
Spinel weighing 4.91 carats blue of medium saturation, with minor surface-reaching inclusions, including a minor cavity on the girdle and an elongated one on the crown.
Spinel weighing 4.30 red of medium strong saturation, with surface-reaching inclusions.
Diamonds bright and lively.
In overall very good condition, the metal with minor scratches.
Gross weight: approximately 9.86g.
Of crossover design, set with a cushion-shaped blue spinel weighing 4.91 carats and a cushion-shaped red spinel weighing 4.30 carats, highlighted with brilliant-cut diamonds, size 53.
Accompanied by SSEF report no. 154801, stating that the blue spinel is of Tanzanian origin, with no indications of heating, and no. 154802, stating that the red spinel is of Vietnamese origin, with no indications of heating and a minor amount of oil in fissures; together with a gemmological report.
Condition Report:
SSEF report no. 154801, dated 11 June 2026, stating that the antique cushion-shaped blue spinel, measuring 11.33 x 9.02 x 5.50 mm, weighing 4.919 carats, is of Tanzanian origin, with no indications of heating.
SSEF report no. 154802, dated 9 June 2026, stating that the antique cushion-shaped red spinel, measuring 11.45 x 8.53 x 4.94 mm, weighing 4.308 carats, is of Vietnamese origin, with no indications of heating and a minor amount of oil in fissures.
Bellerophon report no. B55911, dated 18 December 2025, stating that the cushion-shaped blue spinel, measuring 11.38 x 9.04 x 5.62 mm, weighing 5.11 carats, is of Tanzanian origin, with no indications of treatment.
Inscribed S.R:4.31ct, S.R:4.92ct and D:0.87ct for carat weights, and 750 for 18k gold.
Spinel weighing 4.91 carats blue of medium saturation, with minor surface-reaching inclusions, including a minor cavity on the girdle and an elongated one on the crown.
Spinel weighing 4.30 red of medium strong saturation, with surface-reaching inclusions.
Diamonds bright and lively.
In overall very good condition, the metal with minor scratches.
Gross weight: approximately 9.86g.
