Octagonal step-cut sapphires of 2.52 and 1.99 carats, marquise, pear and round diamonds, platinum

Gübelin, 2025, report no. 25122082: 2.52 carats, Madagascar, no indications of heating, Royal Blue, accompanied by an Information Sheet on Unheated sapphires
Gübelin, 2025, report no. 25122081: 1.99 carats, Burma, no indications of heating, Royal Blue, accompanied by an Information Sheet on Unheated sapphires

Diamonds: eight marquise, eight pear and six round with an approximate total weight of 1.00 – 1.10 carats

Size/Dimensions: 1.5 cm (⁵⁄₈ in)
Gross Weight: 3.1 grams

The term Royal Blue is reserved for the most illustrious sapphires. This color term can only be applied to sapphires that exhibit fine qualities and have not undergone any modification of color or clarity. Sapphires that exhibit a deeply saturated blue color, possibly complemented by a minute trace of purple and balanced by a vivid brightness are recognized as Royal Blue by the gemological laboratories.

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