Excellent saturation of colour and dynamic light refraction (without enhancement). A superb Sapphire and Diamond Round Swirl Brooch with Baltic marks (plausibly St Petersburg ), in Gold (marked 56), centrally raised claw-set with a fine cushion-cut Sapphire of 1.80 carats, Natural Untreated and of Basaltic Origin with no Indication of Heat Treatment observed, outlined by a triple Foliate Swirl containing numerous Old & Rose-cut Diamonds assessed by ourselves as being of approximately 3.50 carats in total (unweighed).
Accompanied by an Independent Gemmologist’s Report confirming the Sapphire’s assessment.
Please note that untreated Sapphires are scarce.
Overall Diameter: 2.7 cm
Russian (Baltic Marks)