Sapphire and Diamond Reverse Three Stone Ring in Platinum

A distinctive interpretation of the classic three-stone design, this Sapphire and Diamond Reverse Three Stone Ring features a magnificent 0.40ct brilliant-cut diamond, beautifully framed by two rare purple-blue sapphires from Vietnam.

The captivating purple-blue appearance of these Vietnamese sapphires results from the interaction of trace elements within their crystal structure, particularly iron and titanium, with chromium potentially contributing violet or reddish undertones.

Vietnam has become an increasingly interesting source of fine coloured gemstones, particularly following significant sapphire and ruby discoveries during the late twentieth century. The country’s complex geological history has produced corundum in a remarkable variety of colours.

The central diamond is equally noteworthy. Graded D colour by the Gemological Institute of America (GIA), it occupies the highest position on the internationally recognised diamond colour scale, indicating a colourless appearance within the grading system.

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