DATE: Edwardian, c.1910

An incredible natural Ceylon sapphire with vivid cornflower blue colour, certified a shade under 5 carats with no heat treatment. It's a mixed cushion cut, likely cut on site at the mine, set in a beautifully proportioned platinum mount with old cut diamond shoulder accents and French hallmarks. Dating from the early 20th century, circa 1910, a stunning stone with excellent transparency and colour and largely free from inclusions.

STONES 

Certified 4.92ct Cornflower Blue Sapphire - natural with no heat treatment, Sri Lanka origin

Old European Cut Diamonds - 0.20ct total

MEASUREMENTS 

Head: 11.6 x 8.1mm

Rise off finger: 7.7mm

Width of band: 1.7mm

WEIGHT 

4.9g

MARKS 

French platinum hallmarks

CONDITION 

Excellent