Gatsby Jewellery Ltd has dated this Antique Sapphire Cluster Ring to the 1900s.
The sapphire is surrounded by a border of eight chunky old mine cut diamonds, plus a further two at the top of the shoulders.

Accompanied by a sapphire report from The Gem & Pearl Laboratory stating the sapphire shows no indications of heating.
Cut: Rectangular cushion sapphire and old mine cut diamonds.
Colour: The diamonds range between J and K.

Clarity: The sapphire is loupe-clean. The diamonds range between VS2 and SI2.
Carat: The sapphire is approximately 1.00 carat. With a total approximate diamond weight of 1.40 carat.
Circa: 1900.
Size: K (UK) or 5 1/8 (US). Free sizing available.

Measurements: The sapphire is 6.2 x 5.0mm. The head of the ring is 14.4 x 13.3mm and sits 6.4mm from the finger.
Weight: 4.75 grams.
Metal: 18k gold.Tested with a Niton DXL Precious Metal Analyzer.
Video: To view videos of this ring recorded in daylight, please either contact us or copy / paste the following link into your browser: https://gatsbyjewellery.co.uk/products/vintage-unheated-sapphire-old-cut-diamond-cluster-ring-circa-1900
Item # 414714S177
Gatsby Jewellery Ltd has dated this Antique Sapphire Cluster Ring to the 1900s.
Gatsby jewellery are a husband and wife team who have years of knowledge and experience in dealing in fine antique jewellery.
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