Gatsby Jewellery Ltd has dated this piece to the 1900s.
Sits on a D-shaped 18k yellow gold shank which pinches in at the shoulders.

Accompanied by an independent jewellery report from IGR.
Cut: Old European cut in the centre, with old mine cuts in the surround.
Colour: F in the centre. The diamonds in the surround range from E to H.

Clarity: The centre is I1. The diamonds in the surround range from SI1 to SI2.
Carat: The centre is a known 0.70 carat, with a further approximate 0.30 carat in the surround.
Circa: 1905.
Size: K or US size 5 1/8. Free sizing available.

Measurements: The centre diamond is approximately 5.8mm in diameter. The head of the ring is approximately 10.2mm in diameter.
Weight: 3.08 grams.
Metal: Stamped 18ct inside the band, and tested with a Niton DXL Precious Metal Analyzer to confirm.

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/edwardian-1-00-carat-old-cut-diamond-cluster-ring-circa-1905
Item # 119613S413
Gatsby Jewellery Ltd has dated this piece to the 1900s.
Gatsby jewellery are a husband and wife team who have years of knowledge and experience in dealing in fine antique jewellery.
You can view the stock and full dealer information on the Gatsby Jewellery Ltd Profile Page