Gatsby Jewellery Ltd has dated this piece to the 1890s.
The stone is surround by ten high white and clean old mine cut diamonds, each secured in individual silver rubover settings in a loosely marquise shaped arrangement, leading to a fluted yellow gold shank set with a further four (two each side) diamonds. Beautiful and wholly individual.

Accompanied by a sapphire report from Gemmological Certification Services (GCS) stating the sapphire shows no indication of heating, and is Sri Lankan (Ceylon) in origin.
Cut – Oval cabochon sapphire an old mine cut diamonds.

Colour – The diamonds are G to H.
Clarity – The diamonds are VS1 to VS2.
Carat – The sapphire is 4.68 carat. The total approximate diamond weight is 0.78 carat.
Circa – 1890.
Size – R (UK) or 8 5/8 (US). Complimentary sizing is available, can go up or down.

Measurements – The sapphire is 9.67 x 7.82mm. The head of the ring is 22.35 x 14.25mm and sits 9.7mm from the finger.
Metal – 18k yellow gold. The diamonds are set in silver. Tested.
Video – To view a video of this ring recorded in daylight, please copy / paste the following link into your browser: https://vimeo.com/407948729
Gatsby Jewellery Ltd has dated this piece to the 1890s.
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