Gatsby Jewellery Ltd has dated this Antique Ruby Diamond Ring to the 1920s.
The diamonds - weighing 0.45 carat and 0.40 carat - add bags of fire and brilliance, and lead to a slim 18k yellow gold shank.

Accompanied by a ruby report from The Gem & Pearl Laboratory stating the ruby shows no indications of heating.
Cut: Cushion cut ruby and old mine cut diamonds.
Colour: The diamonds are I and J.
Clarity: The ruby is lightly included. The diamonds are VS1 and SI1.

Carat: The ruby is 0.64 carat. The diamonds are 0.45 carat and 0.40 carat.
Circa: 1920.
Size: P (UK) or 7 1/2 (US). Free sizing available.
Measurements: The ruby is 6.2 x 5.2mm. From the outer edge of one diamond to the other is 15.25mm and sits 4.8mm from the finger.

Weight: 3.01 grams.
Metal: 18k yellow gold and platinum. Tested with a Niton DXL Precious Metal Analyzer.
Video: To view videos of this ring recorded in daylight, please either contact us or copy the following link into browser: https://gatsbyjewellery.co.uk/products/antique-0-64-carat-unheated-ruby-0-85-carat-diamond-ring-circa-1920
Item # 7141014S245
Gatsby Jewellery Ltd has dated this Antique Ruby Diamond Ring to the 1920s.
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