Gatsby Jewellery Ltd has dated this Vintage Emerald Gold Ring to the 1960s.
The stone is claw set in yellow gold, and sits between diamond-set shoulders to a slender 18k yellow gold shank.

Accompanied by a report from GemResearch SwissLab (GRS) stating the emerald has received only minor clarity enhancement, and originates from Colombia.
Cut: Square step-cut emerald. Eight-cut diamonds.

Colour: The diamonds are F to G.
Clarity: The emerald is moderately included. The diamonds are VS1.
Carat: The emerald is 0.89 carat. The total approximate diamond weight is 0.16 carat.
Circa: 1960.
Size: J (UK) or 4 5/8 (US). Free sizing available.
Measurements: The emerald is 6.20 x 6.11mm. Sits 5.5mm from the finger.
Weight: 2.76 grams.
Metal: 18k yellow gold. Tested with a Niton DXL Precious Metal Analyzer.
Item # 7141014S128
Gatsby Jewellery Ltd has dated this Vintage Emerald Gold Ring to the 1960s.
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