Vintage Sterling Silver Blue John Doublet Ring Oval Signet Womens Ladies Retro Oval Rare Gemstone Jewelry Jewellery UK O.5 US 7.5 animal necklace the enamel has worn in

the enamel has worn in areas and some of the pastes have dulled

PLEASE NOTE: There are some scratches on the face of the glass

22g and the size dimensions in the later photos

They still have a lovely sparkle

I've seen a very similar one sell at auction for over £1800 (including fees)

Vintage Sterling Silver Blue John Doublet Ring Oval Signet Womens Ladies Retro Oval Rare Gemstone Jewelry Jewellery UK O.5 US 7.5 animal necklace the enamel has worn inPLEASE NOTE: The blue john doublet has fogged due to condensation, see photos video. I've altered the price accordingly. DESCRIPTION: A lovely genuine vintage sterling silver and genuine blue john doublet ring. Blue john is an extremely rare mineral and can only be found in Derbyshire in the UK, it is in fact Britain's rarest mineral. The ring sizes at approx. UK O. 5 or US 7. 5 and weighs approx. 2. 90g and is stamped "SILVER".