Antique Blue John Sterling Silver Ring Art Deco Large Signet Bleu Jaune Womens Rare Gemstone Jewelry Jewellery antique millefiori with a raised dome centre

with a raised dome centre

The ring has some filing marks on one side

The clip works be screwing the collar down

The silver plate is still strong in most areas and the item has a lovely dark patina

The ring is stamped "SILVER" and "WEDGWOOD"

Antique Blue John Sterling Silver Ring Art Deco Large Signet Bleu Jaune Womens Rare Gemstone Jewelry Jewellery antique millefiori with a raised dome centreDESCRIPTION: A large antique art deco sterling silver and genuine blue john gemstone ring. Blue john is an extremely rare mineral and can only be found in Derbyshire in the UK (not far from me), it is in fact Britain's rarest mineral. The ring sizes at approx. UK N or US 6. 75 and is stamped "SILVER". The total weight is approx. 5. 57g and the size dimensions are in the latter photos. The stone has some natural inclusions on the face and beautiful