Vintage 9ct Gold Blue John Ring Solid 9k 9kt 375 Yellow Signet Cabochon Oval Fluorite Bleu Jaune Womens Rare Gemstone Jewelry Jewellery silver scales As you can see

As you can see

As to be expected the items age it isn't stamped/hallmarked

The item is made by Shipton & Co

One of the Connemara pieces in one leaf has some chipping on its edge

The item isn't stamped/hallmarked which is common for an item of this age

Vintage 9ct Gold Blue John Ring Solid 9k 9kt 375 Yellow Signet Cabochon Oval Fluorite Bleu Jaune Womens Rare Gemstone Jewelry Jewellery silver scales As you can seeDESCRIPTION: A lovely solid 9ct gold genuine blue john ring. Blue john is an extremely rare mineral and can only be found in Derbyshire in the UK, it's in fact Britain's rarest mineral. The ring sizes at approx. UK P. 5 or US 8 and weighs approx. 1. 56g. It's fully hallmarked for 9ct gold, dating to 2004.