Large Antique Blue John Orb Pendant black diamonds Some seal wax remains in

Some seal wax remains in the intaglio (

Would make a perfect ring for an engagement and dates to circa 1915

We've kept the patina as found

96ct of Transitional Cut Diamonds

I'm not certain if it's an example of (quite excellent) 19th century humour

Large Antique Blue John Orb Pendant black diamonds Some seal wax remains inDATE: Early 19th Century, c. 1830 A cool and oversized antique orb pendant dating from the early 19th century, circa 1830. It's a good, large size, carved from a single piece of Blue John with the prominent purple and white jagged banding it's known for. The stone aka the Derbyshire Spar is a rare form of fluoride with bands of purple blue and yellow. The origin of the name Blue John is thought to have come from the French bleu et jaune, meaning blue