Smithsonian Magazine on MSN15h
See the Stunning Sapphire Ring Belonging to a Medieval Bishop That Just Sold at Auction
Found by a metal detectorist in England, the item features a sapphire surrounded by two emeralds and two stones that are ...
AuctionDaily3d
The Gladyne K. Mitchell Collection Of Important Estate Jewelry Comes To Turner Auctions + Appraisals On April 5
Turner Auctions + Appraisals is very pleased to present the Gladyne K. Mitchell Collection of Important Estate Jewelry on ...
Artnet News3d
A Medieval Ring, Once Worn by a Bishop, Heads to Auction After Surprise Discovery
An auction of jewelry, silver, and objets d'art at London auctioneer Noonans will be led by a medieval ring worn by an ...
Professional Jeweller6d
Christie’s rings worth over £5m each to headline auction
Christie's will present both The Regent Kashmir and The Regal Ruby set as rings at a live auction at Hong Kong Luxury Week in ...
Gemological Institute of America2d
Heat Treating Ruby and Sapphire: Technical Aspects
Ruby and sapphire of natural or synthetic origin can be heat treated to improve asterism; to remove asterism or silk; to improve, add, or remove color; and even to alter imperfections. At least nine ...
Jeweller2d
A recession-proof playbook for thriving in 2025
The current economic climate presents unique challenges for the jewellery industry. With discretionary spending often the first cut, it's easy to feel the pressure to slash marketing budgets. History ...
Jeweller6d
Rare blue diamond expected to return $30 million
A fancy vivid 10-carat cushion-modified blue diamond – known as the Mediterranean Blue – will appear at Sotheby’s in Geneva on 13 May. As one of the largest ...