Bonhams will offer a 1924 Boucheron diamond tiara at its London Exceptional Jewels sale, reflecting sustained collector demand for signed vintage jewellery and heritage high-jewellery pieces at intern ...
The WFDB Summit in Gaborone saw Botswana and Angola join as Nation Affiliate Members, highlighting closer collaboration between diamond-producing nations, trading centres and the global natural diamon ...
Bonhams will offer a 1924 Boucheron diamond tiara at its London Exceptional Jewels sale, reflecting sustained collector demand for signed vintage jewellery and heritage high-jewellery pieces at intern ...
Christie’s will offer a 15.49-carat Kashmir sapphire ring at its June 9 Magnificent Jewels auction in New York, highlighting continued global demand for rare coloured gemstones and investment-grade je ...
A sapphire ring sold for more than 21 times its high estimate at Sotheby’s Geneva jewellery auction, underlining continued collector demand for rare coloured gemstones and high-value provenance-led pi ...
