![Circa-1900 pin with large demantoid garnet and ruby accents, estimated at $20,000-$24,000](https://www.liveauctioneers.com/news/wp-content/uploads/2023/05/152766304_1_x.jpg)
NEW YORK – A platinum and diamond necklace with 8.50 carats of Colombian emeralds; a Cartier Art Deco emerald, diamond and platinum ring; and a circa-1900 pin sporting a large apple green demantoid garnet and ruby accents will compete for top-lot status at Jasper52’s Estate Jewelry Auction. It will be conducted on Sunday, May 21, beginning at 8 pm Eastern time. Absentee and Internet live bidding will be available through LiveAuctioneers.