Bibi Hilton's 1.00ctw SI1-SI2/G-H Diamond, 18mm Onyx and 18K Yellow Gold Vintage Ring (From the Estate of Mrs. Bibi Hilton) - This lovely vintage ring was owned and worn by Mrs. Bibi Hilton while traveling the globe working alongside her husband, Eric Hilton, of the Hilton hotel family. The ring is crafted in 18k yellow gold and has a ribbed design around the perimeter, and a flat surface on the top which boasts an 18mm onyx cabochon. The onyx is surrounded by a halo of approximately 1.00ctw SI1-SI2/G-H brilliant round cut diamond accents, completing the piece beautifully. Ring top dimensions: 27mm x 18mm. Ring size: 5.5. Weight: 19.7 grams. This item comes directly from the estate of Mrs. Bibi Hilton. Mrs. Hilton was the wife of famed Hilton hotelier and heir Eric Hilton of the Hilton Hotel family, the youngest grandson of Conrad Hilton. As the wife of Eric Hilton, Bibi Hilton traveled the world as a goodwill ambassadress for the Hilton Hotel chain. For over three decades, until his death, Bibi worked alongside her husband as his partner further branding the Hilton name to the internationally iconic status it is today. Bibi Hilton's brother-in-law, Barron Hilton, often acknowledged her as one of the Hilton Hotels Corporation's greatest assets. Each buyer will receive an appreciation letter from the estate of Bibi Hilton for participating in Mrs. Hilton's auction.