Bibi Hilton's 2.50ct Oval Cut Diamond, 1.70ctw Ruby, 0.50ctw Round Cut Diamond and 18K Yellow Gold Custom Designed Engagement Ring From Eric Hilton (From the Estate of Mrs. Bibi Hilton) - This lovely ring represents a true love story. This is the engagement ring that was gifted by Hilton hotelier, Eric Hilton, to his soon to be wife Bibi. This ring was custom made and designed by the couple, and features a brilliant use of fiery white diamonds and vivid red rubies. The ring is crafted in 18k yellow gold and boasts a 2.50ct (approximate) oval cut center diamond. The ring is also embellished with approximately 1.70ctw rubies, with round cut rubies surrounding the center diamond and channel set baguettes set into the center of the band. The ring is then finished with approximately 0.50ctw round cut diamond accents lining the edges of the band, completing the design flawlessly. Ring size: 6. Weight: 9.4 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.