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Tiffany & Co. Diamond Platinum Lucida Solitaire Engagement Ring


This gorgeous estate diamond engagement ring is an original Tiffany & Co. design! Named the "Lucida ®" Diamond ring, it features a beautiful mixed cut diamond at the center of a platinum solitaire setting. As described by Tiffany & Co.: "Tiffany proudly named this diamond cut Lucida ®, the brightest star in a constellation. Tiffany’s Lucida ® diamond ring took decades to develop and caused a sensation when it was introduced to the world in 1999. With proud, wide corners, the mixed-cut stone makes a stunning presentation. It commands the eye. Lucida ® is a shining example of perfect proportions." This Lucida® diamond ring features a smooth platinum mounting, suspending the diamond in a simple 4-prong setting. The diamond weighs 0.73ct and has H color and VVS2 clarity. The cut cornered square diamond sparkles radiantly, with a unique arrangement of facets that is exclusive to the Tiffany & Co. Lucida diamond. The shank is signed with the autentic "©TIFFANY & CO. LUCIDA ® PT950" signature hallmark inside. The shank is also marked "Pat 5970744 et al 2727525265 .73CT" Accompanying the ring is an official Tiffany & Co. Diamond Certificate with all related information and the diamond registration number. An outstanding design by a legendary jewelry maker, the Lucida diamond ring is a unique version of a classically beautiful look. It would make a perfect engagement ring for someone special! The ring has a finger size of 5.5, but could be easily re-sized up or down as desired. The diamond's dimensions measure 5.19 x 5.02 x 3.66mm.


  • Condition
    Excellent. The overall condition of the ring is excellent. Besides normal surface wear, there is no apparent damage to the platinum setting or to the diamond, which is intact and secure..
  • Wear
    Wear consistent with age and use.
  • Weight
    0.73 ct
  • Seller location
    Narberth, PA
  • Seller reference number
  • Reference number

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About Tiffany & Co. (Designer)

Tiffany & Co. is one of the most prominent purveyors of luxury goods in the United States, and has long been an important arbiter of style in the design of diamond engagement rings. A young Franklin Delano Roosevelt proposed to his future wife, Eleanor, with a Tiffany ring in 1904. Vanderbilts, Whitneys, Astors and members of the Russian imperial family all wore Tiffany & Co. jewels. And Jacqueline Kennedy Onassis preferred Tiffany china for state dinners at the White House.

Although synonymous with luxury today, the firm started out rather modestly. Charles Lewis Tiffany and John B. Young founded it in Connecticut as a “stationery and fancy goods emporium” in 1837, at a time when European imports still dominated the nascent American luxury market. In 1853, Charles Tiffany — who in 1845 had launched the company’s famed catalog, the Blue Book, and with it, the firm’s signature robin’s-egg blue, which he chose for the cover — shifted the focus to fine jewelry. In 1868, Tiffany & Co. gained international recognition when it became the first U.S. firm to win an award for excellence in silverware at the Exposition Universelle in Paris. From then on, it belonged to the pantheon of American luxury brands.

At the start of the Gilded Age, in 1870, Tiffany & Co. opened its flagship store, described as a "palace of jewels" by the New York Times, at 15 Union Square West in Manhattan. Throughout this period, its designs for silver tableware, ceremonial silver, flatware and jewelry were highly sought-after indicators of status and taste. They also won the firm numerous accolades, including the grand prize for silverware at the Paris Exposition of 1878. Among the firm’s glittering creations from this time are masterworks of Art Nouveau jewelry, such as this delicate aquamarine necklace and this lavish plique-à-jour peridot and gold necklace, both circa 1900.

When Charles Lewis Tiffany died, in 1902, his son Louis Comfort Tiffany became the firm’s design director. Under his leadership, the Tiffany silver studio was a de facto design school for apprentice silversmiths, who worked alongside head artisan Edward C. Moore. The firm produced distinctive objects inspired by Japanese art and design, North American plants and flowers, and Native American patterns and crafts, adding aesthetic diversity to Tiffany & Co.’s distinguished repertoire.

Tiffany is also closely associated with diamonds, even lending its name to one particularly rare and exceptional yellow stone. The firm bought the Tiffany diamond in its raw state from the Kimberley mines of South Africa in 1878. Cut to create a 128.54-carat gem with an unprecedented 82 facets, it is one of the most spectacular examples of a yellow diamond in the world. In a broader sense, Tiffany & Co. helped put diamonds on the map in 1886 by introducing the American marketplace to the solitaire diamond design, which is still among the most popular engagement-ring styles. The trademark Tiffany® Setting raises the stone above the band on six prongs, allowing its facets to catch the light. A lovely recent example is this circa-2000 platinum engagement ring. Displaying a different design and aesthetic (but equally chic) is this exquisite diamond and ruby ring from the 1930s.

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