An extremely rare blue diamond ring will lead Bonhams Fine Jewelry. The ring was made circa 1965 and is estimated to fetch $2,000,000 at auction.
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Leigh Jay Nacht Inc. - Art Deco Engagement Ring
A Twin-Stone Diamond and Platinum Ring, Birks The Toi et Moi design with floral motif set with a round diamond weighing 3.36 carats and a round diamond weighing 2.56 carats, accented by baguette, marquise-cut and round diamonds, mounted in platinum
Art Deco Asscher Cut Diamond Ring of 2.53 Carat circa 1935