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A tourmaline and diamond ring, Nardi centering an elongated marquise-cut greenish blue tourmaline, weighing 6.92 carats, measuring approximately 33.50 x 6.40 x 5.30mm., completed by round brilliant-cut diamond shoulders; unsigned, attributed to Nardi; mounted in platinum.

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An Art Deco platinum and diamond ring, by Cartier, 1920-35. Featuring an exceptional 28.3ct marquise cut diamond from South Africa, set with four triangular cut, eight baguette cut, and 60 round brilliant cut diamonds on the shank and the undercarriage of the mounting in a garland motif. #Cartier #ArtDeco #ring

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A diamond and platinum solitaire ring centering a marquise-cut diamond weighing 10.27 carats within a frame of round brilliant-cut diamonds, completed by diamond shoulders and a plain hoop.

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from UK Wedding Blog Want That Wedding

40 Seriously Swoon-some Engagement Rings YOU Secretly Want

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Marquise-cut pink diamond weighing 5.00 carats, within a brilliant and baguette-cut diamond surround, mounted in platinum.

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Art Deco Platinum, Sapphire, and Diamond Ring, bezel-set with an old marquise-cut diamond, further set with old mine-cut diamond melee, calibre-cut sapphire highlights, millegrain accents.

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