Precious topaz and diamond cluster ring, circa A yellow gold and platinum ring set with one central rectangular emerald-cut precious topaz in a yellow gold claw setting with an approximate weight of carats, encircled by a scalloped border of twe
A SAPPHIRE AND DIAMOND RING, BY OSCAR HEYMAN BROTHERS Set with a rectangular-cut sapphire weighing carats, within a baguette-cut diamond frame, to the trapezoid and rectangular-cut diamond shoulders, mounted in platinum With jeweller's mark for Oscar
Diamond ring by Van Cleef & Arpels. Set with a cut-cornered rectangular step-cut diamond weighing carats, between tapered baguette diamond shoulders, mounted in platinum, size signed Van Cleef & Arpels and numbered, French assay and maker's marks.
Art Deco 1.85ct Diamond Ruby Platinum Ring, This is an impressive platinum ring from the Art Deco period. The ring is centered with sparkling round cut diamond that weighs approximately 1.85ct. The center diamond is accentuated by lovely french calibre cut rubies that weigh approximately 2.70ct and sparkling round cut diamonds that weigh approximately 1.00ct