Art Deco Platinum Sapphire, Onyx and Diamond Bar Pin

One Art Deco bar pin crafted in platinum with an 18K yellow gold pin portion (Stamped: 750), featuring three rectangular-cut sapphires with a combined approximate total weight of 0.30 carats. The design is further accented by forty-six old European, single-cut, and rose-cut diamonds with a total approximate weight of 1.50 carats, exhibiting H color and SI-1 clarity.

The pin also incorporates black sardonyx segments, adding bold contrast typical of the Art Deco period.

The piece weighs 6.5 grams and measures approximately 3 inches in length and 10 millimeters wide at the center. Estimated to be from the 1920s, the pin is a fine example of period craftsmanship and geometric design, characteristic of early 20th-century jewelry.