AN ART DECO DIAMOND BROOCH, BY OSTERTAG Of stylized shield outline, with two pavé-set diamond scrolls enhanced by baguette-cut diamond lines and circular-cut diamond collets to the side, cm, with French assay mark for gold
SAPPHIRE AND DIAMOND BRACELET, OSTERTAG, 1930S Designed as a series of open work geometric plaques, each set with cabochon sapphires and circular- and single-cut diamonds, the arched connecting links set with baguette diamonds, length approximately 180mm, signed Ostertag, France, highly indistinct French assay and maker's marks. Estimate 28,000 — 38,000 CHF 31,609 - 42,899USD LOT SOLD. 40,000 CHF (45,156 USD)
Emerald, enamel and diamond bracelet-watch, 'Dragon', Bulgari 1960s - The articulated body composed of green enameled scale-like links, further highlighted with marquise-shaped diamonds, the head and tail pavé-set with brilliant-cut, marquise- and pear-shaped diamonds, the eyes accented with cabochon rubies, the head further embellished with a pear-shaped emerald and opening to reveal a circular watch, the dial signed Jaeger - LeCoultre, the bezel set with single-cut diamonds - Signed…
diamond bracelet by Cartier. It centers a cushion-cut diamond, with two concentric old mine and old European-cut diamond hexagonal-shaped surrounds. On either side of the center diamond, the bracelet continues with four graduated, overlapping open
Gem set and diamond bracelet, 'Tutti Frutti', Cartier, circa 1935. Of geometric and foliate design, composed of three rows of sapphire beads, the clasp set with carved and cabochon emeralds, cabochon sapphires, rubies and amethysts, square-, circular- and single-cut diamonds.