A striking Retro-era circular brooch crafted in platinum and 18K yellow gold, featuring three concentric circles of vibrant blue round-cut sapphires, richly colored ruby baguettes, and sparkling round-cut diamonds. The openwork design combines bold geometric symmetry with a vivid contrast of gemstones, beautifully reflecting the distinctive aesthetic of the Retro period. Measures 35mm in diameter. Center Diamond Weight: 1.00 Measurements: 35mm wide Metal Type: Platinum & 18K Yellow Gold Metal Weight: 12.6 gr. Condition: Excellent. Stock: J10556