A striking statement necklace crafted in rich 18K yellow gold, dating to the 1970s. This architectural design features three vivid pear-shaped emeralds totaling approximately 6.29 carats, each framed in gold and set against a dazzling background of pavé-set round brilliant diamonds (approx. 5.05 carats) and channel-set baguette diamonds (approx. 1.30 carats). The sleek, sculptural collar with its spring-like gas pipe or tubogas motif gives the piece a bold, high-glamour aesthetic emblematic of the era’s luxury jewelry trends. Exceptional craftsmanship and eye-catching contrast make this a collector-worthy treasure.