TLC New vintage jade pendant necklace

TLC New vintage jade pendant necklace Pretty stylized 6 petal flower with 6 beads. Very Symmetrical design. 16 squared prongs add to the flower design. 1 oval jade cabochon: 7x9 mm Looks like rose gold or copper. Overall Pendant: 13x15 mm x 10 mm deep not including bail, including gallery Gallery: 2 mm deep Bail: 5 mm Oval Cable Chain: 16”, 1 mm wide New vintage c. 1970s. Genuine B.C. Jade / Nephrite. Probably gold plate. Hallmark on chain: stylized diamond with “SN” or “NS”. No visible hallmarks on pendant. Note: the gold plate has darkened to look like rose gold or copper. No black marks. But price is reduced.