VINTAGE BLACK ONYX, JET AND DIAMOND GEOMETRIC LINK NECKLACE SUSPENDING OVAL PENDANT. Eighteen shaped oblong links, eight set with old European round cut diamond raised in white gold bezel (one diamond missing); pendant has locket back (missing window crystal), with applied leafy branch motif set with 21 round diamonds, and four additional diamonds near loop. - Necklace, L: 24" ; Pendant, L:1 5/8". Estimate $500-700
