TIFFANY & Co. Vintage 18kt Onyx Knot Clip-On Earrings Opal while the diamond is bead

while the diamond is bead set in an octagonal box setting

The smaller studs have a 1/4" face and their pin measures 1" long

Stamped along the inside of the bracelet is a "PLAT" purity mark

and a loop at the top allows it to be worn as a pendant

swinging with lovely movement

TIFFANY & Co. Vintage 18kt Onyx Knot Clip-On Earrings Opal while the diamond is beadA very bold and beautiful pair of Vintage signed Tiffany & Co. earrings from the 1970s era! Crafted in 18kt yellow gold, these fabulous earrings are substantial in size and have a wonderful intertwining knot design. The surface of each earring is comprised of inlaid carved onyx, which carries along the entire front surface, resembling the interlocking strands that create the knot. The onyx has a gorgeous, rich black color and a high polished finish