Dark silver Magic Nature Necklace with diamonds

TOUS Magic Nature necklace in dark silver with 4.3 mm oval rings, a pendant with silver vermeil bezel with four 1 mm faceted round black spinels and a 6 mm moon in 0.03 ct single cut IJ/I diamonds. Pendant size: 15 mm. Necklace length: 45 cm, with ring at 40 cm. Sterling silver plated with 18kt gold with a thickness of 3 to 5 microns and with no other metal between them. (Dark Silver: Sterling silver covered with a layer of ruthenium, a mineral that gives strength and shine.) Production technique: Casting