Pretty Art Deco 1.58 CTW Diamond Platinum Halo Engagement Ring chain necklace 1 mm wide and sits

1 mm wide and sits 5

with concealed clasp and figure-eight safety

Maker's mark for Fred Leighton

Centering a cushion cut and bezel set London blue topaz

Pretty Art Deco 1.58 CTW Diamond Platinum Halo Engagement Ring chain necklace 1 mm wide and sitsHalo style ring centering a bezel set old European cut diamond weighing approximately 1. 10 carats, H color with VS2 clarity Surrounded by a cut corner halo, bead set with single cut diamonds weighing approximately 0. 48 carat total; G to I color with VS to SI clarity (mostly VS) Completed by milgrain edges, pierced scalloped gallery, and a deeply grooved shank Tested as platinum Circa: 1930s Ring Size: 7 (sizable but would lose groove at base of