Early Retro 0.35 CTW Diamond Platinum Square Form Engagement Ring Gifts for Mom Stamped PT 950 for platinum

Stamped PT 950 for platinum with Mikimoto makers mark

1 mm round coral cabochon

Brooch designed to commemorate the 1835 viewing of Halley's Comet

With Italian assay marks for Vicenza Italy and 18 karat gold

05 carats total

Early Retro 0.35 CTW Diamond Platinum Square Form Engagement Ring Gifts for Mom Stamped PT 950 for platinumCentering a round brilliant cut diamond weighing approximately 0. 23 carat, K color with SI1 clarity Set low in a square form head pierced with a geometric motif Flanked by stylized bow shoulders with milgrain detail and accented by single cut diamonds weighing approximately 0. 12 carat total; eye clean and white Tested as platinum Circa: 1940 Ring Size: 7 1 4 & sizable down Measures: 6. 0 mm wide and sits 5. 1 mm high Total weight: 2. 3 grams