1.55 CARAT ART DECO DIAMOND RING 1622 The center stone on this

The center stone on this lovely ring is a show stopper

The Art Nouveau style dating 1890 to 1910 features organic and sinuous lines among other motifs

20 carats of old mine-cut diamonds

Circa 1860

75 carat old European cut diamond in 18k yellow gold

1.55 CARAT ART DECO DIAMOND RING 1622 The center stone on thisArt Deco engagement ring set with an old mine cut diamond weighing approximately 1. 55 carats with GIA certificate stating the diamond is L color SI2 clarity. The filigree mount additionally set with 4 old European cut diamonds. Set in platinum. Circa 1920. A beautifully detailed Art Deco engagement ring with a collet set center stone and filigree stripes in the platinum mount. Diamond and gold mining has caused devastation in areas such as Africa,