Tourmaline Rubellite Crystal Silver Ivy Pendant Natural Raw L’automne

Patinated silver pendant with natural Tourmaline Rubellite crystal with 100% silk cord from Japan tourmaline crystal of origin - Brazil crystal measurements - 1.02 х 1.65 in / 26 х 42 mm crystal weight - 185 carats pendant weight - 65.24 grams pendant height - 2.68 in / 68 mm Ivy collection

14K yellow gold pendant with natural brown Tourmaline Dravite crystal tourmaline measures - 0.16 х 1.18 in / 4 х 30 mm stone weight - 6.85 carats pendant weight - 2.82 grams pendant ...

Watermelon Tourmaline Pendant Watermelon Tourmaline, 14k Gold Carved watermelon tourmaline horn with floral motif capped in 14k gold and topped with a delicious 5x4 watermelon gem....

This rare pendant was made in Saint Petersburg between 1904 and 1908 by Carl Blank, jeweler of the Russian Imperial Court and Tsar Nicholas II. The pendant is finely crafted in matte platinum (front) and 14K gold (back). It features two excellent red spinels from Burma accented by old mine cut diamonds. The spinels were tested by Swiss Gemmological Institute in Basel (test report no. 87913) and found to be natural and untreated. Estimated total spinel weight is 2.70 carats. Approximate total diamond weight is 3.18 carats. In the early 1900s, platinum was an exotic metal. In Russia, it was rarely used in jewelry (not until 1930s). Apparently only jewelers of the Imperial court like Faberge, Bolin and Blank experimented with platinum. Marked on frame with 56 zolotnik old Russian gold standard (there was no mark for platinum at that time) and on bail with maker’s initials ‘ CB’ for Carl Blank, St. Petersburg assay mark with initials ‘AP’ for assay master Alexander Romanov...