The Most Valuable Jewels of 2018 by Birthstone

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Sotheby’s top 10 jewels of 2018 are comprised of diamonds, rubies and, of course, Marie Antoinette's pearl, which is now the record for a natural pearl at auction. However, many other stones also achieved phenomenal prices at Sotheby’s this year. If you are curious what the most valuable jewel featuring your birthstone was, we’ve rounded up impressive pieces representing each month’s gem. Click ahead to discover diverse and colorful designs by makers ranging from René Lalique to Wallace Chan. –Stephanie Sporn

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Image: Bulgari, Spectacular gem set and diamond sautoir, 1969-1970. Sold for CHF1,035,000 ($1,028,573) at Sotheby's Geneva.

The Most Valuable Jewels of 2018 by Birthstone