From the collection of the Hallwyl Museum, Stockholm, Sweden. Gold and silver ring with diamonds and a table-cut emerald, Germany, mid-18th century.

Not surprisingly, cultures from all over the world have developed a rich folklore around emeralds, and stories of famous emeralds have captivated people for centuries. Emerald is also the birthstone for May as well as the 20th and 35th wedding anniversary stone. CommentsĮmeralds have fascinated people since ancient times. Emeralds, 3.7 x 2.5 x 1.7 cm (larger crystal 2.5 cm in length), Muzo Mine, Boyaca Dept., Colombia. Emerald crystal on calcite, 4.6 x 3.2 x 2.6 cm, Cosquez Mine, Boyaca Dept., Colombia. Used with permission.įor more information on emerald value factors, consult our emerald buying guide, engagement ring guide, and appraisal guide. However, they can also give each emerald a unique appearance. An emerald’s inclusions can impact not only its clarity but also its structural integrity. Top quality, unenhanced stones (with certification) can bring as much as 50% more in price than treated stones of the same size, color, and clarity. Used with permission.Ĭlarity is important, but inclusions are tolerated more in emeralds than virtually any other gem. A beautiful 1.03-ct oval emerald is framed by gold leaves in this romantic, natural setting. The most desirable color is a slightly bluish green in a medium dark tone with strong to vivid saturation. Value factors hinge largely on color, with nuances of saturation and hue affecting price to a significant degree. For example, a recent price guide lists a fine quality 3-ct Colombian stone as six times more valuable than three equivalent quality 1-ct stones. Like many stones, the per-carat price of fine quality emerald escalates rapidly with size.

Emerald green sapphire