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Natan Joias Tsavorite Garnet Sapphire Diamond Hoop Drop Earrings Black Gold 1990

About the Item

Natan Joias Vintage Tsavorite Garnet, Sapphire and Diamond Hoop Earrings in 19.2 Karat Black Rhodium-Plated Gold, Brazil, 1990s. Each earring is composed of a circular surmount suspending an openwork hoop drop. The top part is pave-set throughout with one rose-cut diamond amidst 15 circular-cut green tsavorite garnets; and the openwork O-shaped hoop drop is accented with rose-cut and round brilliant-cut diamonds, circular-cut blue sapphires and circular-cut green tsavorite garnets, all stones pave-set and flush-set throughout in an arbitrary arrangement to create an organic design. Signed "NATAN"; Italian (Milan) maker's mark "1489 MI"; later Lisbon control mark for 19.2kt gold (800/1000); Lisbon sponsor's mark "P". Dimensions: 7.4 x 2.6 cm. Gross weight: 29.7g. Tsavorite and demantoid are proof that not all garnets are common, red, and inexpensive. These large, fine-quality green garnets are among the rarest and most valuable colored gems. Tsavorite, a grossular variety discovered in the 1960s, is today’s most important green garnet. It’s actively marketed by gemstone cutters and dealers with links to East Africa’s supply of rough. Small, calibrated tsavorite can be used as a less-expensive alternative to emerald because it’s more consistent in color, more brilliant, and easier to match. It’s also less included and more durable than emerald, and seldom treated. Tsavorite’s attractive color results from traces of vanadium in the gem’s crystal structure. Dealers place the highest value on strongly saturated gems with medium to medium-dark tone. Tsavorite garnets: approximately 2.70 carats in total; vivid green color. Sapphires: approximately 1.20 carats in total; intense to vivid royal blue color. Diamonds: approximately 0.60 carats in total; F/G color; VS clarity. Founded in 1956 by Natan Kimelblat, Natan Joias is a prestigious Brazilian fine jeweler who quickly gained worldwide popularity for their highly creative jewelry collections. Natan closed operations in 2014, which is creating an increasing interest for their fashionable and highly collectible jewels. This item is in good condition, with marks and scratches consistent with general age and wear. Antique, period and vintage pieces, both signed and unsigned, are being offered as worn. Unless otherwise stated, all weights and quality factors have been graded as mounting permitted and using classic gemology and standard gemological equipment. Assessments related to period of manufacture or geographic origin of gemstones are expert opinions and may differ from the assessments provided by other professionals. Colors in the pictures/videos might slightly differ from the colors in real life. For additional information or clarification, please get in touch and our in-house team of expert GIA Graduate Gemologists and Registered Appraisers/Valuers will be happy to help.
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