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Nearly a multicolor sapphire. Uncommon shape for a sapphire. more

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Sapphire magic. A multidimensional waterlily shows only under the lens or the microscope. It is beautiful to see and testifies to the unheated natural state of the sapphire. A remarkable gem even for the distinguished collector of untreated gemstones. more

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Pretty perfect Montana sapphire just between green and yellow. Masterfully diamond cut with great luster. Beautiful to see under the lens, magic in jewelry. Extraordinarily clean and crisp. more

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Finest hessonite from Sri Lanka in the most luxurious of all cuts - princess. Recut from 6 carat cushion. Earthy and yet intense hue. Typical hessonite swirls. No inclusions. Hessonite comes loaded with ancient myths and has been a famous healing gem... more

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Given that 80% of all rough rubies end up oval, it is a pleasure to see a marquise cut. Rich color and clarity. Even a pro with a lens would have a hard time spotting a tiny feather in the outer tip. Great ruby for a pendant or an extraordinary ring... more

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3rd party certified chrome diopside at its Sunday best. Stunning greener than green and free of inclusions. Beats any emerald and does not cost a fortune. Only chrome gives this density. Great deal in green gemstones. more

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Camera-shy as many light pink tourmalines but quite charming in person. The camera and the lens pick up some swirly inclusions but the checkerboard cut hides them from the unaided eye. Great value for Mozambique tourmaline in this size. Better than... more

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Cut to match for a pair of earrings from the most elusive of all gemstones. A perfect hot pink intensified with orange. Beaming in sunlights and always ready to glitter. Only the lens reveals some minor inclusions. more

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Cognac colored sapphire. Some window. Rich autumnal color combination of yellow, brown and a tint of orange and green. more

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Pair of gorgeous fat green round brilliant Demantoids. Rare in this size and quality. Great investment in eternal beauty. more

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Strong deep sea blue with a twist of night: One third of the gem turns green-blue in tungsten light. A first for us: color zone changer - just when one thinks to have seen it all…In daylight a perfect rich marine blue, less included and better colored... more

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Extremely fascinating change from a golden yellow to a reddish purple. Often showing both colors at the same time. Outstanding clean stone with only one hardly perceivable lens-only water lily on the back of the stone. Perfect crystal. Rare serious... more

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The king of spinels in cobalt blue. No visible inclusions. more

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Burmese jade in the most desired rich emerald green. Certified natural untreated Jadeite. Radiates mature and tranquil luxury. more

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The color is a classic Montana mix of cold green and blue. Though silky, it shows a remarkably high brilliancy. more

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No inclusions. The color is an earthly greenish yellow as one might expect from a mature blossom in autumn. more

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One of the best star rubies available in recent years. Especially its lush cherry red in combination with a semi-translucent body is extremely rare. The asterism is pretty perfect and (this is a first time for us) runs through on both sides of the... more

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Matching pair of untreated white sapphires with the slightest, hardly visible as in image, tint of blue. Good luster and brilliancy in hard-to-find corundum shape. Excellent twin-like pair for earrings or as sidestones in a set. Fine alternative to... more

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This gem is extremely rare in any size. Clinohumite is rather included but here there are only colorless bubbles giving the gem an especially mystical gleam. A prize for any gem collection. more

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Cut to match master sparklers. Free of inclusions and precision cut. more