Ruby Cabochon - Height: 8.7 mm - Width: 8.4 mm- 1.04 g - (1)
04
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16
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Starting bid
€ 1
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Selected by Antonio Rapisarda
Holds a master’s in chemistry with 25 years’ experience in minerals consulting.
Estimate € 170 - € 200
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Natural star ruby cabochon from Thailand, weighing 5.2 carats (1.04 g) with an oval 8.7 × 8.4 × 5.8 mm cut, showing a 6-ray asterism under direct light; no evidence of treatment and supplied with a natural certificate.
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Description from the seller
Up for sale is a highly exceptional, 100% natural Star Ruby from Thailand, weighing 5.2 carats. This collector's piece features a beautiful, full oval cabochon cut (8.7 x 8.4 x 5.8 mm). The unique characteristic of this gemstone is its mystical optical phenomenon: under a direct light source (such as sunlight or a flashlight), a stunning 6-ray star (asterism) comes alive on its surface. A true rarity and a magnificent choice for a high-end collector or as the centerpiece of a bespoke, custom-made ring or pendant.
Gemstone Technical SpecificationsParameterDescriptionDimensions8.7 x 8.4 x 5.8 mm (Length x Width x Depth)ClaritySemi-translucent (Félig áttetsző). Contains natural, microscopic rutile needle inclusions ("silk") required to produce the star effect, giving the stone a rich, mystical depth.Colour detailsDeep purplish-red / pinkish-red (classic Thailand ruby hue) with a prominent, well-defined 6-ray asterism (optical star effect) that moves gracefully across the surface under a direct light source.LustreVitreous to silky, beautifully enhanced by the smooth, high-dome oval cabochon finish.Condition descriptionExcellent condition. Brand new and never set. No scratches, cracks, or visible chips. The surface is perfectly polished with no signs of wear.TreatmentsNo evidence of treatment (100% Natural, Unheated). Free from any glass-filling, flux, or diffusion enhancements. Natural certificate is included as proof.
Up for sale is a highly exceptional, 100% natural Star Ruby from Thailand, weighing 5.2 carats. This collector's piece features a beautiful, full oval cabochon cut (8.7 x 8.4 x 5.8 mm). The unique characteristic of this gemstone is its mystical optical phenomenon: under a direct light source (such as sunlight or a flashlight), a stunning 6-ray star (asterism) comes alive on its surface. A true rarity and a magnificent choice for a high-end collector or as the centerpiece of a bespoke, custom-made ring or pendant.
Gemstone Technical SpecificationsParameterDescriptionDimensions8.7 x 8.4 x 5.8 mm (Length x Width x Depth)ClaritySemi-translucent (Félig áttetsző). Contains natural, microscopic rutile needle inclusions ("silk") required to produce the star effect, giving the stone a rich, mystical depth.Colour detailsDeep purplish-red / pinkish-red (classic Thailand ruby hue) with a prominent, well-defined 6-ray asterism (optical star effect) that moves gracefully across the surface under a direct light source.LustreVitreous to silky, beautifully enhanced by the smooth, high-dome oval cabochon finish.Condition descriptionExcellent condition. Brand new and never set. No scratches, cracks, or visible chips. The surface is perfectly polished with no signs of wear.TreatmentsNo evidence of treatment (100% Natural, Unheated). Free from any glass-filling, flux, or diffusion enhancements. Natural certificate is included as proof.
Details
Number of objects
1
Main mineral
Ruby
Mineral form
Cabochon
Weight
1.04 g
Country of origin
Thailand
Height
8.7 mm
Width
8.4 mm
Depth
5.8 mm
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Disclaimer
It is believed that certain gemstones and minerals have beneficial health and spiritual properties. However, using or wearing gemstones or minerals does not mean that you can treat, cure or prevent any disease. Please consult your health care professional for information on health care issues and do not stop any medications or courses of treatment, without first consulting your health care professional. The use of gemstones or minerals as a wellness therapy is one of personal choice. While stones or crystals have been used historically to relieve or prevent symptoms, the objects sold on our website offer no guarantee of results. Therefore, Catawiki cannot guarantee or be held liable for the effectiveness of these objects sold herein.
It is believed that certain gemstones and minerals have beneficial health and spiritual properties. However, using or wearing gemstones or minerals does not mean that you can treat, cure or prevent any disease. Please consult your health care professional for information on health care issues and do not stop any medications or courses of treatment, without first consulting your health care professional. The use of gemstones or minerals as a wellness therapy is one of personal choice. While stones or crystals have been used historically to relieve or prevent symptoms, the objects sold on our website offer no guarantee of results. Therefore, Catawiki cannot guarantee or be held liable for the effectiveness of these objects sold herein.
