Multicolour Opal - 17.65 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Fine Color Quality
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Opal pear-shaped cabochon of 17.65 ct (21.95 × 20.33 × 8.13 mm) with multicolour opalescence; cut grade Excellent; no evidence of treatment; ALGT Certificate Report no. 56816811.
AI-assisted summary
Description from the seller
Opal Pear Shape Cabochon. Great Size - Fine Color Quality.
Weight: 17.65 ct
Size: 21.95 x 20.33 x 8.13 mm.
Color: Very light orange with a vivid play of colors.
Luster: Multicolor.
Treatment: No indications of treatment.
ALGT Certificate Report no. 56816811.
Top gem with all it's qualities—Big size, perfect for a centerpiece—Top luster—The lab mentioned it as a 'Fine Color Quality' gem ---Don't miss it!
Unique to Opal, ‘play of color’ is the attractive flashes of colorful brilliance that change with the angle of observation. An Opal with a play of color with three or more hues is called ‘a multicolor’. October’s birthstone, Opal, comes from the Greek ‘opallios’, meaning ‘to see a change
Shipment with a reliable service provider will be trackable and insured.
Duties and taxes will be the Buyer's responsibility.
IMPORTANT: The pictures were taken under white and yellow light with magnification on dark backgrounds, intended to be displayed as accurately as possible. We have tried to capture as many real colors/lusters as possible, but they may differ slightly.
Opal Pear Shape Cabochon. Great Size - Fine Color Quality.
Weight: 17.65 ct
Size: 21.95 x 20.33 x 8.13 mm.
Color: Very light orange with a vivid play of colors.
Luster: Multicolor.
Treatment: No indications of treatment.
ALGT Certificate Report no. 56816811.
Top gem with all it's qualities—Big size, perfect for a centerpiece—Top luster—The lab mentioned it as a 'Fine Color Quality' gem ---Don't miss it!
Unique to Opal, ‘play of color’ is the attractive flashes of colorful brilliance that change with the angle of observation. An Opal with a play of color with three or more hues is called ‘a multicolor’. October’s birthstone, Opal, comes from the Greek ‘opallios’, meaning ‘to see a change
Shipment with a reliable service provider will be trackable and insured.
Duties and taxes will be the Buyer's responsibility.
IMPORTANT: The pictures were taken under white and yellow light with magnification on dark backgrounds, intended to be displayed as accurately as possible. We have tried to capture as many real colors/lusters as possible, but they may differ slightly.
Details
Gemstone type
Opal
Total carat weight
17.65
Gemstone colour
Multicolour
Optical effect
Opalescence
Cut grade
Excellent
Treatment
No evidence of treatment
Laboratory Report
Antwerp Laboratory for Gemstone Testing (ALGT)
Sealed by laboratory
No
Title additional information
Fine Color Quality
Shape
Pear
Cutting style
Cabochon cut
Disclaimer
Catawiki always aims to offer you the best possible buying experience. Our experts virtually review and select every object in line with our submission guidelines. While we strive to provide a detailed description and photographs of each jewellery object, discrepancies or inaccuracies may occur. It is your responsibility to review all of the information provided about an object, including the condition and description, before placing an order. Sellers are responsible for the information, pictures and description provided, including the quality, quantity and nature of the jewelry supplied. A small imperfection that cannot be seen in the photo but is included in the description is not a non-conformity. A Lab Report is not a guarantee, valuation or appraisal regarding the articles described therein. A Lab Report contains only the characteristics of an article described after it has been graded, tested, examined, and analyzed using the techniques and equipment used at the time of the examination from that specific Lab. The results of any other examination performed on the article may differ depending when, how, by whom and with which grading standard the article is examined. In addition, any changes and improvements in techniques and equipment that may have occurred which may enable the examiner to detect, among other things, the use of processes for altering the characteristics of an article which use was previously undetectable, does not automatically mean the object does not conform to its description.
Catawiki always aims to offer you the best possible buying experience. Our experts virtually review and select every object in line with our submission guidelines. While we strive to provide a detailed description and photographs of each jewellery object, discrepancies or inaccuracies may occur. It is your responsibility to review all of the information provided about an object, including the condition and description, before placing an order. Sellers are responsible for the information, pictures and description provided, including the quality, quantity and nature of the jewelry supplied. A small imperfection that cannot be seen in the photo but is included in the description is not a non-conformity. A Lab Report is not a guarantee, valuation or appraisal regarding the articles described therein. A Lab Report contains only the characteristics of an article described after it has been graded, tested, examined, and analyzed using the techniques and equipment used at the time of the examination from that specific Lab. The results of any other examination performed on the article may differ depending when, how, by whom and with which grading standard the article is examined. In addition, any changes and improvements in techniques and equipment that may have occurred which may enable the examiner to detect, among other things, the use of processes for altering the characteristics of an article which use was previously undetectable, does not automatically mean the object does not conform to its description.
