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| Description |
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This natural Multicolor Black Opal originates from Ethiopia and its weight is about 4 carats. The measurements are 15.1mm x 11.15mm x 5.72mm (length x width x depth). The shape/cut-style of this Black Opal is Oval Cabochon. This 4.33ct Black Opal gem is available to order and can be shipped anywhere in the world.
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| Shipping Back To Top |
- FedEx or DHL for $20.00 only / Delivery 3-4 days / fully insured
- Registered Mail for $6.99 / Delivery 7-14 days / insured for $200.00
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| Payment Options |
- Credit Card
- PayPal
- Western Union
- Bank transfer
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| Guarantee / Certification |
- All gemstones are natural!
- All photos and videos are of the actual gem for sale (No Stock Photos)
- We offer certification from AIGS for $20.00 (3-5 additional days)
- We also offer certification from the BGL lab for $15.00 only (1-2 days)
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| Size and Weight Back To Top |
- Gems are always measured in Millimeter (mm)
Compare mm Size with US coins
- Dimensions are given as length x width x depth, except for round stones which are diameter x depth
- Select gems by size, not by weight! Gem varieties vary in density, so carat weight is not a good indication of size
- Note: 1ct = 0.2g
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| Additional Quantities |
- Every item is unique, so you can only order 1 of each item
- However, we often have similar or matching items. If so, we display them on the same gem detail page
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| Clarity Explained Back To Top |
- IF = Loupe Clean - Internally flawless; free of inclusions
- VVS = Almost Loupe Clean - Very, very slight inclusions; inclusions barely seen under 10x magnification
- VS = Eye Clean - Very slight inclusions; inclusions can be seen under 10x magnification
- SI = Slightly included - Small inclusions can be seen with the naked eye
- I1 = Included - Inclusions can be seen with the naked eye
- Transparent = A gemstone having the property of transmitting light without serious diffusion / may have rutile or other inclusions
- Translucent = Allowing light to pass through, but not transparent
- Opaque = Does not allow light to pass through
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| Return Policy |
- All gems have a 30-day inspection period, which begins on the date
of delivery. Gems may be returned for a full refund during this
period.
- Please email us for return authorization code when returning a gem.
- For more details click here
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| Treatment Back To Top | | | Smoked: Smoke treatment is a relatively old method of stone treatment that has just recently been reinvented. The process involves wrapping opals into silver foil strips and slowly heating them, allowing the buildup of smoke inside the foil. Carbon formed by the smoke, penetrates deep into the opal stone and stains the original color with deeper and darker tones. Smoke treatment is intended to give the opal brighter play of color, because the bright colors contrast better on darker backgrounds. More about treatments |
About Black Opal
Black Opal is considered the most valuable of opal varieties. Black Opal contains traces of iron oxide and carbon elements not found in other common opals. These combined elements give black opal the unique color properties it is famed for. Black Opal is mainly found in Lightning Ridge of NSW, Australia. In 2008, New South Wales declared Black Opal as its Official State Gemstone.
Ethiopia is also known to produce treated black opal. The Ethiopian black opal is treated with a smoking process that darkens the color of the opal. The treatment enhances the play of color, rivaling some of Lightning Ridge’s opals. The treated Ethiopian Black Opal is a great value because it sells for much less than Australian Black Opal.
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Customer Reviews
Nice place to shop! Cannot wait to get my gems!
Online Shopper, May, 2013
Source: Bizrate
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Every aspect of GemSelect's market presence is thoughtfully conceived and perfectly executed. Loved the different views of specific stones, search filters, detailed shipping and fulfillment info, and the constant feedback during ...
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The reason I am not interested in an Apple 1 phone is because my job takes me all over the world. I need a phone that I can use in any country. Also when I amoutside working in the sunlight, I cannot see the screen. They have to ...
Online Shopper, June, 2013
Source: Bizrate
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Really good
Online Shopper, February, 2013
Source: Bizrate
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GemSelect earned an Overall Satisfaction rating of 10 out of 10 from this customer.
Online Shopper, June, 2013
Source: Bizrate
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I have made a number of orders from Gem Select and have always been happy with the service and quality of gemstones. They make great gifts for friends and family that may not have heard of many of the stones that they have available. The GemSelect site has a lot of background information on their gems that is very informative and makes the process of deciding on a gemstone easier and more interesting. I subscribed to the GemSelect newsletter which is well written and carries articles on...
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