Details of Gemstone
  • There are many sizes to choose from. When you select a gem, its exact size in mm, weight in carats and clarity is written. You can see more details in table below.
  • These are genuine natural solid crystal Opals from Western Australia. These are also known as Fire Opals in Australia. 
  • Pictures are of actual loose gemstones being sold in this listings. Some of the Opals have Play of Colour and some don't have any Play of colour. See table below for details and also see pictures of specific Opals.
  • Each gemstone at ARCGEMS is tested by a qualified Gemmologist, so you can rest in peace that the natural gems you are purchasing are natural. 
  • Beware that there are many sellers who are selling synthetic or imitation Opal gemstones as Natural Gems. 
  • There are Oval, Freeform and Round cut Cabochons in this listing.

Test Report Certificate

Test Report by an Australian Gemologist can be provided at an additional fee. You my buy a Test Report by going to our arcgems eBay store. 

All of our gemstones are checked by a gemologist. So rest assured you are buying gems as described.

Warning: There are many sellers on eBay who sell low quality, fake or imitation gemstones and many times they don't even know it. We strongly suggest to buy natural gemstones only if they are tested & verified by a qualified gemologist.


Shipping

  • Your shipment will NOT be tracked if you select free shipping.
  • We will not be responsible if your item is damaged or lost in post, if your item is not tracked/registered.
  • We combine postage and refund money after you buy, if postage is not free.
  • WARNING: We don't pay for return postage. Please don't buy if you are not unable to pay for return postage, whatever the reason for return.


Clarity Guide

Note that the gemstone pictures are magnified 10 to 100 times, bigger than original size. Therefore, even microscopic dust, scratches, reflections, abrasions and inclusions are seen in the pictures. But such microscopic detail is not visible with naked eyes.

 

Eye Clean  

IF: Eye Clean and 10x Loupe Clean. Inclusions are difficult to find under 10x magnification.

VVS: Noticeable inclusions under 10x Loupe magnification. Eye clean.

VS: Inclusions are very small that are not easily visible to the naked eye.

 

Slightly Included

SI1: Inclusions are visible to the naked eye. These are small or vague and are less than 10 in number.

SI2: Inclusions are visible to the naked eye. These are small or vague and are more than 10 in number.

 

Included

I: Inclusions are prominent to the naked eye and to the point where transparency of stone may be affected.

 


Further Details Related to Listed Gemstones
Note some of the gems listed in table may be sold already
Approx. Size Actual Size Thickness Weight Shape Opal Type Clarity Transparency Colour Play of Color Quality Grade Ebay Text Treatment Origin Notes Quantity
9x8mm 8.9x8mm 3.6mm 1.3ct Freeform, Similar to Pear shape  Solid Fire Opal VS Transparent Smokey No Play of colour Average 8.9x8mm 1.3ct VS None Kalgoorlie, Western Australia Crystal Opal 1
10x6mm 9.6x6mm 3.9mm 1.5ct Oval Solid Fire Opal VS Transparent Light Honey Green, Blue Average 9.6x6mm 1.5ct VS None Kalgoorlie, Western Australia Crystal Opal 1
11x7mm 11x7.4mm 3.5mm 1.78ct Oval Solid Fire Opal SI Transparent Light Honey No Play of colour Good 11x7.4mm 1.78ct SI None Kalgoorlie, Western Australia Crystal Opal 1
12x9mm 11.9x9.4mm 3.8mm 2.9ct Oval Solid Fire Opal VS Transparent Light Honey No Play of colour Good 11.9x9.4mm 2.9ct VS None Kalgoorlie, Western Australia Crystal Opal 1
11mm 11mm 5.7mm 3.85ct Round Solid Fire Opal VS Transparent Honey No Play of colour Good 11mm 3.85ct VS None Kalgoorlie, Western Australia Crystal Opal 1
14x10mm 14x9.6mm 4.4mm 3.92ct Oval Solid Fire Opal VS Transparent Light Honey Faint Blue Good 14x9.6mm 3.92ct VS None Kalgoorlie, Western Australia Crystal Opal 1
17x13mm 16.9x12.5mm 3.7mm 4.15ct Oval Solid Fire Opal VS Transparent Light Honey No Play of colour Good 16.9x12.5mm 4.15ct VS None Kalgoorlie, Western Australia Crystal Opal 1
18x11mm 18x11mm 3.9mm 4.47ct Oval Solid Fire Opal VS Transparent Light Honey No Play of colour Good 18x11mm 4.47ct VS None Kalgoorlie, Western Australia Crystal Opal 1
21x13mm 21x13.2mm 3.3mm 6.54ct Oval Solid Fire Opal VS Transparent Honey No Play of colour Good 21x13.2mm 6.54ct VS None Kalgoorlie, Western Australia Crystal Opal 1
19x14mm 19.2x13.5mm 5mm 8.32ct Oval Solid Fire Opal VS Transparent Smokey No Play of colour Good 19.2x13.5mm 8.32ct VS None Kalgoorlie, Western Australia Crystal Opal 1
22x16mm 22x16mm 3.7mm 9.22ct Oval Solid Fire Opal VS Transparent Light Honey No Play of colour Good 22x16mm 9.22ct VS None Kalgoorlie, Western Australia Crystal Opal 1