More than any other gem, each opal is distinctly an individual. No other stone has as rich and varied a folklore. Opals are also the most delicate gems commonly worn. They require special care to insure their health and longevity.

Opal's fire was long thought to be the result of iridescence. However, with the advent of scanning electron microscopes, we now know that it is a result of diffraction.

Opal is relatively soft, with a rating of 5.5-6.5 on the Mohs Scale. Despite its frequent use in rings, opal is a poor choice for a ring stone; it is much better suited to earrings, pins, and pendants.

Major suppliers include Australia, Brazil, Mexico, and the US. Values are normally determined by the presence and nature of color flashes.

An opal doublet consists of a slice of opal glued to a black backing, designed to imitate the appearance of a solid black opal. Adhering the slice of opal to a black backing causes the colour to become much darker and more vibrant. Opal doublets are highly regarded as an inexpensive alternative to solid opals which are very expensive in larger sizes.

Certified Customer Reviews

Overall Rating -> 10

I've been searching on this website for a while, constantly considering different gems. The prices are great, check out and shopping cart are easily readable, product pricing and selection is amazing. Everything is very easy to navigate and easy to understand.

Posted By Hannah S in March, 2021

Source: Bizrate

Overall Rating -> 10

I have ordered from Gem Select before. I was trying to order again but did not find a good selection of rubelitte. I ended up ordering from another company. I told a lot of my clients about your wide selection of amethyst. They could not believe it. These clients have been with me forever. The stones I am buying are for them. They will NEVER believe I went out and bought them stones like this. It would not be possible without you. StarLanka did not have a good selection of amethyst. I guess different companies carry different things.

Posted By Boots in January, 2021

Source: Bizrate

Overall Rating -> 10

gem selection is pretty great, prices are unbelievably low, however the cut of some gems is questionable at best. you have to dig for the good ones, but it’s worth it for the price

Posted By Katie in September, 2021

Source: Bizrate

Overall Rating -> 10

I think it was an easy transaction fine looking gemsstones as well very nice website

Posted By Matt in February, 2021

Source: Bizrate

Overall Rating -> 10

Greatly enjoyed my experience and am impressed as always by the selection available. Really solid website design as well, it’d help for ease of searching if multiple price ranges could be selected or any price range you want.

Posted By Thehuman in December, 2021

Source: Bizrate

Overall Rating -> 9

I wanted something unusual and non traditional for a necklace. Gemselect always seems to have a number of choices that would make a great piece of jewelry!

Posted By Star Viking in March, 2021

Source: Bizrate

Overall Rating -> 10

this is my first time using this site , it was truly a joy, it explained each gemstone their use and value. i have been looking for weeks a site to start my purchase . truly a great find def will spread the word via my social media outlets.

Posted By TEDDY in February, 2021

Source: Bizrate

Overall Rating -> 10

I purchased another kyanite'the intense color saturation of this stone is incredible. The quality was as described and pictured in the photos. Always happy with my purchases!

Posted By Greyghostnh in March, 2021

Source: Bizrate

Overall Rating -> 10

Great to see the exact gem I’m receiving

Posted By Quantum L1on3 in November, 2021

Source: Bizrate

Overall Rating -> 10

I can't wait to see this gem!

Posted By Ahna in September, 2021

Source: Bizrate

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Buy Opal Doublet Gems

1ct Cushion Cabochon Multicolor Opal Doublet from Australia, Dimension 8.2 x 7.1mm, Opaque Clarity, Natural assembled gemstone, 1pc Opal Doublet in Multicolor Color, Mohs Hardness of 5.5 - 6.5

Opal Doublet

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