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Natural gemstones selected with gemological care

Compare colour, quality, treatment information and budget with guidance from our team.

Ruby Sapphire Emerald Alexandrite Diamond

Phenomena Gems

Phenomenal gems are gems that show unusual optical effects caused by reflection, interference and refraction usually from oriented inclusions. For example, the play-of-colour in opal is caused by interference, others like star ruby, star sapphire, cat’s eye chrysoberyl are caused by the internal reflection of needle-like inclusions, etc.

Other phenomena gems include color change garnet, alexandrite, moonstone, opal, hackmanite, chameleon diamonds!

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Star Ruby 2.34 ct - product photograph

Star Ruby 2.34 ct

$2,106.00

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White Opal, Oval 0.80 ct Lightning Ridge - product photograph

White Opal, Oval 0.80 ct Lightning Ridge

$500.00

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Black Opal, Australia, 0.78 ct - product photograph 1

Black Opal, Australia, 0.78 ct

$273.00

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Alexandrite 1.09 ct - product photograph 1

Alexandrite 1.09 ct

$5,341.00

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