Gem Shop | Gemstones

View the Gemstone Selling Guide for guidelines when buying and selling gemstones.

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Black Opals

Featured Items

or Make an Offer
Closes 12 Dec 08:00

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Priority Featured Listings

Closes 20 Dec 20:00
Cape Town
Closes 20 Dec 08:30
R33,000.00 or Make an Offer
Closes 29 Dec 14:45
1.75 - 1.99  Pink  Oval  VS
R685.00 or Make an Offer
Closes 16 Dec 14:00
Pretoria / Tshwane
Closes 7 Dec 13:45
Pretoria / Tshwane
Closes 15 Dec 15:45

Featured Listings

R2,100.00 or Make an Offer
Closes 5 Jan 14:00
Closes 21 Dec 21:00
Closes 18 Dec 22:45
Closes 21 Dec 22:30
R2,700.00 or Make an Offer
Closes 12 Dec 08:00
R5,000.00 or Make an Offer
Cape Town
Closes 14 Dec 14:00
R26,000.00 or Make an Offer
Cape Town
Closes 24 Dec 07:30
R26,600.00 or Make an Offer
Cape Town
Closes 26 Dec 21:00
R14,400.00 or Make an Offer
Cape Town
Closes 26 Dec 12:00
1 to 40 of 15739 items.  
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Shop for a variety of gemstones online on bidorbuy. Bidorbuy has a wide range of gemstones available to buy, whether you are a gemologist, jeweller, investor, collector or private buyer. You can buy and shop for quality precious gems such diamond, ruby, sapphire, emerald, Alexandrite and Tanzanite stones. Diamonds of colour D, E, F, G, H, I, J, K, L and M and over are available. Find Yellow, Brown, Clear, Blue, Pink and Red diamonds. You will find flawless stones on our site (F and IF) - as well as VVS1, VVS2, VS1, VS2, SI1, SI2 and I clarities - and maybe even a Pink Star Diamond. Jewels on bidorbuy come in a range of cuts - Asscher, cushion, heart, emerald, marquise, oval, pear, princess, radiant and round. Buy the most brilliant and vibrant blue and purple tanzanite and sapphires also - Bidorbuy has violetish blue and blueish violet Tanzanite. You can buy tanzanite of vB or Bv 5, 4, 3 or lower. Find Eye Clean - EC - Tanzanite or Slightly, Moderately or Heavily Included Tanzanite. We have different carats available from 0.1 carats to stones over 5 carats. New investment stones like Demantoid garnets are also available. Maybe you will be lucky and find something very rare such as jeremejevite, blue garnet, black opal, taaffeite, poudretteite, benitoite, padparasha sapphires, musgravite, red beryl, paraiba tourmaline, jadeite, grandidierite or even a red diamond.