Gem Shop | Gemstones

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

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  3. Semi-Precious Gems (17233)
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Black Opals

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Priority Featured Listings

R39,990.00 or Make an Offer
Cape Town
Ends 8 Aug 12:00
Cape Town
Ends 21 Aug 04:45
Ends 21 Aug 20:15
R69,990.00 or Make an Offer
Cape Town
Ends 24 Aug 16:45
R100,000.00 or Make an Offer
Ends 8 Aug 14:45
Oval  Blue(Intense)  Natural  Eye Clean  More than 10
R49,990.00 or Make an Offer
Cape Town
Ends 5 Aug 09:15
R24,990.00 or Make an Offer
Cape Town
Ends 22 Aug 10:30
Ends 18 Aug 20:15
Cushion  Violet(Vivid)  Natural  Eye Clean  More than 10
R59,990.00 or Make an Offer
Cape Town
Ends 8 Aug 13:00
R3,900.00 or Make an Offer
Ends 29 Aug 17:00
1.75 - 1.99  Yellow  SI1  Oval  Enhanced
Ends 15 Aug 22:15
2.00 - 4.99  Pink  SI1  Oval  Natural
Ends 9 Aug 14:15
1 to 40 of 17233 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.