Gem Shop | Gemstones

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

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  2. Gemstones & Rocks
  3. Semi-Precious Gems (17782)
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Fancy
Tanzanite
Black Opals
Alexandrite

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  • All Items (17782)
  • Auction (13989)
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Priority Featured Listings

R150,000.00
Pennington
Closes 20 Feb 19:30
R3,400.00
Cape Town
Closes 8 Feb 08:00
R3,250.00
Cape Town
Closes 10 Feb 08:00
R6,000.00 or Make an Offer
Johannesburg
Closes 4 Mar 14:30
R1,699.00
Durban
Closes 7 Feb 20:45
R5,500.00
Cape Town
Closes 15 Feb 10:00
R3,600.00
Cape Town
Closes 23 Feb 09:45
R4,400.00
Cape Town
Closes 10 Feb 08:00
R37,000.00 or Make an Offer
Cape Town
Closes 23 Feb 20:45
R44,000.00 or Make an Offer
Cape Town
Closes 23 Feb 20:45

Featured Listings

R26,400.00 or Make an Offer
Cape Town
Closes 27 Feb 07:30
R34,020.00 or Make an Offer
Cape Town
Closes 27 Feb 07:30
R37,500.00 or Make an Offer
Cape Town
Closes 27 Feb 07:30
1 to 40 of 17782 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.