20 mm Round Gemstones: Topaz, Opals, Garnets, Sapphires, Rubies, Calibrated 20 mm Round Gems
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Welcome to our 20 mm round gemstones collection, featuring a stunning variety of Garnets, Sapphires, Rubies, and Emeralds. Whether you're looking for 20 mm round gems for jewelry making or a special project, our calibrated stones are precision-cut to perfection. Explore our selection of Amethysts, Topaz, Opals, and Aquamarines, all available in a brilliant round cut. Find the perfect 20 mm round jewels to elevate your designs today! |
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Bi-color
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Black
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Blue
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Brown 20 mm Round Gemstones
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Golden
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Gray 20 mm Round Gemstones
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Green 20 mm Round Gemstones
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Multicolor 20 mm Round Gemstones
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Orange
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Pink
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Purple
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Red
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Turquoise
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Violet 20 mm Round Gemstones
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White 20 mm Round Gemstones
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Yellow 20 mm Round Gemstones
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| ID: | 605469 |
| Weight: | 25.03ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VS |
| Content: | 1 pc |
| Price: | $ 105.73 |
| Item in Stock | |
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| ID: | 692707 |
| Weight: | 29.03ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 243.85 |
| Item in Stock | |
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| ID: | 329090 |
| Weight: | 36.10ct |
| Size: | 20 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 50.83 |
| Item in Stock | |
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| ID: | 692709 |
| Weight: | 23.46ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 164.22 |
| Item in Stock | |
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| ID: | 483946 |
| Weight: | 28.16ct |
| Size: | 20 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 41.27 |
| Item in Stock | |
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| ID: | 483836 |
| Weight: | 24.39ct |
| Size: | 20 mm (calibrated) |
| Clarity: | Translucent |
| Price: | $ 35.74 |
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| ID: | 692710 |
| Weight: | 25.91ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 181.37 |
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| ID: | 597474 |
| Weight: | 38.51ct |
| Size: | 20 mm (calibrated) |
| Clarity: | Transparent |
| Content: | 1 pc |
| Price: | $ 84.72 |
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| ID: | 483951 |
| Weight: | 25.73ct |
| Size: | 20 mm (calibrated) |
| Clarity: | Opaque |
| Price: | $ 37.70 |
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| ID: | 483947 |
| Weight: | 24.56ct |
| Size: | 20 mm (calibrated) |
| Clarity: | Opaque |
| Price: | $ 29.99 |
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| ID: | 473135 |
| Weight: | 25.49ct |
| Size: | 20 mm (calibrated) |
| Clarity: | Translucent |
| Content: | 1 pc |
| Price: | $ 24.56 |
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| ID: | 715763 |
| Weight: | 25.46ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 244.42 |
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| ID: | 473128 |
| Weight: | 19.81ct |
| Size: | 20 mm (calibrated) |
| Clarity: | Translucent |
| Content: | 1 pc |
| Price: | $ 15.91 |
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| ID: | 491708 |
| Weight: | 66.67ct (total) |
| Size: | 20 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 78.32 |
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| ID: | 692516 |
| Weight: | 22.21ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS-VS |
| Content: | 1 pc |
| Price: | $ 186.56 |
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| ID: | 618048 |
| Weight: | 26.54ct (total) |
| Size: | 20 mm (calibrated) |
| Clarity: | Translucent |
| Content: | 2 pcs |
| Price: | $ 70.07 |
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| ID: | 693088 |
| Weight: | 26.00ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 218.40 |
| Item in Stock | |
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| ID: | 692711 |
| Weight: | 22.72ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 190.85 |
| Item in Stock | |
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| ID: | 546989 |
| Weight: | 32.21ct |
| Size: | 20 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 25.51 |
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| ID: | 491581 |
| Weight: | 55.11ct (total) |
| Size: | 20 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 64.75 |
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| ID: | 329082 |
| Weight: | 37.62ct |
| Size: | 20 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 57.78 |
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| ID: | 692468 |
| Weight: | 24.79ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS-VS |
| Content: | 1 pc |
| Price: | $ 208.24 |
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| ID: | 692472 |
| Weight: | 23.32ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS-VS |
| Content: | 1 pc |
| Price: | $ 195.89 |
| Item in Stock | |
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| ID: | 491579 |
| Weight: | 65.53ct (total) |
| Size: | 20 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 76.98 |
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| ID: | 483950 |
| Weight: | 25.70ct |
| Size: | 20 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 37.66 |
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| ID: | 693081 |
| Weight: | 26.13ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 219.49 |
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| ID: | 692351 |
| Weight: | 26.62ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS-VS |
| Content: | 1 pc |
| Price: | $ 223.61 |
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| ID: | 716113 |
| Weight: | 23.25ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 223.20 |
| Item in Stock | |
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| ID: | 473131 |
| Weight: | 23.89ct |
| Size: | 20 mm (calibrated) |
| Clarity: | Translucent |
| Content: | 1 pc |
| Price: | $ 23.02 |
| Item in Stock | |
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| ID: | 491572 |
| Weight: | 65.25ct (total) |
| Size: | 20 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 76.66 |
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| ID: | 724826 |
| Weight: | 34.68ct |
| Size: | 20 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 39.54 |
| Item in Stock | |
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| ID: | 497796 |
| Weight: | 33.63ct |
| Size: | 20 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 37.30 |
| Item in Stock | |
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| ID: | 692706 |
| Weight: | 25.45ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 213.78 |
| Item in Stock | |
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| ID: | 692518 |
| Weight: | 23.92ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS-VS |
| Content: | 1 pc |
| Price: | $ 200.93 |
| Item in Stock | |
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| ID: | 692469 |
| Weight: | 25.07ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 210.59 |
| Item in Stock | |
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| ID: | 716435 |
| Weight: | 25.41ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 243.94 |
| Item in Stock | |
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| ID: | 483838 |
| Weight: | 23.26ct |
| Size: | 20 mm (calibrated) |
| Clarity: | Opaque |
| Price: | $ 34.08 |
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| ID: | 692703 |
| Weight: | 24.28ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 203.95 |
| Item in Stock | |
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| ID: | 715348 |
| Weight: | 26.47ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 254.11 |
| Item in Stock | |
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| ID: | 693086 |
| Weight: | 26.15ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 219.66 |
| Item in Stock | |
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| ID: | 492431 |
| Weight: | 14.05ct |
| Size: | 20 mm (calibrated) |
| Clarity: | Translucent |
| Content: | 1 pc |
| Price: | $ 52.85 |
| Item in Stock | |
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| ID: | 693084 |
| Weight: | 26.75ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 224.70 |
| Item in Stock | |
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| ID: | 693085 |
| Weight: | 24.86ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 208.82 |
| Item in Stock | |
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| ID: | 645797 |
| Weight: | 17.88ct |
| Size: | 20 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 10.08 |
| Item in Stock | |
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| ID: | 692349 |
| Weight: | 26.41ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 221.84 |
| Item in Stock | |
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| ID: | 491712 |
| Weight: | 66.33ct (total) |
| Size: | 20 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 77.92 |
| Item in Stock | |
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| ID: | 692708 |
| Weight: | 26.75ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 224.70 |
| Item in Stock | |
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| ID: | 621014 |
| Weight: | 24.86ct (total) |
| Size: | 20 mm (calibrated) |
| Clarity: | Translucent |
| Content: | 2 pcs |
| Price: | $ 65.63 |
| Item in Stock | |
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| ID: | 692704 |
| Weight: | 22.99ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 193.12 |
| Item in Stock | |
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| ID: | 473127 |
| Weight: | 21.88ct |
| Size: | 20 mm (calibrated) |
| Clarity: | Translucent |
| Content: | 1 pc |
| Price: | $ 21.08 |
| Item in Stock | |
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| ID: | 618767 |
| Weight: | 25.78ct (total) |
| Size: | 20 mm (calibrated) |
| Clarity: | Translucent |
| Content: | 2 pcs |
| Price: | $ 68.06 |
| Item in Stock | |
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| ID: | 483944 |
| Weight: | 23.68ct |
| Size: | 20 mm (calibrated) |
| Clarity: | Opaque |
| Price: | $ 34.69 |
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| ID: | 621016 |
| Weight: | 25.42ct (total) |
| Size: | 20 mm (calibrated) |
| Clarity: | Translucent |
| Content: | 2 pcs |
| Price: | $ 67.10 |
| Item in Stock | |
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| ID: | 692705 |
| Weight: | 24.81ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 208.40 |
| Item in Stock | |
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| ID: | 692470 |
| Weight: | 23.66ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS-VS |
| Content: | 1 pc |
| Price: | $ 198.74 |
| Item in Stock | |
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| ID: | 618052 |
| Weight: | 26.25ct (total) |
| Size: | 20 mm (calibrated) |
| Clarity: | Translucent |
| Content: | 2 pcs |
| Price: | $ 69.30 |
| Item in Stock | |
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| ID: | 693083 |
| Weight: | 25.75ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 216.30 |
| Item in Stock | |
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| ID: | 618047 |
| Weight: | 25.88ct (total) |
| Size: | 20 mm (calibrated) |
| Clarity: | Translucent |
| Content: | 2 pcs |
| Price: | $ 68.33 |
| Item in Stock | |
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| ID: | 692515 |
| Weight: | 26.80ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 225.12 |
| Item in Stock | |
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| ID: | 693090 |
| Weight: | 26.02ct |
| Size: | 20 mm (calibrated) |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 218.57 |
| Item in Stock | |
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GemSelect Certified Store Reviews
GemSelect: Over 18 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 10 
I would recommend gem select yo everyone Fast service and no problems
Posted By Steve in March, 2025
Source: Bizrate
Overall Rating -> 10
Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.
Posted By Sina in April, 2025
Source: Bizrate
Overall Rating -> 10
Easy and convenient
Posted By Butch in September, 2024
Source: Bizrate
Overall Rating -> 10
looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..
Posted By Steven M. in February, 2025
Source: Bizrate
Overall Rating -> 9 
I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!
Posted By Leo in March, 2025
Source: Bizrate
Overall Rating -> 10
love these guys been ordering since 2000 maybe
Posted By JHT in April, 2025
Source: Bizrate
Overall Rating -> 10
Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.
Posted By Andie in September, 2024
Source: Bizrate
Overall Rating -> 9
Site is easy to navigate - details on cut, polish, and finish work and techniques were helpful. 3d view or wireframe diagram of stones would be nice.
Posted By Tb in August, 2024
Source: Bizrate
Overall Rating -> 9
I did not have any problems
Posted By Clilrichard in January, 2025
Source: Bizrate
