GemSwapperMarketplace
Discover gemstones
Browse stones from sellers, described in one shared gemological language. Filter by what matters, or tell us what you need and we'll source it.
38 stones available
- Rough
50.8 ct Rough Aquamarine
Light greenish blue
- Weight
- 50.8 ct
- Cut
- Rough crystal
Heat$102–$125 / ct
Est. $5,182–$6,350 total · negotiable
- Rough
24.4 ct Rough Spessartite Garnet
Medium-light orange
- Weight
- 24.4 ct
- Cut
- Rough crystal
No indications of treatmentReported: Madagascar$427–$520 / ct
Est. $10,419–$12,688 total · negotiable
- Loose
4.90 ct Tanzanite · Pear Brilliant
Medium-dark violetish blue
- Weight
- 4.90 ct
- Cut
- Pear · Brilliant
Heat$578–$703 / ct
Est. $2,832–$3,445 total · negotiable
- Rough
31.1 ct Rough Amethyst
Medium-dark reddish purple
- Weight
- 31.1 ct
- Cut
- Rough crystal
No indications of treatmentReported: Uruguay$30–$37 / ct
Est. $933–$1,151 total · negotiable
- Rough
24.3 ct Rough Sapphire
Medium violetish blue
- Weight
- 24.3 ct
- Cut
- Rough crystal
No indications of treatmentReported: Kashmir$1,797–$2,188 / ct
Est. $43,667–$53,168 total · negotiable
- Loose
5.20 ct Tanzanite · Emerald Brilliant
Dark violetish blue
- Weight
- 5.20 ct
- Cut
- Emerald · Brilliant
HeatReported: Tanzania$584–$711 / ct
Est. $3,037–$3,697 total · negotiable
- Rough
23.0 ct Rough Spinel
Medium-light reddish pink
- Weight
- 23.0 ct
- Cut
- Rough crystal
No indications of treatmentReported: Vietnam$678–$825 / ct
Est. $15,594–$18,975 total · negotiable
- Rough
16.4 ct Rough Garnet
Medium-dark green
- Weight
- 16.4 ct
- Cut
- Rough crystal
No indications of treatmentReported: Tanzania$268–$326 / ct
Est. $4,395–$5,346 total · negotiable
- Rough
6.3 ct Rough Tsavorite Garnet
Medium green
- Weight
- 6.30 ct
- Cut
- Rough crystal
No indications of treatmentReported: Kenya$1,225–$1,492 / ct
Est. $7,718–$9,400 total · negotiable
- Rough
8.4 ct Rough Ruby
Medium purplish red
- Weight
- 8.40 ct
- Cut
- Rough crystal
HeatReported: Myanmar$2,048–$2,493 / ct
Est. $17,203–$20,941 total · negotiable
- Rough
28.8 ct Rough Tourmaline
Medium-dark bluish green
- Weight
- 28.8 ct
- Cut
- Rough crystal
No indications of treatmentReported: Brazil$132–$161 / ct
Est. $3,802–$4,637 total · negotiable
- Rough
54.5 ct Rough Amethyst
Medium reddish purple
- Weight
- 54.5 ct
- Cut
- Rough crystal
No indications of treatmentReported: Zambia$21–$25 / ct
Est. $1,145–$1,363 total · negotiable
Can't find the right stone?
Describe it once. We match it against sellers and alert you when it appears.