Welcome to the official online store of Global Gemology!

Collection: Loose Gems

Browse our selection of loose gemstones. Whether you're a designer or collector, these gems have been evaluated by a Graduate Gemologist (GG), Certified Master Appraiser (CMA), Registered Gemologist Appraiser (RGA), and Applied Jewelry Professional (AJP).

GIA 25.77 ct. Natural Melo Melo Pearl

GIA 25.77 ct. Natural Melo Melo Pearl

Regular price $20,000.00 USD

Regular price Sale price $20,000.00 USD
Unit price per
GIA 4.57 ct. Natural No Heat Peach Sapphire

GIA 4.57 ct. Natural No Heat Peach Sapphire

Regular price $4,250.00 USD

Regular price Sale price $4,250.00 USD
Unit price per
5.94 ct. Natural Quahog Pearl

5.94 ct. Natural Quahog Pearl

Regular price $2,750.00 USD

Regular price Sale price $2,750.00 USD
Unit price per
GIA 3.04 ct. Natural No Heat Very Light Blue Sapphire

GIA 3.04 ct. Natural No Heat Very Light Blue Sapphire

Regular price $2,750.00 USD

Regular price Sale price $2,750.00 USD
Unit price per
GIA 4.27 ct. Purple-Pink Natural Sapphire

GIA 4.27 ct. Purple-Pink Natural Sapphire

Regular price $2,500.00 USD

Regular price Sale price $2,500.00 USD
Unit price per
GIA 2.82 ct. Natural No Heat Pinkish Purple Spinel

GIA 2.82 ct. Natural No Heat Pinkish Purple Spinel

Regular price $2,000.00 USD

Regular price Sale price $2,000.00 USD
Unit price per
GIA 2.59 ct. Natural No Heat Purplish Pink Spinel

GIA 2.59 ct. Natural No Heat Purplish Pink Spinel

Regular price $1,999.00 USD

Regular price Sale price $1,999.00 USD
Unit price per
2.12 ct. Natural Pink Conch Pearl

2.12 ct. Natural Pink Conch Pearl

Regular price $1,900.00 USD

Regular price Sale price $1,900.00 USD
Unit price per
1.88 ct. Natural Quahog Pearl

1.88 ct. Natural Quahog Pearl

Regular price $1,500.00 USD

Regular price Sale price $1,500.00 USD
Unit price per
3.81 ct. Natural Rubellite

3.81 ct. Natural Rubellite

Regular price $1,500.00 USD

Regular price Sale price $1,500.00 USD
Unit price per
GIA 12.52 ct. Natural White Quahog Pearl

GIA 12.52 ct. Natural White Quahog Pearl

Regular price $1,500.00 USD

Regular price Sale price $1,500.00 USD
Unit price per
1.99 ct. Natural No Heat Red Spinel

1.99 ct. Natural No Heat Red Spinel

Regular price $1,499.00 USD

Regular price Sale price $1,499.00 USD
Unit price per
1.35 ct. Natural Pink Conch Pearl

1.35 ct. Natural Pink Conch Pearl

Regular price $1,350.00 USD

Regular price Sale price $1,350.00 USD
Unit price per
GIA 2.60 ct. Natural No Heat Blue Spinel

GIA 2.60 ct. Natural No Heat Blue Spinel

Regular price $1,300.00 USD

Regular price Sale price $1,300.00 USD
Unit price per
1.25 ct. Natural Pink Conch Pearl

1.25 ct. Natural Pink Conch Pearl

Regular price $1,250.00 USD

Regular price Sale price $1,250.00 USD
Unit price per
1.62 ct. Natural Blue-Yellow Bicolor Sapphire

1.62 ct. Natural Blue-Yellow Bicolor Sapphire

Regular price $1,250.00 USD

Regular price Sale price $1,250.00 USD
Unit price per
1.53 ct. Natural No Heat Pink Spinel

1.53 ct. Natural No Heat Pink Spinel

Regular price $799.00 USD

Regular price Sale price $799.00 USD
Unit price per
GIA 0.30 ct. Natural Fancy Gray Asteriated Diamond

GIA 0.30 ct. Natural Fancy Gray Asteriated Diamond

Regular price $750.00 USD

Regular price Sale price $750.00 USD
Unit price per
GIA 0.25 ct. Natural Fancy Gray Asteriated Diamond

GIA 0.25 ct. Natural Fancy Gray Asteriated Diamond

Regular price $695.00 USD

Regular price Sale price $695.00 USD
Unit price per
GIA 1.61 ct. Natural Yellowish Green Tourmaline

GIA 1.61 ct. Natural Yellowish Green Tourmaline

Regular price $499.00 USD

Regular price Sale price $499.00 USD
Unit price per