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Available Gemstones

Discover the beauty of our one-of-a-kind gemstones, each a unique gift from the earth that cannot be replicated. Every stone showcases distinctive characteristics, from captivating color banding to visible inclusions, which tell the story of its formation within the earth. These unique markings are not imperfections; they highlight the rich history of each gem. travels through the earth to the miner's hands.

We invite you to choose a gemstone to inspire your next exquisite jewelry piece by RC Studio Jewelry, with options available for individual purchase for the passionate gemstone collector.

Pear Shaped Blue with Parallel Needles
Unheated Natural Blue Sapphire
1.18 ct.

7.42x5.13x3.90mm

Tanzania: Moyo Collective

Classic blue in a pear shape; visible parallel needles streak across table on one side. Snow scene-like crystals on one lobe.

Cushion Brilliant
Unheated Pink Cushion Brilliant
4.86 ct.

10.43x8.17x6.42mm

Sri Lanka

Almost opalescent with a unique soft pink coloration.

Oval Brilliant Sapphire
Unheated Natural Sapphire
3.07 ct.

9.65x8.46x4.86mm

Umba Valley, Tanzania; Moyo Collective

Juicy bubblegum pink transparent sapphire in a generous size. Imperfect girdle outline in service to spectacular color and size.

 Oval Portrait cut
Blue Watercolor Sapphire
3.51 ct.

10.39x8.41x3.55m

Montana

Oval faceted sapphire in blue with a monet-painting-like watercolor coloration pattern.

Blue/Teal colored sapphire in a cushion cut
Blue/Teal Sapphire
3.26 ct.

8.81x7.63x5.30mm

Montana

Beautiful blue/green-colored sapphire in a fine cushion cut.

Hexagon Portrait Cut
Blue-Yellow Sapphire
2.86 ct.

9.23x8.84x3.48mm

Montana

Hexagon-shaped gemstone with flat top; coloration is blue to yellow with visible inclusions.

Cushion Cut
Teal Natural Heated Sapphire
2.36 ct.

7.77x7.36x4.97mm

Australia

Deep blue-green sapphire in cushion cut; one dramatic inclusion in top right quadrant.

Oval Brilliant Cut
Unheated Purple Sapphire
4.04 ct.

9.78x7.00x6.48mm

Umba Valley, Tanzania; Moyo Collective

Color banding of deep purple-pink-purple across the body of the gemstone.

Cut Corner Rectangle Step Cut Sapphire
Color-change Blue/Grey to Purple Sapphire
1.21 ct.

5.99x5.30x3.44mm

Tanzania: Moyo Collective

When seen in fluorescent vs Incandescent light, this cut corner rectangle step cut stone changes color from Blue/Grey to Purple.

Oval Brilliant with crisp geometric girdle outline
Unheated Natural Pink Sapphire
3.54 ct.

3.54ct 10.88x8.07x5.05mm

Sri Lanka

Transparent pink, unheated natural sapphire in an oval brilliant cut with crisp, geometric facets visiable on the girdle outline.

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