Capitalofgems

Capitalofgems Formerly Capital of Gems.
(6)

💎 Custom Natural Gemstones & Jewelry
🌈 Gradient Rainbow Gemstones
💍 Bespoke Jewelry Design
🌍 Global Shipping | DM for Inquiries
Official page of Rainbow Gems Studio.

09/01/2026

Did you know? This is the polishing method for a 1.5mm gemstone.

08/25/2026

Natural stone polishing

08/18/2026

Tiny stones, serious color. 💚🩷💙❤️
Round tsavorite, pink sapphire, blue sapphire & ruby — precision cut and ready for your next jewelry design. ✨

RainbowGemStudio

08/13/2026

Precision-cut gradient sapphires designed specifically for designers

Precision-cut gradient rainbow gemstone strips, with ample long-term stock.
08/10/2026

Precision-cut gradient rainbow gemstone strips, with ample long-term stock.

08/07/2026

Do you like this necklace clasp?

08/03/2026

Color, shine, and craftsmanship all in one. 🌈✨
This 18K gold sapphire channel-set ring by RainbowGemStudio is made to stand out.

Love this look? We can custom make rings, pendants, bracelets, earrings, and more.
DM us for custom jewelry.

07/31/2026

Our 18K gold sapphire donut pendant is all about color and sparkle. ✨
At RainbowGemStudio, we also customize all kinds of jewelry to match your style.
DM us to create yours.

07/28/2026

A little rainbow, a lot of sparkle. 🌈✨
Our 18K gold gradient rainbow sapphire bracelet and ring are made to stand out.
Love the look? We can also custom make all kinds of jewelry just for you.

RainbowGemStudio
DM us for custom orders.

07/25/2026

Color, sparkle, and solid 18K gold ✨
Our 18K gold sapphire ring by RainbowGemstudio is all about bold beauty and custom luxury.
Love this style? We can customize all kinds of jewelry just for you. 💍🌈

DM us for custom orders.

Address

2447 Oak Street
Oswego, NY
13126

Opening Hours

Monday 9am - 6pm
Tuesday 9am - 6pm
Wednesday 9am - 6pm
Thursday 9am - 6pm
Friday 9am - 6pm
Saturday 9am - 6pm

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