Connect your catalog & diamond sources
Bring in settings and diamonds from your inventory or connected supplier feeds, with product data and availability kept in sync.
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GEMTHEON STUDIO
Choose a setting variant, select a center diamond, and see how the finished ring flows into your storefront's cart and checkout—or open the full builder. No sales call or signup needed.

Drag the ring or choose an option above. Want the full flow? Open the builder—no signup required.
Live demo
Choose a setting, connect a live diamond, inspect the finished ring, and continue to checkout inside one branded experience.
Select Your Setting
Choose from live inventory with your retail pricing.
Filters
Style
Metal
Price
126 ring settings
Live availability and retail pricing

Classic Solitaire
14K white gold
$1,290

Three Stone Pavé
Platinum
$2,480

Milgrain Halo
18K white gold
$2,190

Channel Pavé
14K white gold
$1,840
Customization
Editing 1 of 4
Brand colors
Apply your exact storefront palette.
Primary color
Actions and selected states
Apply your exact storefront palette.
Your storefront, your controls
Configure the customer experience from one control panel. Changes to your storefront update in the preview as you set them.
Sell without stocking stones
Connect Rapaport, Nivoda, and Polygon to your storefront. Gemtheon keeps availability and supplier costs current, applies your retail pricing, and can automatically reserve the selected stone after payment when the connected feed supports reservation.
Availability and wholesale costs update automatically.
Live listings
204,218
Certified
100%
Owned stock
$0
Rapaport
84,291 natural diamonds
Updated 18 sec ago
Nivoda
105,107 natural & lab diamonds
Updated 24 sec ago
Polygon
14,820 lab-grown diamonds
Updated 31 sec ago
Live stones, costs, certificates, and availability sync into Gemtheon.
How Gemtheon works
Connect your sources, set pricing rules, and give shoppers one branded path from design to checkout and production.
Bring in settings and diamonds from your inventory or connected supplier feeds, with product data and availability kept in sync.
Choose what customers see and define markup, rounding, and pricing rules without exposing your underlying cost.
Shoppers choose the setting and diamond in a guided 2D/3D experience with live pricing and eligible virtual try-on.
The configured ring enters your CMS cart at the correct price and becomes a normal store order with every design choice attached.
Starter gives you the catalog, live diamond inventory, pricing, and dashboard foundation. Pro unlocks the branded 3D ring builder with multi-supplier feeds and advanced controls. No per-transaction fees. No inventory required.
Swipe to compare plans
Starter
+ $199 onboarding
3,000 diamonds
Catalog, pricing, and one supplier feed.
Pro
+ $699 onboarding
50,000 diamonds
Branded 3D builder, multi-supplier feeds, and advanced controls.
Enterprise
Custom onboarding
200,000 diamonds
3D at scale with multi-location controls and dedicated support.
Gemtheon Studio ships as a platform-specific integration for Shopify, WooCommerce, Magento, and Wix. Each integration sends the configured ring directly to that platform's native cart and checkout. Custom CMS implementations connect to the site's existing commerce stack.
The builder uses the rules you set in your dashboard. You can configure percentage markup, fixed labor fees, and metal multipliers tied to live spot pricing. The customer only sees the final retail price.
Gemtheon provides a library of high-fidelity, pre-modeled settings, shanks, and prongs. You select which models to activate for your catalog. Custom setting designs can also be modeled by our team.
No. You connect your wholesale feed accounts (Rapaport, Nivoda, Polygon) and Gemtheon updates stone availability and prices every minute automatically. You buy the diamond only when the order is paid.
The 3D ring builder is included with Pro ($249/mo) and Enterprise. Starter ($99/mo) is for your catalog, one supplier feed, 3,000 diamonds, pricing, and dashboard foundation. Upgrade to Pro when you are ready to publish the branded builder through your storefront integration.
Connect your catalog, pricing rules, and diamond feeds, then launch a branded ring-buying experience that is unmistakably yours.