Oval-cut blue sapphire gemstone weighing approximately 3 carats

Cyan Sapphire | Teal 3ct Oval Cut | 8x10mm

$299.00
$299.00
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Oval-cut blue sapphire gemstone weighing approximately 3 carats
  • Oval-cut blue sapphire gemstone weighing approximately 3 carats
  • Oval blue sapphire shown from a low-angle pavilion view on blue fabric, highlighting facet alignment, depth
  • Close-up view of an oval blue sapphire resting on velvet, focusing on the table and crown facets
  • Oval blue sapphire set in a simple silver pendant on a fine chain, demonstrating scale and design potential
  • Oval blue sapphire mounted in a four-prong silver ring setting, shown on blue velvet
  • Macro photograph of an oval-cut blue sapphire highlighting facet geometry, internal reflections, and polish quality
  • Oval-cut blue sapphire gemstone weighing approximately 3 carats
  • Oval blue sapphire shown from a low-angle pavilion view on blue fabric, highlighting facet alignment, depth
  • Close-up view of an oval blue sapphire resting on velvet, focusing on the table and crown facets
  • Oval blue sapphire set in a simple silver pendant on a fine chain, demonstrating scale and design potential
  • Oval blue sapphire mounted in a four-prong silver ring setting, shown on blue velvet
  • Macro photograph of an oval-cut blue sapphire highlighting facet geometry, internal reflections, and polish quality
Cyan Sapphire | Teal 3ct Oval Cut | 8x10mm

Cyan Sapphire | Teal 3ct Oval Cut | 8x10mm

$299.00
$299.00
Shipping calculated at checkout.

In stock: 1-3 business days

Cut in an oval geometry, this blue sapphire stone balances brilliance and symmetry while maintaining usable depth for a practical setting. The facet layout is even and deliberate, with clean junctions and consistent polish that hold up under close inspection. Color presents as a clear, saturated blue with controlled light return rather than exaggerated sparkle.

As a lab-grown sapphire, the material offers excellent consistency, durability, and predictability at the bench. It seats cleanly, aligns reliably, and performs without the variability often found in natural stones.

For jewelers, this is a dependable foundation for rings, pendants, or bespoke commissions where cut quality and dimensional accuracy matter. For clients, it provides a high-quality starting point for custom jewelry without committing to a preset design.

Shown in multiple orientations and example settings to illustrate scale and potential. This listing is for the loose gemstone only.

Stone Specifications
• Material: Lab-grown blue sapphire
• Cut: Oval
• Weight: Approximately 3 carats
• Dimensions: 8 × 10 mm
• Condition: Loose, unset gemstone

For the modern Jeweler
Proudly made in the Pacific Northwest, USA

Every order supports Aetherium Innovations and our mission to develop tools and technologies that lower the barriers in the skilled art trades

Bench-tested

Modular by design

Direct builder support

Pacific Northwest built

Build & Support

Aetherium products are developed around real workshop and field workflows. If you need dimensions, compatibility guidance, replacement components, or help adapting this product to your setup, contact the workshop before ordering.
Shipping & Returns

The production estimate shown near the purchase button is the current working lead time for this item. Shipping is calculated at checkout.

If an order arrives damaged, does not match what you received approval for, or you need to request a return, contact us with the order number and photos when applicable. We will review the situation directly and help determine the right next step.

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Why Aetherium

Built like someone has to use it.

We design around real workflows, direct feedback, and the belief that a good tool should expand what its owner can do.

Bench-testedDeveloped around real workshop problems, not trend forecasts.
Small-batchProduced deliberately with clear lead times and direct accountability.
AdaptableModular, repair-minded systems designed to evolve with the work.
Direct supportCompatibility question? You can talk to the person who built it.
Unsure whether this fits your setup?Send the workshop a photo or a short description before you order.
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