# Natural Ceylon Blue Sapphire 3.04 Ct Round Cut Cornflower Blue Loose Gemstone | September Birthstone

**Natural Blue Sapphire weighing 3.04 carats, featuring a round cut, cornflower blue colour and heat-treated enhancement. Offered as a loose gemstone for custom jewellery, gemstone collections and engagement ring designs. Includes certification from an authorised gemologist.**

### Quick Summary

-   Gemstone: Natural Blue Sapphire
-   Weight: 3.04 Ct
-   Shape: Round Cut
-   Colour: Cornflower Blue
-   Treatment: Heat Treated
-   Birthstone: September
-   Certification Included

This natural Blue Sapphire weighs 3.04 carats and displays an attractive cornflower blue colour. The gemstone has been cut in a round shape to maximise brilliance and visual appeal. Its size, colour and durability make it suitable for collectors and buyers seeking a high-quality sapphire for custom jewellery.

Blue Sapphire belongs to the corundum family and ranks 9 on the Mohs hardness scale, making it one of the most durable gemstones used in jewellery. This durability makes it suitable for engagement rings, pendants, earrings and other jewellery intended for regular wear.

### Stone Information

-   **Identification:** Natural Blue Sapphire
-   **Species:** Natural Corundum
-   **Variety:** Blue Sapphire
-   **Shape/Cut:** Round Cut
-   **Clarity:** SI
-   **Weight:** 3.04 Ct
-   **Colour:** Cornflower Blue
-   **Dimensions:** 7.90 × 5.90 mm
-   **Treatment:** Heat Treated
-   **Birthstone:** September

### Certification & Authenticity

This gemstone includes certification from an authorised gemologist confirming its identity as a natural Blue Sapphire.

Seller Notes: Natural crystal inclusions are present within the gemstone. These characteristics are commonly found in natural sapphires and are part of their natural formation.

### Ideal For

-   Custom Engagement Rings
-   Solitaire Ring Designs
-   Pendants and Necklaces
-   September Birthstone Jewellery
-   Gemstone Collections
-   Bespoke Jewellery Projects

### Collector Appeal

Cornflower blue sapphires are appreciated by gemstone enthusiasts for their attractive colour and enduring popularity in fine jewellery. Larger sapphires above 3 carats are particularly sought after due to their visual presence and rarity compared to smaller stones.

### Colour Information

Natural sapphires may display slight colour variations under different lighting conditions including daylight, indoor lighting and photography lighting environments.

### Shipping & Returns

Worldwide shipping is available with tracking and insurance. Returns are accepted according to our published return policy.

## Details

- **Price:** 1980.0 USD
- **Vendor:** NASHGEMS
- **Type:** blue sapphire
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## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1980.00 USD | In stock |

## Images

- Blue sapphire engagement ring by NASHGEMS featuring a 3.04 ct natural blue sapphire September birthstone jewelry for women.
- NASHGEMS blue sapphire engagement ring with a 3.04-carat natural blue sapphire, September birthstone jewelry for women.
- Blue sapphire engagement ring by NASHGEMS featuring a 3.04 carat natural blue sapphire, September birthstone jewelry for women.
- NASHGEMS blue sapphire engagement ring featuring a 3.04 carat natural blue sapphire, September birthstone jewelry for women.
- NASHGEMS blue sapphire engagement ring with a 3.04-carat natural blue sapphire, September birthstone jewelry for women.
- Natural blue sapphire engagement ring by NASHGEMS featuring a 3.04 ct blue sapphire, September birthstone jewelry for women.
- NASHGEMS blue sapphire engagement ring featuring a 3.04 carat natural blue sapphire, September birthstone jewelry for women.
- NASHGEMS blue sapphire engagement ring featuring a 3.04 carat natural blue sapphire, September birthstone jewelry for women.
- NASHGEMS blue sapphire engagement ring with a 3.04 ct natural blue sapphire, September birthstone jewelry for women.

## Additional Information

- **Google: Custom Product:** Yes
- **Carat:** 3.04
- **Stone Shape:** Round
- **Treatment:** Heat Treated

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> Source: [NASHGEMS](https://www.nashgems.com/products/blue-sapphire-engagement-rings-blue-precious-stone-3-04-crt)
> Updated: 2026-07-16