# Natural Bluish Green Sapphire 1.00 Ct Radiant Cut Loose Gemstone | Unheated September Birthstone

**Natural bluish green sapphire weighing 1.00 carat, featuring a radiant cut, greenish blue colour, VVS clarity and untreated status. Offered as a loose gemstone for custom engagement rings, pendants and bespoke jewellery designs, complete with certification from an authorised gemmologist.**

This natural bluish green sapphire displays an attractive balance of blue and green tones, creating a distinctive appearance that differs from traditional blue sapphires. Sold as a loose gemstone, it provides complete flexibility for custom jewellery projects while showcasing the durability and timeless appeal of natural corundum.

### Quick Summary

-   Natural bluish green sapphire
-   Weight: 1.00 Carat
-   Radiant cut loose gemstone
-   VVS clarity
-   Colour: Greenish Blue
-   Treatment: Untreated
-   Birthstone: September
-   Authorised gemmologist certificate included

The radiant cut combines brilliant-style faceting with elegant geometry, enhancing light return while preserving the gemstone's distinctive colour. Sapphire belongs to the corundum family and ranks 9 on the Mohs hardness scale, making it suitable for jewellery intended for regular wear when professionally set.

As the September birthstone, sapphire has traditionally been associated with wisdom, loyalty and sincerity. Bluish green sapphires are appreciated for their distinctive colour balance and suitability for both contemporary and classic jewellery designs.

## Gemstone Specifications

-   **Identification:** Natural Sapphire
-   **Species:** Natural Corundum
-   **Variety:** Green Sapphire
-   **Shape & Cut:** Radiant Cut
-   **Clarity:** VVS
-   **Weight:** 1.00 Carat
-   **Colour:** Greenish Blue
-   **Measurements:** 5.40 × 4.90 × 3.80 mm
-   **Treatment:** Untreated
-   **Birthstone:** September

## Certification & Authenticity

This sapphire is supplied with a certificate from an authorised gemmologist confirming its natural identity and key gemstone characteristics.

**Seller Notes:** A clean gemstone with excellent transparency. Natural internal characteristics may be visible under magnification and are consistent with natural earth-mined sapphire formation.

## Jewellery Applications

This listing is for a loose gemstone only and does not include a finished jewellery setting.

-   Custom engagement rings
-   Radiant cut solitaire rings
-   Halo ring designs
-   Pendants and necklaces
-   Fine bespoke jewellery
-   September birthstone jewellery
-   Gemstone collections

Custom jewellery services are available in gold, rose gold, white gold, silver and platinum settings, with optional diamond accents.

## Why Choose This Gemstone?

Bluish green sapphires are valued for their naturally balanced blend of blue and green hues, offering a distinctive alternative to traditional sapphire colours. Their durability, elegant appearance and versatility make them suitable for engagement rings, personalised jewellery and gemstone collections.

## Explore Related Collections

Browse related collections and educational resources:

-   [Blue Green & Teal Sapphire Collection](https://www.nashgems.com/collections/blue-green-teal-sapphire)
-   [Natural Sapphire Collection](https://www.nashgems.com/collections)
-   [All Loose Sapphire Gemstones](https://www.nashgems.com/collections/all)
-   [Custom & Ready-to-Wear Sapphire Jewellery](https://www.nashgems.com/collections/sapphire-gemstone-jewelry-rings)
-   [Gemstone Education Articles](https://www.nashgems.com/blogs/gemstone-articles)
-   [Contact Us](https://www.nashgems.com/pages/contact)

## Shipping & Returns

Worldwide shipping is available. Buyers are responsible for any applicable customs duties or import taxes. Returns are accepted within 15 days of delivery, provided the gemstone is returned unused and in its original condition according to our published return policy.

## Frequently Asked Questions

### Is this a natural bluish green sapphire?

Yes. This gemstone is a natural sapphire belonging to the corundum family and is not synthetic or laboratory created.

### Has this sapphire been treated?

No. This gemstone is untreated, as disclosed in the specifications and gemmologist certificate.

### Is this sold as a finished ring?

No. This listing is for a loose gemstone only. Custom jewellery settings are available separately.

### Can this gemstone be used for an engagement ring?

Yes. Its radiant cut, durability and balanced colour make it well suited for custom engagement ring designs.

### Will the colour vary under different lighting?

Yes. Natural sapphires may display subtle colour variation under daylight, indoor lighting and studio lighting due to their natural colour characteristics.

## Details

- **Price:** 603.0 USD
- **Vendor:** NASHGEMS
- **Type:** teal sapphire
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## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 603.00 USD | In stock |

## Images

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- Teal sapphire with radiant cut, 1.00 carats, loose September birthstone by NASHGEMS, showcasing vibrant blue-green precious gemstone.
- Teal sapphire loose gemstone with radiant cut, 1.00 ct, September birthstone, from NASHGEMS, ideal for ring settings and jewelry.
- Teal sapphire loose gemstone, radiant cut, 1.00 carat, NASHGEMS, September birthstone, vibrant blue-green precious jewel
- Blue-green sapphire loose gemstone with radiant cut, 1.00 carats, September birthstone, by NASHGEMS, ideal for ring settings.
- Teal sapphire loose gemstone with radiant cut, 1.00 carats, bluish-green color, from NASHGEMS, ideal for jewelry setting.
- Teal sapphire loose gemstone, radiant cut, 1.00 carat, bluish green September birthstone, by NASHGEMS, for jewelry setting.
- Teal sapphire gemstone, radiant cut 1.00 carat, loose precious stone with bluish-green hue, ideal for jewelry setting.
- Teal sapphire loose gemstone, radiant cut, 1.00 carat, September birthstone, from NASHGEMS, showcasing bluish-green color and clarity.

## Additional Information

- **Google: Custom Product:** Yes
- **Carat:** 1.0
- **Stone Shape:** Radiant
- **Treatment:** No Heat

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> Source: [NASHGEMS](https://www.nashgems.com/products/natural-bluish-green-sapphire-1-00ct-radiant-cut-loose-gemstone)
> Updated: 2026-07-16