# Natural Teal Sapphire 3.18 Ct Pear Cut Loose Gemstone | Blue Green Heat Treated September Birthstone

**Natural Teal Sapphire weighing 3.18 carats, featuring a pear cut, blue-green colour and heat treatment. Offered as a loose gemstone for custom jewellery and supplied with certification from an authorised gemologist.**

This natural teal sapphire weighs 3.18 carats and displays a distinctive blend of blue and green tones that change subtly under different lighting conditions. Cut in an elegant pear shape, this loose gemstone is suitable for custom engagement rings, pendants and bespoke jewellery designs, while also appealing to gemstone collectors seeking an unusual centre stone.

### Quick Summary

-   **Gemstone:** Natural Teal Sapphire
-   **Weight:** 3.18 Carat
-   **Shape:** Pear Cut
-   **Colour:** Blue Green / Teal
-   **Clarity:** VVS
-   **Treatment:** Heat Treated
-   **Birthstone:** September
-   **Certification:** Included

Teal sapphire is a natural variety of corundum valued for its distinctive blend of blue and green colours. Sometimes referred to as a "mermaid sapphire" because of its ocean-inspired appearance, it offers an alternative to traditional blue sapphires while maintaining the durability and elegance associated with sapphire jewellery.

Ranking 9 on the Mohs hardness scale, sapphire is suitable for jewellery intended for regular wear when professionally set. As the birthstone for September, it is traditionally associated with wisdom, sincerity and loyalty.

### Gemstone Specifications

-   **Identification:** Natural Sapphire
-   **Species:** Natural Corundum
-   **Variety:** Teal Sapphire
-   **Shape / Cut:** Pear Cut
-   **Clarity:** VVS
-   **Weight:** 3.18 Carat
-   **Colour:** Teal Green / Blue Green
-   **Measurements:** 7.40 × 9.60 × 5.90 mm
-   **Treatment:** Heat Treated
-   **Birthstone:** September

### Certification & Authenticity

This gemstone includes certification from an authorised gemologist confirming its identity as a natural sapphire and disclosing treatment information.

**Seller Notes:** This gemstone has a clean appearance. Natural inclusions may be visible under magnification and are consistent with natural sapphire formation.

### Jewellery Applications

This gemstone is sold loose and is not supplied as a finished jewellery item. Suitable applications include:

-   Custom Engagement Rings
-   Statement Rings
-   Pendants and Necklaces
-   September Birthstone Jewellery
-   Custom Fine Jewellery
-   Gemstone Collections

Custom jewellery services are available for gold, rose gold, white gold, platinum and other bespoke settings.

### Why Choose This Gemstone?

Natural teal sapphires are appreciated for their distinctive colour combinations and versatility in jewellery design. Their blend of blue and green tones creates a unique appearance that complements both contemporary and classic settings, making them a popular choice for buyers seeking an alternative to traditional blue sapphires.

### Explore Related Collections

Browse related selections and educational resources: [Blue Sapphire Collection](https://www.nashgems.com/collections/blue-sapphire-gemstones) | [Natural Sapphire Collection](https://www.nashgems.com/collections) | [All Gemstones](https://www.nashgems.com/collections/all) | [Ready-to-Wear Jewellery](https://www.nashgems.com/collections/sapphire-gemstone-jewelry-rings) | [Contact Us](https://www.nashgems.com/pages/contact) | [Gemstone Education Articles](https://www.nashgems.com/blogs/gemstone-articles)

### Shipping & Returns

Worldwide shipping is available. Buyers are responsible for any applicable customs duties or import taxes. Returns are accepted according to our published return policy.

### Frequently Asked Questions

#### Is this a natural teal sapphire?

Yes. This gemstone is identified as a natural teal sapphire belonging to the corundum family.

#### Has this sapphire been treated?

Yes. This gemstone has undergone heat treatment, which is disclosed in the specifications.

#### Does this sapphire include certification?

Yes. Certification from an authorised gemologist is included.

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

Yes. Its durability and pear cut make it suitable for custom engagement ring designs.

#### Is this sold as a loose gemstone?

Yes. This product is sold as a loose gemstone and is not supplied as a finished jewellery item.

## Details

- **Price:** 3250.0 USD
- **Vendor:** NASHGEMS
- **Type:** teal sapphire
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## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 3250.00 USD | In stock |

## Images

- Teal sapphire drop-shaped gemstone with blue-green parti colors, cut in a pear shape, from NASHGEMS.
- Teal sapphire drop-shaped gemstone from NASHGEMS with blue-green parti-color, pear cut, 3.18 ct, showcasing vibrant, unique beauty.
- Teal sapphire gemstone in a pear drop shape with blue-green hues, crafted by NASHGEMS, showcasing vibrant color and clarity.
- Teal blue-green pear-shaped sapphire by NASHGEMS, 3.18 ct drop-cut teal mermaid sapphire with vibrant blue-green hues.
- Teal sapphire gemstone with pear drop cut, showcasing blue-green colors and unique mermaid-inspired shape by NASHGEMS.
- Teal sapphire gemstone in pear drop shape with blue-green color, featuring a 3.18 ct NASHGEMS teal mermaid sapphire.
- Teal sapphire gemstone in pear drop cut with blue-green hues, from NASHGEMS, showcasing its unique mermaid-inspired color.
- Teal blue-green pear-shaped sapphire gemstone with drop-cut, 3.18 ct, from NASHGEMS, showcasing vibrant mermaid blue-green hues.
- Teal sapphire with pear drop cut, 3.18 ct, showcasing vibrant blue-green hues and unique mermaid-inspired design.

## Additional Information

- **Google: Custom Product:** Yes
- **Carat:** 3.18
- **Stone Shape:** Pear Tear Drop
- **Treatment:** Heat Treated

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> Source: [NASHGEMS](https://www.nashgems.com/products/natural-teal-sapphire-3-18ct-pear-cut-loose-gemstone)
> Updated: 2026-07-16