# Natural Teal Green Sapphire 1.75 Ct Heart Cut Loose Gemstone | Heat Treated September Birthstone

**Natural teal green sapphire weighing 1.75 carats, featuring a heart cut, greenish colour and heat treatment. Offered as a loose gemstone for custom jewellery and supplied with certification from an authorised gemologist.**

This natural teal green sapphire weighs 1.75 carats and features a distinctive heart cut with an attractive greenish appearance. Sold as a loose gemstone, it is suitable for custom engagement rings, promise rings, pendants and bespoke jewellery designs. Its combination of durability, colour and elegant shape makes it an appealing choice for jewellery buyers and gemstone collectors.

### Quick Summary

-   **Gemstone:** Natural Teal Green Sapphire
-   **Weight:** 1.75 Carat
-   **Shape:** Heart Cut
-   **Colour:** Greenish
-   **Treatment:** Heat Treated
-   **Clarity:** VS
-   **Birthstone:** September
-   **Certification:** Included

Blue, teal and green sapphires belong to the natural corundum family and are valued for their durability and suitability for everyday jewellery. Ranking 9 on the Mohs hardness scale, sapphire is widely used for engagement rings, pendants and heirloom-quality jewellery when professionally set.

As the birthstone for September, sapphire is traditionally associated with wisdom, loyalty and sincerity. Heart-cut sapphires offer a distinctive and romantic appearance, making them a popular choice for personalised jewellery designs and meaningful gifts.

### Gemstone Specifications

-   **Identification:** Natural Sapphire
-   **Species:** Natural Corundum
-   **Variety:** Green Sapphire
-   **Shape / Cut:** Heart Cut
-   **Clarity:** VS
-   **Weight:** 1.75 Carat
-   **Colour:** Greenish
-   **Measurements:** 7.50 × 8.50 × 4.00 mm
-   **Treatment:** Heat Treated
-   **Birthstone:** September

### Certification & Authenticity

This sapphire is supplied with a certificate from an authorised gemologist confirming its identity as a natural sapphire and disclosing treatment information.

**Seller Notes:** Needle inclusions are visible under magnification. These internal characteristics are commonly found in natural sapphires and are consistent with natural gemstone formation.

### Jewellery Applications

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

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

Custom jewellery services are available using gold, white gold, rose gold, silver and platinum settings.

### Why Choose This Gemstone?

Teal and green sapphires are appreciated for their distinctive colour combinations and individuality. Heart-cut sapphires offer a balanced and expressive shape that is well suited to custom jewellery designs, while sapphire's durability makes it appropriate for long-term everyday wear.

### Explore Related Collections

Browse related selections and educational resources: [Teal, Blue & Green Sapphire Collection](https://www.nashgems.com/collections/blue-green-teal-sapphire) | [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 sapphire?

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

#### Has this sapphire been treated?

Yes. This sapphire has undergone heat treatment, which is disclosed in the specifications and certification.

#### Does the gemstone include certification?

Yes. A certificate from an authorised gemologist is included.

#### Is this sold as a finished ring?

No. This listing is for a loose sapphire gemstone only and does not include a finished jewellery item.

#### Can this gemstone be used for a custom engagement or promise ring?

Yes. Its heart cut and durability make it suitable for custom engagement rings, promise rings and bespoke jewellery designs.

## Details

- **Price:** 1170.0 USD
- **Vendor:** NASHGEMS
- **Type:** teal sapphire
- **Tags:** anniversaire, anniversary ring, anxiety ring, appricot sapphire, apricot sapphire, aquamarine, astrological gemstone, australian sapphire, birthday, birthday ring, birthstone, birthstone jewellery, birthstone ring, blue green sapphire ring, blue sapphire, blue sapphire ring, budget gemstone, budget ring, Ceylon king sapphire, ceylon sapphire, champagne sapphire, champagne sapphire ring, cherry, christmas gift, christmas ring, cluster ring, collier saphir, colour change sapphire, custom ring, designer ring, diamant, diamond, diamond ring, diamonddiamond ring, emerald, emerald alternative, engagement band, engagement ring, evil eye ring, gem, gemme, gemmologue, gemologist, gems, gemstone, gemstone collector, gemstone jewellery, gemstone ring, gift for mom, golden sapphire, green blue sapphire ring, green sapphire, green sapphire ring, halo ring, handmade jewellery, handmade ring, healing crystal, healing gemstone, healing sapphire, january birthstone, jewellery, jewellery making, jewellery store, jewelry, king sapphire, lavender sapphire, lilac sapphire, loose gemstone, loose sapphire, mahenge, make a ring, mermaid sapphire ring, modern ring, montana sapphire, montana sapphire ring, morganite sapphire, Padparadscha, padparadscha sapphire, padparadscha sapphire ring, parti sapphire, pastal blue sapphire, peacock sapphire ring, pendentif saphir, personalised gift, pierre astrologique, pierre de naissance, proposal ring, purple sapphire, purple stone, purple theme, red gemstone, ring, ring for mom, ring for wedding, ring for wife, ring gift, round ruby, round sapphire, royal blue, royal blue sapphire, ruby, saphir de ceylan, saphir rose, saphir rose naturel, sapphire, sapphire band, sapphire collectable, sapphire collector, sapphire engagement ring, sapphire from ceylon, sapphire ring, semi precious gemstone, september birthstone, silver ring, sky blue sapphire, soho sapphire, solitaire ring, teal sapphire, teal sapphire ring, tsavorite, tsavorite ring, vente, violet, violets blue, wedding band, wedding ring

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1170.00 USD | In stock |

## Images

- Teal sapphire engagement ring with heart-shaped 1.75 carat gemstone, gold jewelry by NASHGEMS, perfect for wedding or promise jewelry.
- Teal sapphire engagement ring with heart-shaped gemstone, 1.75 carats, gold jewelry from NASHGEMS, perfect for wedding or promise occasions.
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- Teal sapphire engagement ring by NASHGEMS featuring a heart-shaped 1.75 carat gemstone in gold jewelry for wedding or promise.
- Teal sapphire engagement ring with heart-shaped 1.75 carat gemstone, gold jewelry by NASHGEMS, perfect for wedding or promise jewelry.
- Teal sapphire engagement ring with heart-shaped gemstone, 1.75 carats, gold jewelry by NASHGEMS, perfect for wedding or promise jewelry.
- Teal sapphire engagement ring with heart-shaped gemstone, 1.75 carats, gold jewelry, by NASHGEMS.
- Teal sapphire engagement ring with heart-shaped gemstone, 1.75 carats, gold jewelry by NASHGEMS, perfect for promise or wedding jewelry
- Teal sapphire engagement ring with heart-shaped gemstone, 1.75 carats, gold jewelry, from NASHGEMS, perfect for wedding or promise gift
- Teal sapphire engagement ring with heart-shaped 1.75 carat gemstone in gold jewelry, from NASHGEMS, perfect for wedding or promise jewelry.

## Additional Information

- **Carat:** 1.75
- **Stone Shape:** Heart
- **Treatment:** Heat Treated

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> Source: [NASHGEMS](https://www.nashgems.com/products/natural-teal-green-sapphire-1-75ct-heart-cut-loose-gemstone)
> Updated: 2026-07-08