# Natural Parti Sapphire 4.27 Ct Oval Cut Loose Gemstone | Teal Blue Green Madagascar Sapphire

**Natural Parti Sapphire weighing 4.27 carats, featuring an oval cut, teal blue green colour zoning, Madagascar origin and heat treatment. Offered as a loose gemstone for custom jewellery and supplied with certification from an authorised gemologist.**

This natural parti sapphire displays a distinctive blend of teal, blue, green and yellow tones that create a unique appearance under different lighting conditions. Weighing 4.27 carats and cut in an elegant oval shape, the gemstone offers strong visual presence for custom engagement rings, pendants and bespoke jewellery designs.

### Quick Summary

-   **Gemstone:** Natural Parti Sapphire
-   **Weight:** 4.27 Carat
-   **Shape:** Oval Cut
-   **Colour:** Teal Blue Green with Yellow Colour Zoning
-   **Clarity:** Loupe Clean
-   **Treatment:** Heat Treated
-   **Origin:** Madagascar
-   **Birthstone:** September
-   **Certification:** Included

Parti sapphires are natural sapphires that display multiple colours within a single gemstone. Their distinctive colour zoning makes each stone unique and appeals to buyers seeking an alternative to traditional single-colour sapphires. As a member of the corundum family, sapphire ranks 9 on the Mohs hardness scale and is suitable for jewellery intended for regular wear.

As the birthstone for September, sapphire is traditionally associated with wisdom, loyalty and sincerity. The unique colour combinations found in parti sapphires make them particularly popular among collectors and buyers looking for an individual gemstone with natural character.

### Gemstone Specifications

-   **Gemstone:** Natural Sapphire
-   **Species:** Natural Corundum
-   **Variety:** Parti Sapphire
-   **Shape / Cut:** Oval
-   **Clarity:** Loupe Clean
-   **Weight:** 4.27 Carat
-   **Colour:** Teal Blue Green with Yellow Colour Zoning
-   **Measurements:** 8.10 × 9.80 × 6.50 mm
-   **Treatment:** Heat Treated
-   **Birthstone:** September
-   **Origin:** Madagascar

### Certification & Authenticity

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

**Seller Notes:** Loupe clean with no inclusions visible under 10× magnification.

### Jewellery Applications

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

-   Custom Engagement Rings
-   Wedding Ring Designs
-   Statement Rings
-   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?

Parti sapphires are appreciated for their naturally occurring colour zoning and individuality. No two stones display exactly the same colour distribution, making each gemstone unique. The combination of durability, visual interest and versatility has made parti sapphires increasingly popular among collectors and jewellery buyers.

### 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 with tracking. 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 parti sapphire?

Yes. This gemstone is a natural sapphire displaying multiple colours, commonly known as a parti sapphire.

#### Where does this sapphire originate?

This sapphire originates from Madagascar.

#### Has this sapphire been treated?

Yes. Heat treatment is disclosed in the specifications.

#### Does the gemstone include certification?

Yes. Certification from an authorised gemologist is included.

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

Yes. Its durability and size make it suitable for custom engagement ring and fine jewellery designs.

## Details

- **Price:** 4300.0 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, Mahenge Spinel, make a ring, mermaid sapphire ring, modern ring, montana sapphire, montana sapphire ring, morganite sapphire, 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, red spinel, 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, spinel, teal sapphire, teal sapphire ring, tsavorite, tsavorite ring, vente, violet, violets blue, wedding band, wedding ring

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 4300.00 USD | In stock |

## Images

- Teal blue green parti sapphire oval cut gemstone, 4.27 carats, loose stone for engagement or wedding rings by NASHGEMS.
- Teal blue and green parti sapphire oval cut gemstone, 4.27 carats, loose stone for jewelry, by NASHGEMS.
- Teal blue and green parti sapphire oval cut gemstone, 4.27 ct, loose stone ideal for engagement or wedding rings by NASHGEMS.
- Teal blue and green parti sapphire oval cut loose gemstone, 4.27 carats, from NASHGEMS, ideal for engagement or wedding jewelry.
- Teal blue and green parti sapphire oval cut gemstone, 4.27 carats, loose stone for engagement, wedding rings, or jewelry gifts.
- Teal blue-green parti sapphire oval cut gemstone, 4.27 carats, loose stone for engagement or wedding rings, by NASHGEMS.
- Teal blue and green parti sapphire oval cut gemstone, 4.27 carats, loose stone from NASHGEMS, ideal for engagement or wedding rings.
- Teal blue and green parti sapphire oval cut 4.27 ct loose gemstone from NASHGEMS, ideal for engagement or wedding rings.
- Teal blue and green parti sapphire oval cut gemstone, 4.27 carats, loose stone for engagement or wedding rings, by NASHGEMS.

## Additional Information

- **Google: Custom Product:** Yes
- **Carat:** 4.27
- **Stone Shape:** Oval
- **Treatment:** Heat Treated

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> Source: [NASHGEMS](https://www.nashgems.com/products/teal-blue-green-parti-sapphire-oval-cut-gem-4-27-crt)
> Updated: 2026-07-16