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Natural Oval Teal Blue-Green Parti Sapphire 2.54ct – Loose Sapphire Gemstone

One-of-a-Kind Natural Sapphire — Available Only Once

✔ Natural Earth-Mined
✔ Certified Gemstone
✔ Engagement Ring Ready
✔ Free Worldwide Shipping
✔ 15-Day Returns
Sale price$2,475.00 USD

Natural Oval Teal Blue-Green Parti Sapphire 2.54ct – Loose Sapphire Gemstone

Quick Overview – Teal Blue-Green Parti Sapphire 2.54ct

This natural oval teal sapphire weighs 2.54 carats and shows a striking blend of blue and green – often called a mermaid sapphire or peacock sapphire for its ocean-inspired colour play. Cut in a classic oval and sold as a loose sapphire gemstone, it is ideal for a custom engagement ring, right-hand ring or heirloom pendant.

  • Teal blue-green parti sapphire – natural colour zoning
  • Oval cut, 2.54ct loose gemstone (not set in a ring)
  • VVS clarity with excellent brightness
  • Perfect for custom rings and fine jewelry in the USA, Australia & Europe
  • Supplied with certificate from an authorised gemologist

This teal sapphire beautifully combines deep blue and lush green tones in a single crystal, creating that highly desirable blue green sapphire look. The natural parti zoning gives the gem personality and movement, shifting subtly as it catches the light – exactly what many collectors describe as a modern “mermaid sapphire” or “peacock sapphire”.

The oval cut enhances both colour and brilliance, making this stone an outstanding centrepiece for a custom engagement ring or statement ring. As a loose gemstone, it offers complete freedom of design, whether you prefer a clean solitaire, a diamond halo, or a bold contemporary setting.

Stone Information

  • Identification: Natural Sapphire
  • Species: Natural Corundum
  • Variety: Teal / Blue-Green Parti Sapphire
  • Shape & Cut: Oval
  • Clarity: VVS (very, very slightly included)
  • Weight: 2.54 carats
  • Colour: Teal green – blue green mix
  • Dimensions: 6.80 × 8.40 × 5.10 mm
  • Treatment: Heat treated
  • Birthstone: September

Seller’s comments: This is a very clean stone with excellent transparency and brightness. Natural inclusions may be visible only under magnification, as is normal for genuine natural sapphires.

The sapphire is accompanied by a certificate from an authorised gemologist confirming its authenticity and key characteristics.

Loose Sapphire for Custom Jewelry

This is a loose sapphire and does not come set in a ring. It is ideal for customers who want to create a personalised design. If you would like us to turn this gemstone into a finished piece of jewelry, we can help you design:

  • Custom teal sapphire engagement rings
  • Unique right-hand rings
  • Statement pendants or necklaces

We work with yellow gold, rose gold, white gold, and platinum, and can add diamond accents or other complementary stones on request.

Mermaid & Peacock Sapphire Colour

The blue-green mix in this stone is often described as mermaid sapphire or peacock sapphire because it captures the shifting hues of tropical oceans and peacock feathers. This style of teal sapphire has become highly sought after in the USA, Australia and Europe as an alternative to traditional blue sapphires and emeralds.

The unique colour zoning means no two parti sapphires are exactly alike, making this gemstone a one-of-a-kind choice for someone who loves individuality and modern colour palettes.

Durability & Everyday Wear

With a hardness of 9 on the Mohs scale, sapphire is one of the most durable coloured gemstones. This makes a teal blue green sapphire an excellent option for everyday jewelry, especially for engagement rings and signature pieces designed to last for generations.

Worldwide Shipping – USA, Australia & Europe

We ship worldwide with tracked and insured delivery, including to the United States, Australia, the United Kingdom, and the wider Europe region. Buyers are responsible for any customs duties or import taxes charged by their country.

Important Notes

  • Colour: Slight variations in colour may be seen under different lighting (daylight, indoor lighting, studio light). This is normal for natural teal and parti sapphires.
  • Loose Gemstone: This listing is for a loose stone only. Settings and finished rings are available separately through our custom design service.

Frequently Asked Questions (FAQ)

Is this a natural teal sapphire?

Yes. This gemstone is a natural sapphire with teal blue-green parti colour, not lab-created or synthetic.

What does “parti sapphire” mean?

A parti sapphire shows two or more colours in the same stone at the same time, often blue and green or yellow. This gemstone has a blue-green teal mix, which is why it is sometimes called a mermaid or peacock sapphire.

Can I use this sapphire for an engagement ring?

Absolutely. At 2.54ct with an oval cut and durable sapphire hardness, it is ideal as the centre stone for a unique teal sapphire engagement ring.

If you would like design ideas or a quote for a custom setting for this oval teal sapphire loose gemstone, please contact us and our team will be happy to help.

 

 

 

 

Oval cut teal sapphire gemstone in blue-green parti color, 2.54ct from NASHGEMS, showcasing vibrant, natural gemstone beauty.
Natural Oval Teal Blue-Green Parti Sapphire 2.54ct – Loose Sapphire Gemstone Sale price$2,475.00 USD

💎 Not Sure Which Sapphire To Choose?

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We can help you choose the ideal gemstone based on:

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✔ Natural vs heated sapphires
✔ Engagement ring suitability

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WHAT IS A MERMAID SAPPHIRE?

 

  • A mermaid sapphire is a descriptive term used for a sapphire displaying ocean-inspired colours, often including beautiful combinations of blue, green, aqua, and teal.

    Mermaid sapphire is not a separate mineral variety of sapphire. Instead, the term describes the distinctive appearance of sapphires whose colours can evoke tropical waters, ocean depths, seafoam, and the changing shades of the sea.

WHAT COLOURS CAN A MERMAID SAPPHIRE HAVE?

 

  • Mermaid sapphires can display a beautiful range of ocean-inspired colours. Depending on the individual gemstone, these may include aqua, blue-green, teal, sea-green, turquoise-inspired tones, and deeper ocean-blue shades.

    Some gemstones display a soft and blended appearance, while others show stronger contrasts between blue and green. The exact appearance depends on the sapphire's natural colour distribution, cut, and the lighting in which it is viewed.

WHY IS IT CALLED A MERMAID SAPPHIRE?

 

  • The name mermaid sapphire is inspired by colours commonly associated with the sea. The combination of blue, green, aqua, and teal can create an appearance reminiscent of tropical waters, seafoam, and ocean landscapes.

    The term is descriptive rather than a scientific gemological classification. Different sapphires can therefore be described as mermaid sapphires based on their individual colour combinations and overall visual appearance.

ARE MERMAID SAPPHIRES NATURAL?

 

  • A natural mermaid sapphire is a natural sapphire selected or described for its distinctive ocean-inspired colour combination. Blue, green, and teal tones can occur naturally in sapphires and may be distributed differently from one gemstone to another.

    When purchasing a sapphire, it is important to review the individual product description and available certification information to understand the gemstone's origin, treatment status, and other characteristics.

WHAT IS THE DIFFERENCE BETWEEN A MERMAID SAPPHIRE AND A TEAL SAPPHIRE?

 

  • A teal sapphire generally describes a sapphire with an overall blend of blue and green that creates a recognisable teal appearance.

    A mermaid sapphire is a broader descriptive term focused on an ocean-inspired colour palette. It may include teal, aqua, blue-green, sea-green, and other colours associated with the sea. Some gemstones may fit both descriptions.

WHAT IS THE DIFFERENCE BETWEEN A MERMAID SAPPHIRE AND A PEACOCK SAPPHIRE?

 

  • A mermaid sapphire is generally associated with softer or ocean-inspired combinations of blue, aqua, green, and teal.

    A peacock sapphire is generally associated with richer and more dramatic combinations of blue, green, and teal inspired by peacock feathers. The two descriptive terms can overlap because individual sapphires may display similar colours.

ARE MERMAID SAPPHIRES GOOD FOR ENGAGEMENT RINGS?

 

  • Yes. Mermaid sapphires can make a beautiful choice for engagement rings. Sapphire has a hardness of 9 on the Mohs scale, making it one of the most durable gemstones commonly used in fine jewellery.

    The distinctive blue-green and ocean-inspired colours also make a mermaid sapphire engagement ring an appealing alternative for someone looking for a gemstone with individuality and character.

WHY ARE MERMAID SAPPHIRES POPULAR FOR ENGAGEMENT RINGS?

 

  • Ocean-Inspired Colours: Mermaid sapphires can display refreshing combinations of blue, green, aqua, and teal.

    Unique Appearance: Natural variations in colour mean that every sapphire has its own individual character and appearance.

    Durable & Long-Lasting: With a hardness of 9 on the Mohs scale, sapphire is suitable for engagement rings and jewellery designed for regular wear when properly set and cared for.

    Personal Alternative: A mermaid sapphire engagement ring offers a colourful and distinctive alternative to traditional diamond or single-colour sapphire designs.

HOW DO I CHOOSE THE BEST MERMAID SAPPHIRE?

 

  • The best mermaid sapphire depends on the colours that appeal most to you. Some buyers prefer bright aqua and sea-green tones, while others are drawn to deeper teal or blue-green sapphires with greater depth and intensity.

    When selecting a gemstone, consider its colour balance, saturation, brightness, cut, clarity, size, shape, treatment status, and how it will work within your intended jewellery design.

DOES THE CUT OF A MERMAID SAPPHIRE AFFECT ITS APPEARANCE?

 

  • Yes. The cut of a mermaid sapphire can influence how its natural colours are displayed. The arrangement of facets and orientation of the gemstone can affect the way blue, green, aqua, and teal tones are seen from above.

    Different shapes and cutting styles may emphasise different aspects of the gemstone's colour. Photographs and videos can therefore be particularly useful when choosing a sapphire online.

CAN MERMAID SAPPHIRES LOOK DIFFERENT UNDER DIFFERENT LIGHTING?

 

  • Yes. Like many coloured gemstones, mermaid sapphires can appear somewhat different under natural daylight, indoor lighting, and other lighting conditions.

    Lighting and viewing angle can influence how blue, green, aqua, and teal colours are perceived. This does not necessarily mean that the gemstone is a colour-change sapphire.

WHAT METALS PAIR WELL WITH MERMAID SAPPHIRES?

 

  • Mermaid sapphires can pair beautifully with several precious metals, depending on the individual gemstone's colour combination.

    White gold and platinum can emphasise cool blue and aqua tones. Yellow gold can create a warm contrast with green and teal colours, while rose gold can produce a distinctive contrast with certain blue-green sapphires.

WHAT JEWELLERY CAN BE MADE WITH A MERMAID SAPPHIRE?

 

  • Loose mermaid sapphires can be used for a wide range of custom jewellery designs, including engagement rings, pendants, earrings, bracelets, and bespoke jewellery.

    The individual ocean-inspired colour combination of each gemstone can make it an especially distinctive centrepiece for a one-of-a-kind jewellery design.

ARE MERMAID SAPPHIRES RARE?

 

  • The availability of sapphires described as mermaid sapphires can vary depending on the particular colour combination, size, clarity, origin, and overall quality of the gemstone.

    Because mermaid sapphire is a descriptive term rather than a separate gemological variety, rarity can vary significantly. Particularly attractive combinations of aqua, blue, green, and teal may be more difficult to find.

ARE MERMAID SAPPHIRES HEATED OR UNHEATED?

 

  • Mermaid sapphires may be offered as either heated or unheated, depending on the individual gemstone. Treatment information should always be reviewed before making a purchase.

    Unheated sapphires have not undergone heat treatment, while heated sapphires have been subjected to controlled heating processes. Treatment status can influence rarity, price, and buyer preference.

ARE MERMAID SAPPHIRES CERTIFIED?

 

  • Certification availability depends on the individual gemstone. A gemological laboratory certificate can provide information about a sapphire's identity and may include details relating to natural origin and treatment status.

    Reviewing the available certification and gemstone information can help buyers make a more informed purchasing decision.

HOW DO I CARE FOR A MERMAID SAPPHIRE?

 

  • Mermaid sapphires are durable gemstones, but all fine jewellery should be cared for properly. Cleaning with warm water, mild soap, and a soft brush is generally suitable for most sapphire jewellery.

    The safest cleaning method may depend on the gemstone's treatment, jewellery setting, and surrounding materials. Avoid unnecessary impacts and have frequently worn jewellery settings inspected periodically.

WHY CHOOSE A MERMAID SAPPHIRE FROM NASH GEMS?

 

  • At Nash Gems, we offer a selection of natural loose sapphires featuring distinctive ocean-inspired combinations of blue, green, aqua, and teal. Every gemstone has its own individual colour, pattern, and character.

    Detailed product information, photographs, videos, and gemstone specifications can help you select a sapphire for an engagement ring, custom jewellery project, gemstone collection, or other special purpose.