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Natural Greenish Yellow Sapphire 1.39 Ct Cushion Cut Loose Gemstone | Heat Treated September Birthstone

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$792.00 USD

Natural greenish yellow sapphire weighing 1.39 carats, featuring a cushion cut, greenish yellow colour, VVS clarity and heat treatment. Offered as a loose gemstone for custom engagement rings, pendants and bespoke jewellery designs, complete with certification from an authorised gemologist.

This natural greenish yellow sapphire displays bright yellow-green tones and weighs 1.39 carats. Cut in an elegant cushion shape, this loose gemstone is suitable for custom engagement rings, pendants and fine jewellery designs. Sold unset, it offers complete flexibility for creating a personalised jewellery piece while showcasing the natural beauty of earth-mined sapphire.

Quick Summary

  • Natural Greenish Yellow Sapphire
  • Weight: 1.39 Carats
  • Cushion Cut Loose Gemstone
  • Clarity: VVS
  • Colour: Greenish Yellow
  • Treatment: Heat Treated
  • Birthstone: September
  • Certificate from an authorised gemologist included

Greenish yellow sapphire belongs to the corundum family and is valued for its durability, distinctive colour and suitability for fine jewellery. The cushion cut combines soft rounded corners with excellent brilliance while enhancing the gemstone's natural appearance. With a Mohs hardness of 9, sapphire is suitable for jewellery intended for regular wear when professionally set.

As the September birthstone, sapphire has traditionally been associated with wisdom, loyalty and sincerity. Greenish yellow sapphires offer an elegant alternative to more common sapphire colours while maintaining the timeless appeal and durability for which natural sapphires are recognised.

Gemstone Specifications

  • Identification: Natural Sapphire
  • Species: Natural Corundum
  • Variety: Greenish Yellow Sapphire
  • Shape & Cut: Cushion Cut
  • Clarity: VVS
  • Weight: 1.39 Carats
  • Colour: Greenish Yellow
  • Measurements: 5.60 × 5.90 × 4.40 mm
  • Treatment: Heat Treated
  • Birthstone: September

Certification & Authenticity

This sapphire includes a certificate from an authorised gemologist confirming its natural origin and disclosed gemstone characteristics.

Seller Notes: A very clean gemstone with tiny natural internal characteristics visible under magnification. Such inclusions are commonly found in natural earth-mined sapphires and are consistent with natural gemstone formation.

Jewellery Applications

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

Suitable for:

  • Custom engagement rings
  • Anniversary rings
  • Pendants and necklaces
  • Halo ring designs
  • Solitaire ring settings
  • September birthstone jewellery
  • Bespoke fine jewellery
  • Gemstone collections

Custom jewellery services are available using yellow gold, white gold, rose gold, silver and platinum settings. Optional diamond accents are also available for bespoke designs.

Why Choose This Gemstone?

Natural greenish yellow sapphires are appreciated for their bright, distinctive colour and elegant appearance. Their unique yellow-green tones provide an attractive alternative to traditional blue sapphires while retaining the durability and versatility of natural corundum. Every sapphire displays its own natural characteristics, making each gemstone visually unique and suitable for personalised jewellery creations.

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Shipping & Returns

Worldwide shipping is available with tracking and insurance included. 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 in accordance with our published return policy.

Frequently Asked Questions

Is this a natural greenish yellow sapphire?

Yes. This gemstone is a natural earth-mined sapphire and is not synthetic or laboratory created.

Has this sapphire been treated?

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

Does this listing include a ring?

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

Is this gemstone suitable for an engagement ring?

Yes. Its cushion cut, durability and balanced proportions make it suitable for custom engagement ring designs and other fine jewellery.

Will the gemstone colour vary under different lighting?

Yes. Natural sapphires may display subtle colour variation under daylight, indoor lighting and other light sources. This is a normal characteristic of natural gemstones.

Teal blue and green parti sapphire cushion cut 1.39 ct gemstone from NASHGEMS, ideal for anniversary rings or pendants.
Natural Greenish Yellow Sapphire 1.39 Ct Cushion Cut Loose Gemstone | Heat Treated September Birthstone Sale price$792.00 USD

💎 Not Sure Which Sapphire To Choose?

Get free expert guidance before you buy.
We can help you choose the ideal gemstone based on:

✔ Color preference
✔ Budget
✔ Ring design
✔ Natural vs heated sapphires
✔ Engagement ring suitability

📩 Get Free Sapphire Consultation


WHAT IS A GREEN SAPPHIRE?

 

  • A green sapphire is a natural variety of sapphire that displays shades of green ranging from delicate mint and yellowish-green to olive, moss, and deep forest green. Green sapphires belong to the corundum family, the same gemstone family as blue sapphires.

    The exact color of each gemstone depends on its natural composition and the trace elements present during its formation. Because every natural sapphire is unique, green sapphires can display subtle secondary tones of blue, yellow, gray, or brown, giving each stone its own individual character.

WHAT COLORS CAN GREEN SAPPHIRES HAVE?

 

  • Green sapphires occur in a wide range of natural shades. Depending on the individual gemstone, the color can range from light and refreshing to deep and dramatic.

    Common shades include mint green, light green, yellowish-green, olive green, moss green, and deep forest green. Some gemstones may also display subtle blue-green or grayish-green undertones, creating a more complex and distinctive appearance.

ARE GREEN SAPPHIRES NATURAL?

 

  • Yes. A natural green sapphire is formed naturally within the earth as part of the corundum mineral family. Natural sapphires can occur in many different colors, including green.

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

ARE GREEN SAPPHIRES GOOD FOR ENGAGEMENT RINGS?

 

  • Yes. Green sapphires are an excellent choice for engagement rings because sapphire has a hardness of 9 on the Mohs scale. This makes sapphire one of the most durable gemstones commonly used in fine jewelry.

    A green sapphire engagement ring is particularly appealing for those looking for an alternative to traditional diamonds or blue sapphires. Its distinctive natural color can create a ring that feels personal, elegant, and completely individual.

WHY ARE GREEN SAPPHIRES POPULAR FOR ENGAGEMENT RINGS?

 

  • Distinctive Natural Color: Green sapphires offer a refreshing alternative to traditional blue sapphires and diamonds, with colors ranging from soft mint to rich forest green.

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

    Every Gemstone Is Unique: Natural variations in color, saturation, and secondary tones mean that no two green sapphires look exactly alike.

    Versatile Design Options: Green sapphires can look beautiful in yellow gold, white gold, rose gold, and platinum, allowing for a wide range of jewelry styles.

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

 

  • A green sapphire primarily displays green as its dominant color, although it may contain subtle secondary hues. A teal sapphire, on the other hand, generally displays a more noticeable combination of blue and green.

    The boundary between these color descriptions is not always exact because natural sapphires can display a broad spectrum of hues. The appearance of each gemstone should therefore be considered individually.

WHAT IS THE DIFFERENCE BETWEEN GREEN SAPPHIRE AND EMERALD?

 

  • Green sapphire and emerald are different gemstones with different mineral compositions. A green sapphire belongs to the corundum family, while an emerald belongs to the beryl family.

    One of the major differences is durability. Sapphire has a hardness of 9 on the Mohs scale, while emerald is generally softer. Green sapphires can also display a wider variety of green tones, ranging from subtle pastel colors to deep olive and forest greens.

WHAT FACTORS SHOULD I CONSIDER WHEN BUYING A GREEN SAPPHIRE ONLINE?

 

  • When buying a green sapphire online, consider the gemstone's color, saturation, clarity, cut, carat weight, shape, dimensions, treatment status, and certification information where available.

    High-quality photographs and videos are particularly important because green sapphires can look different depending on lighting conditions. Reviewing accurate measurements can also help when selecting a gemstone for a custom engagement ring or other jewelry design.

HOW DO I CHOOSE THE BEST GREEN SAPPHIRE?

 

  • The best green sapphire is ultimately the one whose color and character appeal most to you. Some buyers prefer vivid green tones, while others are drawn to subtle mint, olive, moss, or forest-green shades.

    When selecting a gemstone, consider the overall color, brightness, cut, clarity, size, shape, and how the sapphire will be used in your jewelry design. It is also useful to view the gemstone under different lighting conditions where possible.

WHICH METALS PAIR WELL WITH GREEN SAPPHIRES?

 

  • Green sapphires can be paired with a variety of precious metals. Yellow gold can enhance warmer green and olive tones, while white gold and platinum can create a clean and contemporary contrast.

    Rose gold can also complement certain green sapphires and create a distinctive contrast. The best metal depends on the particular shade of green and the overall style of the jewelry.

WHAT JEWELRY CAN BE MADE WITH A GREEN SAPPHIRE?

 

  • Loose green sapphires are highly versatile and can be used in many types of custom jewelry. Popular choices include engagement rings, wedding jewelry, pendants, earrings, bracelets, and bespoke designs.

    Because sapphire is durable, it is particularly suitable for jewelry that is intended to be worn regularly. The shape and dimensions of the gemstone can help determine the most suitable setting and design.

ARE GREEN SAPPHIRES RARE?

 

  • Natural sapphires occur in a wide variety of colors, and the availability of green sapphires can vary considerably depending on the specific shade, size, clarity, origin, and overall quality of the gemstone.

    Some shades and color combinations may be more difficult to find than others. Rather than focusing only on rarity, buyers should consider the overall beauty, color, quality, and individuality of the particular gemstone.

ARE GREEN SAPPHIRES HEATED OR UNHEATED?

 

  • Green sapphires may be offered as either heated or unheated, depending on the individual gemstone. Treatment information should always be reviewed carefully before purchasing.

    Unheated sapphires have not undergone heat treatment, while heated sapphires have been subjected to controlled heating processes. The treatment status can influence rarity, price, and buyer preference, so certification or disclosure from the seller is important.

ARE GREEN 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.

    When selecting a valuable green sapphire, reviewing the available certification and gemstone information can help buyers make a more informed purchasing decision.

HOW DO I CARE FOR A GREEN SAPPHIRE?

 

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

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

WHY CHOOSE A GREEN SAPPHIRE FROM NASH GEMS?

 

  • At Nash Gems, we offer a selection of natural loose green sapphires in a variety of shades, shapes, sizes, and characteristics. Each gemstone has its own individual color and personality.

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