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Shiraz Jewelry

Unheated Teal Sapphire 4.02 Ct Natural Oval Cut Blue‑Green — Loose Gemstone

Unheated Teal Sapphire 4.02 Ct Natural Oval Cut Blue‑Green — Loose Gemstone

฿65,000.00 THB
฿65,000.00 THB
Sale Sold out

This exceptional 4.02 carat unheated teal sapphire displays a refined balance of blue and green tones, shifting gracefully under different light. Its elegant oval cut enhances brilliance while maintaining a soft, sophisticated presence—ideal for a bespoke engagement ring or a one-of-a-kind fine jewelry creation.

Unlike most sapphires on the market, this gemstone is completely unheated, meaning its color and clarity are entirely natural. Unheated sapphires are increasingly rare and highly valued by collectors and knowledgeable buyers for their authenticity, stability, and long-term value.

The sapphire’s calming teal hue evokes ocean depths and quiet strength, making it a compelling alternative to traditional blue sapphires or diamonds. Its generous size offers strong visual impact while remaining refined and wearable.

This gemstone is offered as a loose sapphire, allowing you full freedom to create a custom ring, pendant, or heirloom piece. At Shiraz Jewelry, we specialize in natural gemstones and handcrafted fine jewelry, with over four decades of experience serving collectors and clients from around the world.

Gemstone Details

  • Gemstone: Natural Sapphire
  • Color: Teal (Blue-Green)
  • Carat Weight: 4.02 ct
  • Cut: Oval
  • Treatment: Unheated (No heat treatment)
  • Clarity: Transparent (natural inclusions may be present)
  • Form: Loose gemstone

Why Choose an Unheated Teal Sapphire?

  • Rare and increasingly sought after
  • Natural color with no enhancement
  • Excellent durability for daily wear
  • Distinctive alternative to classic blue sapphires
  • Ideal for engagement rings and custom fine jewelry

📌 Certification available upon request
📌 Worldwide shipping | Trusted by international clients

Details

Make: Natural

Metal:

Gemstone: Sapphire

Gender: Unisex

Color: Blue Green

Age: Adults

Shipping & Returns

Please refer to our Refund Policy

We ship internationally using registered service. Free shipping for total orders from items available online of min THB 35,000 via DHL/UPS.

Care Instructions

  • Clean with lukewarm water, mild soap, and a soft toothbrush.
  • Store separately to avoid scratches.
  • Avoid harsh chemicals, hand sanitizers, and perfumes.
  • Remove before swimming, working out, or gardening.
  • Avoid rapid temperature changes to protect the gemstone(s).
  • Have prongs checked annually by a professional jeweler.
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Engagement Rings - FAQ

What is the best gemstone for an engagement ring besides diamond?

Sapphire, especially unheated ones from Thailand, are a durable and beautiful alternative. They come in various colors including blue, green, and pink, and are ideal for daily wear.

What’s the difference between heated and unheated gemstones?

Heated stones have been enhanced for color, which is common. Unheated stones are rarer and considered more valuable by collectors.

Is it okay to choose a colored gemstone for an engagement ring?

Absolutely! Many modern couples choose sapphires, spinels, or emeralds to express personality and style.

How do I know my ring size?

You can visit us in person or use a printable ring sizer. If it’s a surprise, try borrowing a ring they wear on their ring finger.

Can I customize my engagement ring?

Yes! We offer custom ring designs. You can choose the gemstone, setting, and style that suits your love story.

Gemstones - FAQ

Explore

  • What is an unheated green sapphire?

    It’s a natural sapphire that hasn’t undergone heat treatment to enhance color. It’s rare, collectible, and more valuable.

  • What gemstones is Thailand famous for?

    Thailand is especially known for sapphires (blue, green, yellow), rubies, spinel, zircon, and garnet. The Chanthaburi and Kanchanaburi regions are particularly famous for gem mining.

  • Are gemstones cheaper in Thailand?

    Often yes, because Thailand is close to gem sources and has lower cutting costs. But prices vary depending on the type, quality, and treatment of the stone.

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    Have you tried a Thai Green Sapphire ?

    Have you ever tried a Thai Green Sapphire? Look, it costs a fraction of the price of blue sapphires, and we have sourced the finest green sapphires from Thailand! With their unique hue and exceptional clarity, these gems are sure to add a touch of elegance to any jewelry collection. Read more about green sapphire