• 5.97 carat unheated emerald cut green sapphire loose gemstone front view
  • Macro detail showing clarity and facets of unheated emerald cut green sapphire certificate
  • Natural untreated forest green sapphire gemstone 5.97 ct from Shiraz Jewelry
  • Top down studio view of rectangular step cut unheated green sapphire
  • Loose 5.97 carat natural green sapphire for custom engagement ring setting
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Shiraz Jewelry

5.97 Carat Natural Unheated Green Sapphire Emerald Cut Loose Gemstone

5.97 Carat Natural Unheated Green Sapphire Emerald Cut Loose Gemstone

฿69,000.00 THB
฿69,000.00 THB
할인 품절

This 5.97 carat natural unheated green sapphire features an exquisite emerald cut with clean step-cut faceting, superior clarity, and a rich sage green tone. Sourced and curated by Shiraz Jewelry in Chiang Mai, Thailand, this rare loose gemstone remains 100% untreated, preserving its authentic corundum structure and long-term investment value.

Gemstone Specifications

Feature Details
Carat Weight 5.97 ct
Gem Type Natural Sapphire (Corundum)
Cut / Shape Emerald Cut (Octagon Step Cut)
Color Tone Deep Forest Green / Sage Teal
Treatment 100% Unheated & Untreated
Clarity Eye-Clean / High Transparency
Hardness 9 on Mohs Scale
Best For Bespoke Engagement Rings, Solitaires, Fine Jewelry

 

Key Product Highlights

  • 100% Natural & Unheated: Contains zero heat or chemical enhancements, preserving its natural color and gemstone rarity.
  • Master Step-Cut Geometry: Symmetrical emerald facets yield crisp reflection, highlighting the deep center table without light leakage.
  • High Investment Potential: Natural unheated sapphires nearing 6 carats are exceptionally rare in the global gemstone market.
  • Ethical Sourcing: Hand-selected in Chiang Mai, Thailand, by trusted gemstone experts.

Bespoke Custom Settings

Turn this loose 5.97ct green sapphire into a one-of-a-kind piece. Partner directly with Shiraz Jewelry to design a custom 14k gold, 18k gold, or platinum setting with worldwide insured shipping.

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우리는 등록된 서비스를 사용하여 국제적으로 배송합니다. DHL/UPS를 통해 총 주문 금액이 THB16,000 이상인 경우 무료 배송이 제공됩니다.

관리 지침

  • 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.
전체 세부 정보 보기

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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    Natural green sapphire ring with diamonds set in 18k white gold

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