5.64 Carat Unheated Natural Blue Sapphire – Rectangular Cushion Sugarloaf Cut

Low stock - only 1 items left

$7,400.00 AUD

Estimated delivery between February 01 and February 03.

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Unheated Natural Blue Sapphire – 5.64ct Rectangular Cushion Sugarloaf Cut

Presenting an extraordinary 5.64 carat Natural Blue Sapphire, crafted in the exceptionally rare Sugarloaf cut with a refined rectangular cushion profile. Measuring 9.84 Γ— 8.10 Γ— 6.00 mm, this gemstone showcases a smooth domed apex, soft rounded edges, and deep glowing blue saturationβ€”features that define premium sugarloaf sapphires.

This sapphire is 100% earth sourced, unheated, and untreated, maintaining its natural beauty exactly as it was formed within the earth. Originating from the world-famous gemstone mines of Ceylon, the stone exhibits SI to eye-clean clarity with rich, even color distribution.

As an Australian-based gem merchant with direct sourcing since 2014 and more than 60 years of family heritage in the natural gemstone trade, Sapphire Pal specializes in premium Australian Sapphires, Ceylon Sapphires, Madagascan Sapphires, Blue Green Sapphires, Peacock Sapphires, and other rare earth-sourced gemstones. Our stones are favored by contemporary jewelry designers, bespoke jewelry makers, collectors, and fine jewelry enthusiasts worldwide.

Gemstone Specifications

  • Gem Type: Natural Blue Sapphire
  • Origin: Ceylon (Sri Lanka)
  • Treatment: None – Unheated & Untreated
  • Weight: 5.64 Carats
  • Shape: Rectangular Cushion
  • Cut: Sugarloaf Cut – Domed, cabochon-style apex with perfect symmetry
  • Clarity: SI
  • Dimensions: 9.84 Γ— 8.10 Γ— 6.00 mm
  • Certification: Comes with Sapphire Pal Gemstone Authenticity Confirmation

What Makes the Sugarloaf Cut Special?

Sugarloaf sapphires are exceptionally rare and highly prized in luxury jewelry and high-end bespoke designs. The domed apex enhances the sapphire’s internal glow, giving it a mesmerizing luminous effect that is different from faceted gemstones. This cut is perfect for:

  • Statement rings and bold engagement rings
  • Fine jewelry creations and bespoke commissions
  • Collectors of rare gemstones
  • High-end designer jewelry pieces

Earth-Sourced & Ethical

This gemstone is responsibly sourced with full transparency. Sapphire Pal works directly with miners and trusted partners to deliver authentic, earth-sourced gemstones from Ceylon, Australia, Madagascar, and other renowned origins.

High-Definition Video Showcase

See the true beauty, luster, and dome profile of this sugarloaf sapphire in motion:

Click here to watch the video directly on YouTube.

Worldwide Fast, Secure & Insured Shipping

We ship directly from Australia with complimentary worldwide insured delivery. Each sapphire is carefully packaged and fully protected, ensuring safe arrival for jewelry designers, collectors, and gemstone enthusiasts globally.

Learn More About Natural Gemstones

Enhance your gemstone knowledge with our trusted guides:

Shipping and Returns

All Orders are processed within 1-2 Business days. Orders are not shipped or delivered on weekends or holidays

We have a 7-day return policy, which means contact us within 7 days of delivery and items must receive back to us within 30 days of delivery.

For more information please visit our policy section.

Import Taxes

Import Taxes & Duties


Orders shipped outside Australia may be subject to local import taxes, VAT/GST, or customs duties. These fees are determined by the destination country’s customs policies and are not included in the price displayed on our website.

  • Australia: No additional fees for domestic orders.
  • United States / United Kingdom / EU: Duties and import taxes may apply depending on value and category.
  • Canada & Asia: May incur customs charges or local VAT/GST.


We ship all parcels with full insurance and required customs documentation for a smooth delivery experience.

✨ Need help?

For special arrangements, pre-paid tax support, or questions about your country's import regulations,
please contact us here. We're happy to assist with accurate information and a custom shipping solution.

To learn more about taxes and customs for your country, please visit our
Import Taxes & Duties page.

Lay‑by Plan

Lay‑by Payment Plan


We offer flexible lay‑by options to make owning your perfect gemstone easier. Secure your chosen gem today and pay it off over time.

  • Deposit: 20% minimum upfront to reserve the stone.
  • Payment Term: Up to 60 days (negotiable).
  • Balance: Pay in full before shipment.
  • No interest or hidden fees.


Once your lay‑by plan is confirmed, we’ll temporarily reserve the item and hold it securely until fully paid.

πŸ’¬ Want to customize your plan?

For special payment arrangements, longer terms, or tailored schedules,
please contact us here. We’re happy to negotiate flexible options that suit your needs.

You can find full details on our
Lay‑by Terms page, or contact us for special arrangements.

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Shop our selection of ethically sourced gemstones, each one a unique treasure from the earth. Elevate your jewelry with responsibly mined beauty today.

Gemstone Education Center: Learn Before You Buy

Discover expert insights on natural sapphires and other ethically sourced gemstones. From buying guides to care tips, empower your purchase with knowledge.

Learn. Choose. Shine – The Smarter Way to Shop Gemstones.