5.64ct Unheated Natural Blue Sapphire Sugarloaf Cut | Rectangular Cushion | Ceylon Sapphire | Earth Sourced Gem | Fine Jewelry Stone

5.64 Carat Unheated Natural Blue Sapphire – Rectangular Cushion Sugarloaf Cut | Ceylon Origin | Earth-Sourced Gemstone

This exceptional 5.64ct Natural Blue Sapphire features a rare rectangular cushion sugarloaf cut, showcasing a smooth domed apex with beautifully rounded contours. Fully unheated, untreated, and 100% earth sourced, this sapphire has been left in its natural state—making it an elite collector’s gemstone and a premium choice for high-end custom jewelry.

Hand-selected for brilliance, depth of color, and clarity, this Ceylon-origin sapphire exhibits SI to eye-clean clarity, glowing blue saturation, and a luminous presence that only sugarloaf cuts can produce.

Perfect for:
✨ Engagement rings
✨ Fine jewelry designers
✨ Bespoke jewelry commissions
✨ Collectors of rare gemstones
✨ Luxury gift pieces
✨ High-value investment gemstones

🔹 Gemstone Details

Gem Type: Natural Blue Sapphire

Carat Weight: 5.64 carats

Cut: Sugarloaf Cut

Shape: Rectangular Cushion

Dimensions: 9.84 × 8.10 × 6.00 mm

Clarity: SI

Treatment: None – Unheated & Untreated

Origin: Ceylon (Sri Lanka)

Certification: Sapphire Pal Gemstone Authenticity Confirmation included

Shipping: Worldwide free & insured shipping from Australia

🔹 Why Choose Sapphire Pal?

Sapphire Pal is an Australian-based gemstone merchant, established in 2014 and backed by over 60 years of family expertise in the natural gemstone industry. We specialize in:

💎 Australian Sapphires
💎 Ceylon Sapphires
💎 Madagascan Sapphires
💎 Untreated & Unheated Sapphires
💎 Earth-Sourced Gemstones
💎 Blue Green & Peacock Sapphires
💎 Rare Faceted and Collector Gemstones

Every gemstone is sourced responsibly from trusted mines and delivered with full transparency, authenticity, and professional documentation.

🔹 Video Showcase

See the sapphire’s glow and sugarloaf dome in motion:
▶️ YouTube Video: https://www.youtube.com/shorts/YvorwqavAjg

🔹 Shipping & Packaging

Free worldwide shipping

Fully insured parcel

Tracked & signature required

Packaged securely for maximum protection

Ships directly from Australia

🔹 Perfect For

✔ Fine jewelry makers
✔ Engagement & wedding ring designers
✔ Luxury bespoke jewelry
✔ Collectors and investors
✔ Gem lovers seeking rare, untreated stones

If you need help designing a custom ring or pendant for this gemstone, feel free to message us anytime. We’re here to help bring your design to life.





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Natural Sapphire

Earth Mined Gemstone

Unheated

Untreated

Ceylon Origin

Sugarloaf Cut