1.73ct Natural Blue Sapphire — Round Cut (Ceylon, SI)

Out of stock

$900.00 AUD

Estimated delivery between December 19 and December 21.

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1.73ct Natural Blue Sapphire — Round Cut (Ceylon, SI)

Brilliant round blue sapphire from Ceylon (Sri Lanka) with lively color and classic symmetry. Measuring ~7.05 mm across and weighing 1.73 carats, this earth-sourced gemstone offers vivid sparkle for engagement rings, fine pendants, or elegant stud earrings.

  • Natural Sapphire: Durable corundum ideal for everyday gem and jewelry wear.
  • Ceylon Origin: Sought-after source for high-performance sapphire gemstones.
  • Round Brilliant Cut (~7.05 mm): Timeless silhouette with excellent face-up presence.
  • SI Clarity: Appealing brilliance with natural inclusions typical of natural gemstones.
  • Treatment: Not specified. Many blue sapphires are routinely heat-treated in the trade; contact us if you require confirmed unheated status.
  • Authentication: Supplied with Sapphire Pal Gemstone Authenticity Confirmation.
  • Shipping: Free, fast & insured worldwide shipping — dispatch from Australia.

Gemstone Specifications

Gem Natural Blue Sapphire
Origin Ceylon (Sri Lanka)
Shape / Cut Round Cut
Weight 1.73 carats
Dimensions Diameter ~7.05 mm × Depth 4.75 mm (approx.)
Clarity SI
Treatments Not specified (inquire for details)

Design Inspiration & Setting Ideas

Showcase this round sapphire in a classic four- or six-prong solitaire, a pavé halo, or a three-stone ring with tapered baguettes or natural diamonds. Platinum/white gold enhances brightness; yellow gold creates a luxurious contrast. Perfect for jewelry makers crafting custom fine jewelry.

Why Buy from Sapphire Pal

  • Australian-based (est. 2014) with 60+ years of family heritage in natural gemstones & colored gemstones.
  • Direct sourcing (including our own mines) for ethical, earth sourced gemstones.
  • Expert support for jewelry designs, from contemporary to bespoke.
  • Explore our curated Australian Sapphires, Ceylon Sapphires, and Madagascan Sapphires.

Helpful Guides

New to choosing a round center stone? Explore:

What You’ll Receive

  • 1.73ct Natural Blue Sapphire (Loose Gemstone)
  • Sapphire Pal Gemstone Authenticity Confirmation
  • Protective packaging with free insured worldwide shipping

All measurements are approximate; color may vary under different lighting. This faceted gemstone is natural and ready for your preferred setting.

 

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.

💬 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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