1.00ct Natural Blue-Green Sapphire – Oval 6.4 × 5.77 mm (Madagascar, Untreated)

Low stock - only 1 items left

$150.00 AUD

Estimated delivery between December 17 and December 19.

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1.00ct Natural Blue-Green Sapphire – Oval 6.4 × 5.77 mm (Madagascar, Untreated)

This vivid Natural Blue Green Sapphire from Madagascar is expertly cut in a classic oval to showcase its teal/blue-green hue and bright return. An untreated, earth-sourced loose sapphire with practical proportions, it’s a refined choice for fine jewelry, bespoke designs, and modern engagement rings.

  • Carat weight: 1.00 ct
  • Dimensions: 6.4 × 5.77 × 3.23 mm (approx.)
  • Shape/Cut: Oval (faceted gemstone)
  • Color: Blue-Green
  • Clarity: I
  • Treatment: None — unheated / untreated sapphire
  • Origin: Madagascar
  • Certification: Sapphire Pal Gemstone Authenticity Confirmation
  • Category: Loose Sapphire / Sapphire gemstones / Precious stones

Why buy from Sapphire Pal

  • Australian-based gem merchant with direct sourcing — established 2014
  • ✔️ Over 60 years of family heritage in the natural gemstone trade
  • Earth-sourced gemstones from trusted partners and our own mines
  • Dispatched from Australia — fast, secure, insured worldwide shipping (free)
  • Work 1-on-1 with our specialists for bespoke jewelry and contemporary jewelry designs

Ideal for custom jewelry

The balanced 6×5 mm oval footprint flatters solitaire and halo engagement rings, wedding rings, and minimalist pendants. Jewelers and jewelry lovers value blue-green sapphire stones for their distinctive, modern color that pairs beautifully with yellow, white, or rose gold.

Specification table

Property Value
Gemstone Natural Sapphire (Corundum)
Color Blue-Green
Carat weight 1.00 ct
Dimensions (mm) 6.4 × 5.77 × 3.23
Cut Oval — cut and polished gemstone
Clarity I
Treatment None (unheated / untreated)
Origin Madagascar
Category Loose gemstones / Sapphire gemstones
Use Fine jewelry, bespoke jewelry, engagement rings, wedding rings

Shipping & authenticity

  • Dispatch: From Australia
  • Shipping: Free, secure, and insured worldwide
  • Included: Sapphire Pal Gemstone Authenticity Confirmation
  • Questions? Contact our team

Helpful resources

Popular searches & related categories

Blue-Green Sapphires, Teal sapphires, Madagascan Sapphires, Loose Sapphire, Natural gemstones, Earth-sourced gemstones, Faceted gemstones, Precious stones, Jewelry designs, Jewelry makers, Jewelry lovers, Gem collector, Rare gemstones, Bespoke jewelry, Contemporary jewelry, Fine jewelry, Engagement rings, Wedding rings, Australian Sapphires, Ceylon Sapphires.

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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