Natural Blue Madagascar Sapphire 0.75 Carat Oval Cut Unheated Loose Gemstone

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$550.00 AUD

Estimated delivery between July 11 and July 13.
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Ethically & Responsibly
Sourced
Natural Gemstones
Only
60+ Years
Gem Trade Heritage
Australian-Owned
Since 2014
Worldwide Insured
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Natural Blue Madagascar Sapphire 0.75 Carat Oval Cut Unheated Loose Gemstone

This natural blue Madagascar sapphire weighing 0.75 carat is an elegant oval cut loose gemstone with an eye-clean appearance and no treatment listed. Sourced from Madagascar, this natural sapphire measures approximately 5.73 x 4.24 x 3.40 mm and offers a classic blue appearance for a custom ring, pendant, promise ring, or bespoke fine jewelry design.

The oval cut gives this sapphire a balanced, versatile shape that can work beautifully in both traditional and contemporary jewelry. Its natural blue color and eye-clean clarity make it an appealing choice for jewelry lovers, jewelry makers, and gem collectors searching for an individual earth-sourced gemstone rather than a mass-produced finished jewelry piece.

Natural Madagascar Blue Sapphire Gemstone Details

  • Gemstone: Natural Blue Sapphire
  • Origin: Madagascar
  • Weight: 0.75 carat
  • Shape & Cut: Oval Cut
  • Dimensions: Approximately 5.73 x 4.24 x 3.40 mm
  • Color: Blue
  • Clarity: Eye-clean
  • Treatment: None / Unheated
  • Type: Natural loose sapphire, faceted gemstone, cut and polished gemstone
  • Authenticity: Includes Sapphire Pal gemstone authenticity confirmation
  • Optional Laboratory Testing: GSL Australia laboratory testing can be arranged upon request
  • Shipping: Free, fast, secure, and insured worldwide shipping from Australia

What Could You Create With This 0.75 Carat Blue Sapphire?

The classic oval shape of this natural blue sapphire gives you several possibilities for a personal jewelry design. A jeweler can create the setting around the gemstone's actual dimensions, allowing the natural sapphire to remain the central feature of the finished piece.

  • Blue sapphire engagement ring: Create an elegant oval sapphire solitaire with a clean prong setting.
  • Promise ring: Design a meaningful natural sapphire promise ring for everyday wear.
  • Natural diamond accent ring: Pair the blue sapphire with small natural diamonds for contrast and extra brilliance.
  • Three-stone ring: Add complementary side stones for a classic fine jewelry design.
  • Custom pendant: Set the oval gemstone vertically in a delicate blue sapphire pendant.
  • Bespoke jewelry: Work with a jewelry maker to create a one-of-a-kind setting around the exact sapphire.
  • Gem collector piece: Add this unheated Madagascar sapphire to a natural gemstone or loose sapphire collection.

Why Choose an Unheated Madagascar Blue Sapphire?

This natural sapphire is listed with no treatment, making it especially interesting for clients comparing unheated sapphire gemstones and untreated sapphires with treated stones. The natural blue appearance, eye-clean clarity, and oval cut give the gemstone a versatile character for personal jewelry designs.

Madagascan sapphires are part of the wider world of natural colored gemstones available to jewelry designers and collectors. When comparing Madagascan sapphires with Ceylon sapphires or Australian sapphires, each individual gemstone should be considered according to its actual color, clarity, cut, dimensions, treatment information, and appearance in different lighting conditions.

An Oval Blue Sapphire for Rings and Fine Jewelry

Oval sapphire gemstones are popular for a wide variety of jewelry designs because their elongated outline can create an elegant appearance on the finger or in a pendant. This 0.75 carat loose sapphire may work beautifully in a minimalist solitaire, natural diamond halo, three-stone design, or contemporary jewelry setting.

White gold and platinum can complement the cooler blue appearance of the sapphire, while yellow gold or rose gold may create a warmer contrast. Choosing a loose gemstone first also gives you the freedom to discuss different jewelry designs with your jeweler before committing to a finished setting.

A Natural Earth-Sourced Faceted Gemstone

This natural sapphire has been cut and polished into an oval faceted gemstone to reveal its blue color and reflective character. Natural gemstones can display subtle differences in tone, internal characteristics, and light performance, giving each stone its own individual appearance.

For jewelry lovers, jewelry makers, and gem collectors, selecting an exact loose gemstone can make a bespoke jewelry project more personal. Rather than choosing a standardized center stone, you can create the final jewelry design around the actual natural sapphire you have selected.

Buying a Natural Loose Sapphire Online

When comparing loose sapphires and other precious stones online, review more than carat weight alone. Consider the gemstone's color, clarity, dimensions, cut, treatment information, and appearance in available photos and videos.

Our Natural Sapphire & Colored Gemstone Buying Guide provides practical information for clients comparing natural sapphire gemstones, faceted gemstones, loose gemstones, and other colored gemstones.

If you are purchasing a natural gemstone for the first time, visit our First-Time Gemstone Buyer Guide before choosing a sapphire for an engagement ring, promise ring, pendant, or bespoke jewelry project.

About Sapphire Pal Australia

Sapphire Pal is an Australian-based gem merchant established in 2014, supported by more than 60 years of family heritage in the natural gemstone trade. Our sourcing relationships include trusted direct dealers, established gemstone networks, mining connections, and long-standing relationships within the international gem trade.

We focus on natural earth-sourced gemstones and do not market lab-grown or synthetic gemstones as natural stones. Our collection includes Madagascan sapphires, Ceylon sapphires, Australian sapphires, unheated sapphire gemstones, loose sapphires, faceted gemstones, and other natural colored gemstones selected for jewelry lovers, jewelry makers, and gem collectors.

Orders are dispatched from Australia with free, fast, secure, and insured worldwide shipping. Learn more about Sapphire Pal and our gemstone heritage, explore our Gemstone Education Center, or contact Sapphire Pal Australia for additional photos, videos, or questions about this natural Madagascar sapphire.

Important Natural Sapphire Note

Note: Color may vary slightly across screens, camera settings, lighting conditions, and viewing angles. Blue sapphire may appear lighter, deeper, warmer, or cooler depending on the light source. Dimensions and weight are measured carefully; however, minor variations are normal for natural gemstones.

Natural sapphires may display internal growth characteristics, inclusions, or other natural features under magnification. This gemstone is listed as eye-clean and unheated. Please review all available photos, videos, measurements, treatment information, and authenticity details before purchase.

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.

Gemstone Buyer Help

Common Questions About This Gemstone

Helpful answers before choosing this sapphire for jewelry, collection, or a custom design.

Is this gemstone natural?

Yes. This gemstone is listed as an earth-sourced natural sapphire. Sapphire Pal does not market lab-grown or synthetic gemstones as natural stones. Please review each product page for its specific origin, treatment, certification, and authenticity details before purchase.

Where is this gemstone from?

This gemstone is listed with an origin of Madagascar. Sapphire Pal is an Australian-based gem merchant established in 2014, with direct sourcing connections and over 60 years of family heritage in the natural gemstone trade.

Is this gemstone treated?

This gemstone is listed with the treatment detail: None.

What are the main details of this gemstone?

This gemstone is listed with the following details: 0.1-1 , Oval , Eye Clean clarity.

Can this gemstone be used in jewelry?

This sapphire can be considered for a range of jewelry designs, depending on its size, shape, hardness, setting style, and how often the piece will be worn. Its oval shape may suit rings, pendants, earrings, necklaces, bracelets, brooches, collector pieces, or bespoke custom jewelry designs. For engagement rings, wedding rings, promise rings, or everyday-wear jewelry, we recommend discussing the setting style first so the gemstone can be protected properly.

Do you ship from Australia?

Yes. Sapphire Pal dispatches orders from Australia and offers free, secure worldwide insured shipping, making it easy for international clients to purchase natural gemstones with confidence. Most orders are carefully packed and shipped with tracking for a safe delivery experience.

For international orders, any local customs duties, VAT, import taxes, or government charges are determined by your country and may apply on arrival. These charges are separate from Sapphire Pal and are the buyer’s responsibility where applicable.

If you have any concerns or questions about possible import taxes, customs charges, or additional delivery-related costs, please contact us before purchase. We are happy to guide you and discuss the best possible arrangement for your order.

Can I request more photos or videos?

Yes. You can contact Sapphire Pal before purchase to request additional daylight videos, hand videos, side/profile views, or comparison photos. This is especially helpful when choosing loose gemstones for engagement rings, promise rings, pendants, bespoke jewelry, fine jewelry, or gem collector pieces.

Can you help make this into jewelry?

Yes. Sapphire Pal can assist with simple bespoke jewelry guidance. You can purchase the loose gemstone first, then discuss ring, pendant, earrings, necklace, bracelet, or other custom jewelry design options with us.

Is authenticity confirmation included?

Yes. Sapphire Pal includes gemstone authenticity confirmation. A GSL Australia lab test report may also be available upon request, depending on the gemstone and customer requirements.

Need help before buying? Contact Sapphire Pal for extra photos, videos, setting advice, import tax questions, or gemstone comparison support. Ask About This Gemstone

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