Natural Rhodolite Garnet 21.33 Carat Octagonal Emerald Cut Certified Loose Gemstone
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$2,600.00 AUD
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Natural Rhodolite Garnet 21.33 Carat Octagonal Emerald Cut Certified Loose Gemstone
This impressive natural rhodolite garnet weighing 21.33 carats is a substantial octagonal emerald cut loose gemstone with a rich red appearance and transparent character. According to the accompanying AGCL gemstone report, the stone is identified as Natural Rhodolite, Garnet Family.
Measuring approximately 17.56 x 13.20 x 9.00 mm, this exceptionally large faceted gemstone offers dramatic visual presence. Its broad emerald-style table, clipped octagonal corners, and deep red body color make it an eye-catching choice for a statement ring, cocktail ring, custom pendant, collector gemstone, or bold bespoke fine jewelry design.
Certified Natural Rhodolite Garnet Gemstone Details
- Gemstone Identification: Natural Rhodolite – Garnet Family
- Color: Red
- Transparency: Transparent
- Shape & Cut: Octagonal / Emerald Cut
- Weight: 21.33 carats
- Dimensions: Approximately 17.56 x 13.20 x 9.00 mm
- Refractive Index: 1.760
- Hardness: 7
- Absorption Spectrum: Iron Spectrum
- Laboratory: Arctic Gem Certification & Laboratory – AGCL
- Report Number: F260631
- Report Date: 06 June 2026
- Type: Natural loose gemstone, faceted gemstone, cut and polished gemstone
- Shipping: Free, fast, secure, and insured worldwide shipping from Australia
What Could You Create With This 21.33 Carat Rhodolite Garnet?
At more than 21 carats, this natural rhodolite garnet is designed to make a visual statement. Its large octagonal emerald cut gives jewelry makers and designers an opportunity to build a one-of-a-kind setting around the exact gemstone rather than adapting a standard calibrated design.
- Statement ring: Create a bold natural rhodolite garnet ring with the large red gemstone as the unmistakable centerpiece.
- Cocktail ring: Use the octagonal emerald cut in a dramatic contemporary jewelry design.
- Natural diamond accent ring: Pair the red garnet with natural diamond side stones or a refined diamond halo for color contrast.
- Custom pendant: Set the substantial gemstone vertically in a bespoke pendant designed around its 17.56 mm length.
- High jewelry-inspired design: Combine the rhodolite garnet with gold, platinum, or selected accent gemstones for an individual fine jewelry piece.
- Gem collector piece: Preserve this large certified natural gemstone as part of a loose gemstone or colored gemstone collection.
A Large Red Rhodolite Garnet With Strong Visual Presence
The attached gemstone images show a deep red appearance with brighter crimson-red reflections visible through parts of the faceting. The broad rectangular center and darker red edge areas give this natural gemstone a dramatic look that changes as the stone moves through light.
Its octagonal emerald cut creates a geometric appearance with clipped corners and broad facet arrangements. This shape can appeal to clients who prefer substantial faceted gemstones and contemporary jewelry designs rather than traditional round or oval gemstones.
Because the stone measures approximately 17.56 x 13.20 x 9.00 mm, we strongly recommend that a jeweler review the complete dimensions and depth before creating the final setting. A purpose-built custom setting may offer the best balance of gemstone security, comfort, and visual presentation.
Why Choose a Certified Natural Rhodolite Garnet?
The accompanying AGCL gemstone report identifies this stone as Natural Rhodolite within the Garnet Family. Laboratory identification provides additional gemstone information beyond a visual product description and confirms the mineral identification stated in the report.
For clients comparing natural gemstones, colored gemstones, and other precious stones, the exact identity, dimensions, transparency, cut, and weight of the individual gemstone are important considerations. This 21.33 carat rhodolite garnet stands out particularly because of its substantial size and geometric emerald-style cut.
The laboratory report provided for this exact gemstone does not state a geographic origin or treatment conclusion. Sapphire Pal therefore does not make an origin or untreated claim for this stone based solely on the current report.
A Faceted Gemstone for Bespoke and Contemporary Jewelry
Choosing a loose gemstone first gives jewelry designers greater freedom to create a setting around the actual stone. This natural rhodolite garnet could work beautifully in yellow gold for a warm, rich appearance, rose gold for a softer red-on-red color relationship, or white gold and platinum for stronger visual contrast.
A minimalist bezel-inspired design may emphasize the geometric shape, while natural diamond accents could add additional brilliance around the large red center gemstone. Jewelry makers could also consider an east-west ring orientation or an architectural pendant for a more contemporary jewelry design.
Due to the exceptional size and depth of this gemstone, standard semi-mount jewelry may not be suitable without modification. A bespoke jewelry setting created specifically for the stone is likely to provide the most accurate fit.
An Earth-Sourced Natural Gemstone With Individual Character
This natural rhodolite garnet is a cut and polished gemstone with its own individual color, facet pattern, proportions, and light performance. Natural gemstones can display differences in tone, internal characteristics, reflections, and appearance under different lighting conditions.
For jewelry lovers, jewelry makers, and gem collectors searching for large loose gemstones or distinctive colored gemstones, selecting the exact gemstone allows the finished jewelry design to be built around its individual natural character.
Clients who usually explore Ceylon sapphires, Australian sapphires, Madagascan sapphires, loose sapphires, and other sapphire gemstones may also find large natural garnets interesting as an alternative center gemstone for bold bespoke jewelry and personal gemstone collections.
Buying a Large Natural Loose Gemstone Online
When comparing large loose gemstones online, consider more than carat weight alone. Review the exact gemstone identity, dimensions, cut, transparency, color, laboratory information, and appearance in close-up photos and videos.
Our Natural Sapphire & Colored Gemstone Buying Guide provides practical information for clients comparing natural gemstones, loose gemstones, faceted gemstones, sapphire stones, garnets, and other colored gemstones.
If you are purchasing a natural gemstone for the first time, visit our First-Time Gemstone Buyer Guide before selecting a gemstone for a bespoke ring, pendant, fine jewelry design, or personal gemstone collection.
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, long-standing gem trading networks, direct sourcing connections, and established mining relationships.
We focus on natural earth-sourced gemstones and do not market lab-grown or synthetic gemstones as natural stones. Our wider collection includes Australian sapphires, Ceylon sapphires, Madagascan sapphires, unheated sapphire gemstones, untreated sapphires, garnets, loose gemstones, 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 rhodolite garnet.
Important Natural Gemstone and Color Note
Note: Color may vary slightly across screens, camera settings, lighting conditions, and viewing angles. Red rhodolite garnet may appear deeper, darker, brighter, or more crimson depending on the light source and gemstone orientation.
Dimensions and weight are measured carefully; however, minor measurement variations are normal for natural gemstones. Natural gemstones may display inclusions, growth characteristics, surface features, or other internal characteristics under magnification.
The gemstone identity and technical details in this listing are based on the accompanying AGCL report for the exact stone. The current laboratory report identifies the gemstone as Natural Rhodolite, Garnet Family, but does not state geographic origin or treatment status. Please review the gemstone photos, available videos, report details, measurements, and full product information 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.
💬 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 garnet for jewelry, collection, or a custom design.
Is this gemstone natural?
Yes. This gemstone is listed as an earth-sourced natural garnet. 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 Ceylon. 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: Over 10 , Emerald , VVS clarity.
Can this gemstone be used in jewelry?
This garnet 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 emerald 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.
$2,600.00 AUD
Unit price perLet customers speak for us
I had a very positive experience purchasing from SapphirePal. Pete was responsive, patient and professional throughout the process, and took the time to answer my questions in detail. He also provided additional photos and videos when requested, which was very helpful when buying a gemstone online.
The stone arrived safely, well packaged and as described, with the certification included. Overall, a smooth and reassuring experience, and I would happily recommend SapphirePal!
Absolutely stunning purchase once again from Sapphirepal 🤩 thsnk you !!
Very happy with colour and cut. A really pretty stone that I look forward to seeing as jewellery.
OMG, just spectacular, and excellent quality. Thanks again for your wonderful service and super quick postage time. I can't wait until I find my next precious gem.
Just stunning. I love this bi- Color sapphire. Flawless to look at, and expertly packaged and presented for my collection. Communication and postage time were exceptional. Thank you. I can’t wait until I have saved enough for my next special gem.
This gemstone is just perfect. My only criticism is the photos on your site were not the best quality for me. However, reading the description of this gem, together with photos, I took the plunge and ordered this true gem. I was so very pleasantly surprised when it arrived, as it certainly held up to its reputation. This is the first time I have purchased from sapphire pal. And I don’t think it will be my last either. Communication, fast delivery, and accurate descriptions, all to be commended. Thank you.
Very good quality sapphires and fast shipping! Thank you!
Hello! 🇺🇦I just wanted to thank you — my grey spinel from Australia has finally arrived in Ukraine. The stone is absolutely beautiful and exactly what I hoped for! Thank you for the great service, smooth delivery, and amazing customer support. Your support was invaluable at every stage of the long delivery journey. I’m really happy with my purchase and will definitely be ordering only from you from now on!
I received what i expected. The stones are with the certificates of authenticity. Had a little bit delay with the delivery due to post issues, I will buy the stones which are much bigger. It was a first try to buy on line. Highly recommend gem stones in this shop.
Absolutely wonderful stone. Great and fast customer service. My stone is actually 1.13ct so it was a tiny bit larger than listed, the colours are true to the photos (stunning!), had a jeweller look at it who said it was a "very nice QLD sapphire". Very very happy customer.
Exceptional service helping me find the perfect stones for my ring. The first set arrived and were not quite the right colour and Pete was more than happy to express post another set, which turned out to be perfect. Beautiful sapphires, fantastic customer service
⭐⭐⭐⭐⭐ Stunning Tanzanite – Exceptional Quality & Color!
I recently purchased this natural 1.36ct oval-cut Tanzanite from Sapphire Pal and couldn't be more impressed! The blue-purple hue is absolutely captivating — exactly what you'd expect from a premium earth-mined Tanzanite. The cut is clean and symmetrical, maximizing the stone’s brilliance and color play in natural light.
What really stood out was that this gemstone is 100% natural and untreated, which is increasingly rare for Tanzanites today. It’s perfect for a custom fine jewelry project, especially for a Tanzanite engagement ring or a one-of-a-kind pendant.
The shipping was fast, and the packaging was secure and elegant. I also appreciated the detailed product description and high-resolution photos — they matched the stone perfectly.
If you're looking for a genuine, ethically sourced Tanzanite with beautiful color saturation, this is the one. Highly recommend Sapphire Pal for anyone seeking collector-grade gemstones from Sri Lanka, Madagascar, or Africa.
⭐⭐⭐⭐⭐ Stunning Natural Blue Green Sapphire!
I recently purchased this Natural Blue Green Sapphire (0.43 Carat, Round Cut) and I couldn’t be more impressed! The stone has a truly captivating teal hue — a perfect balance between blue and green sapphire tones that shift subtly in different lighting. It’s even more beautiful in person than the photos!
The cut is precise and sparkles brilliantly despite its petite size, and the dimensions make it ideal for a minimalist ring or unique cluster setting. I appreciate that it’s a genuine earth-mined sapphire with no treatments — you can really see the quality and authenticity.
Shipping was fast, and the gem came securely packaged with a helpful authenticity confirmation. This is my second time ordering from Sapphire Pal, and their consistency and customer service are excellent. If you're looking for a natural unheated blue green sapphire for custom jewelry, I highly recommend this one!
Stone did not disappoint absolutely beautiful. Thanks Pete fantastic service once again as always 😁
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