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Natural Montebrasite 4.59 Carats Antique Bronze Trilliant 10x7 mm Loose Gemstone

Natural Montebrasite 4.59 Carats Antique Bronze Trilliant  10x7 mm Loose Gemstone - Image 1
Natural Montebrasite 4.59 Carats Antique Bronze Trilliant  10x7 mm Loose Gemstone - Image 2
Natural Montebrasite 4.59 Carats Antique Bronze Trilliant  10x7 mm Loose Gemstone - Image 3
Natural Montebrasite 4.59 Carats Antique Bronze Trilliant  10x7 mm Loose Gemstone - Image 4
Natural Montebrasite 4.59 Carats Antique Bronze Trilliant  10x7 mm Loose Gemstone - Image 5
Natural Montebrasite 4.59 Carats Antique Bronze Trilliant  10x7 mm Loose Gemstone - Image 6
Natural Montebrasite 4.59 Carats Antique Bronze Trilliant  10x7 mm Loose Gemstone - Image 7
New Rare
Natural Montebrasite 4.59 Carats Antique Bronze Trilliant  10x7 mm Loose Gemstone - Image 1
Natural Montebrasite 4.59 Carats Antique Bronze Trilliant  10x7 mm Loose Gemstone - Image 2
Natural Montebrasite 4.59 Carats Antique Bronze Trilliant  10x7 mm Loose Gemstone - Image 3
Natural Montebrasite 4.59 Carats Antique Bronze Trilliant  10x7 mm Loose Gemstone - Image 4
Natural Montebrasite 4.59 Carats Antique Bronze Trilliant  10x7 mm Loose Gemstone - Image 5
Natural Montebrasite 4.59 Carats Antique Bronze Trilliant  10x7 mm Loose Gemstone - Image 6
Natural Montebrasite 4.59 Carats Antique Bronze Trilliant  10x7 mm Loose Gemstone - Image 7

Video & Photos Show The Actual Gemstone You Will Receive.

Gemstone Video & Photography Disclaimer Each gemstone is photographed and recorded on video under professional lighting to present the most accurate representation possible. However, slight variations in color, tone, or saturation may occur due to differences in monitor calibration, mobile displays, lighting conditions, and individual screen settings.
Free Shipping : Thai Airmail
Delivery time : 3 - 4 weeks Est. Delivery date : May 1 - May 11, 2026
Product Views: 2407
Natural Montebrasite 4.59 Carats Antique Bronze Trilliant 10x7 mm Loose Gemstone
$219.00
  • Stock: In Stock
  • SKU: GEM22082485
  • Gem: C44
Product Views: 2407
Name Montebrasite
Weight 4.59 carats
Size 10.32x10.29x7.19 mm
Shape Trilliant
Color Antique Bronze
Pieces 1
Clarity VS - SI
Treatment No treatment at all
Origin Brazil
Lot type Single

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This Montebrasite offers a Antique Bronze tone with natural brilliance, suited for regular wear. A dependable gemstone option for those seeking accessible quality. A gemstone known across worldwide markets for its steady demand. This 4.59 carat Montebrasite cut in Trilliant displays a Antique Bronze tone with origin Brazil and size 10.32x10.29x7.19 mm, refined cutting quality. Maintaining its original state, this gemstone remains completely untreated. A valuable option for collectors seeking distinctive stones. Browse our collection of natural Montebrasite gemstones.

Frequently Asked Questions

Is this montebrasite natural?

Yes, this montebrasite is a 100% natural gemstone that has been carefully sourced and verified for authenticity. At Gempiece, we never sell lab-created or man-made substitutes — all our gemstones are earth-mined natural stones.

Do you provide certification?

Yes, many of our gemstones come with certification. For others, certification can be arranged upon request at the buyer’s cost. You can select your preferred laboratory from the product information section. We offer certification from standard labs in Bangkok to premium labs such as GIA, GRS, AIGS, and Lotus, with costs typically ranging from $20 to $400 depending on the lab.

Does this montebrasite have good brilliance?

Yes, this spinel shows attractive brilliance, which is clearly visible under natural sunlight as well as under proper indoor lighting conditions.

Is this montebrasite suitable for beginners?

Yes, this montebrasite can be a good choice for both beginners and experienced buyers, depending on its intended use.

Does origin affect this montebrasite?

Origin can influence the desirability and value of certain gemstones, especially those known for specific geographic sources.

Gemstone
Refractive Index 1.578 to 1.646
Mohs Hardness 5.5 to 6
Specific Gravity 2.98 to 3.10
Material Amblygonite
Birthstone Month Unknown

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Return & Refund Policy

At Gempiece, we want you to shop with complete confidence. If you are not fully satisfied with your purchase, we offer a simple return policy for your peace of mind.


14-Day Inspection Period

You may examine your gemstone for up to 14 days from the date of receipt. If you are not satisfied for any reason, you may request a return within this inspection period.


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Please contact us before returning any item. Our team will provide the proper return instructions. Returns sent without prior authorization will not be eligible for a refund.

Once return authorization is provided, the item must be shipped back within the inspection period.


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  • Free from scratches, damage, blemishes, or alterations
  • Include original packaging and accompanying documentation

Refunds & Replacements

  • You may request either a full refund or a replacement
  • Refunds are processed after the returned gemstone is received and inspected
  • Shipping and handling charges are non-refundable

Return Shipping

Customers are responsible for return shipping costs. For security, we recommend using a trackable and insured courier service.


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If you need assistance with a return, please contact us at support@gempiece.com. Our team will guide you through the return process.

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