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Natural Tourmaline 19.28 Carats Blue Cushion 16x14 mm Loose Gemstone

Natural Tourmaline 19.28 Carats Blue Cushion 16x14 mm Loose Gemstone - Image 1
Natural Tourmaline 19.28 Carats Blue Cushion 16x14 mm Loose Gemstone - Image 2
Natural Tourmaline 19.28 Carats Blue Cushion 16x14 mm Loose Gemstone - Image 3
Natural Tourmaline 19.28 Carats Blue Cushion 16x14 mm Loose Gemstone - Image 4
Natural Tourmaline 19.28 Carats Blue Cushion 16x14 mm Loose Gemstone - Image 5
Natural Tourmaline 19.28 Carats Blue Cushion 16x14 mm Loose Gemstone - Image 6
New Collectors Featured SOLD - Out Of Stock
Natural Tourmaline 19.28 Carats Blue Cushion 16x14 mm Loose Gemstone - Image 1
Natural Tourmaline 19.28 Carats Blue Cushion 16x14 mm Loose Gemstone - Image 2
Natural Tourmaline 19.28 Carats Blue Cushion 16x14 mm Loose Gemstone - Image 3
Natural Tourmaline 19.28 Carats Blue Cushion 16x14 mm Loose Gemstone - Image 4
Natural Tourmaline 19.28 Carats Blue Cushion 16x14 mm Loose Gemstone - Image 5
Natural Tourmaline 19.28 Carats Blue Cushion 16x14 mm Loose Gemstone - Image 6

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 : Fedex
Delivery time : 2 - 5 business days Est. Delivery date : Apr 13 - Apr 15, 2026
Product Views: 2792
Natural Tourmaline 19.28 Carats Blue Cushion 16x14 mm Loose Gemstone
$8,799.00
  • Stock: SOLD - Out Of Stock
  • SKU: GEM22052156
  • Gem: kas
Product Views: 2792
Name Tourmaline
Weight 19.28 carats
Size 16.19x14.06x9.36 mm
Shape Cushion
Color Blue
Pieces 1
Clarity FL - Flawless
Treatment No treatment at all
Origin Brazil
Lot type Single

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With a striking Blue color, this fine Blue Tourmaline presents visual harmony and depth. Clarity and natural characteristics support its recognition as a refined gemstone. Valued across multiple regions for its balanced color and clarity. This 19.28 carat Blue Tourmaline cut in Cushion displays a Blue tone with origin Brazil and size 16.19x14.06x9.36 mm, natural consistency throughout. In its natural state, the gemstone preserves its inherent characteristics. This versatile gemstone is an attractive choice for a variety of jewelry designs. Browse our collection of natural Blue Tourmaline gemstones.

Frequently Asked Questions

Is this tourmaline natural?

Yes, this tourmaline 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.

Is this tourmaline rare?

The rarity of this tourmaline depends on factors such as color, origin, clarity, and availability. Certain combinations can make a gemstone highly desirable. At Gempiece, we offer a wide range of rare gemstones, and you can explore them through our dedicated rare gemstone collection.

Does it look better in daylight?

Yes, natural daylight reveals the most accurate color, brilliance, and overall appearance of the gemstone.

Is this tourmaline suitable for custom designs?

Yes, this tourmaline is well-suited for custom jewelry designs, allowing flexibility in creating unique pieces.

Gemstone
Refractive Index 1.614 to 1.666
Mohs Hardness 7 to 7.5
Specific Gravity 2.85 to 3.35
Material Tourmaline
Birthstone Month October

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Shipping Methods

We offer the following reliable and trackable shipping options:


FedEx Express

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  • Estimated delivery time: 3 – 5 business days
  • Shipping cost: US $75.00 (U.S. only)
  • For other countries, please contact us for shipping rates

DHL Express

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  • Estimated delivery time: 3 – 5 business days
  • Shipping cost: US $70.00 (U.S. only)
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EMS (Thai Express Mail Service)

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  • Estimated delivery time: 3 – 5 business days
  • Shipping cost: US $65.00 (U.S. only)
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  • Estimated delivery time: 2 – 5 weeks
  • Shipping cost: US $10.00 worldwide

Customs & Import Duties

International shipments may be subject to customs duties, taxes, or import fees depending on the regulations of the destination country. These charges are determined by the local customs authorities and are the responsibility of the buyer.

We recommend checking with your local customs office for more information about potential charges before placing your order.

Once your order has been shipped, tracking information will be provided so you can monitor the delivery status of your shipment.

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.


Return Authorization

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.


Return Conditions

  • Items must be returned in their original condition
  • 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.


Our Guarantee

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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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