Video & Photos Show The Actual Gemstone You Will Receive.
- Stock : In Stock
- SKU : GEM25013540
- Gem : C63
| Name | Spinel |
| Weight | 4.20 carats |
| Size | 10.74 x 8.29 x 6.21 mm |
| Shape | Oval |
| Color | Intense Cobalt Blue |
Available Options
✓ 100% Natural Gemstones
✓ Carefully Selected Quality
✓ Trusted Online Seller Since 2008
✓ Friendly English-Speaking Customer Support
✓ Secure Payment Methods
Credit Card (Stripe) • PayPal • Wise
Bank Transfer • Crypto • Western Union
The appeal of this Spinel begins with its Intense Cobalt Blue color, a hue that immediately commands attention through its depth and visual presence. Its steady saturation and balanced appearance allow the color to remain consistent across a wide range of lighting conditions, giving the stone a composed and confident character.
Cut in an oval shape, this 4.20-carat Spinel displays an Intense Cobalt Blue hue with VVS clarity. The cutting has been carefully executed to preserve both color intensity and visual balance, allowing the gemstone to perform at its full potential.
Completely untreated, the gemstone remains exactly as nature produced it, preserving its original character and integrity throughout. It never asks to be the center. It ends up there anyway.
Spinel is known for its brilliance, durability, and vibrant range of colors. Learn more about Spinel.
Discover more natural Spinel gemstones in our collection.
Frequently Asked Questions
Is this spinel natural?
Yes, this spinel 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 spinel fragile?
Like all gemstones, this spinel should be handled with care to maintain its condition.
Does this spinel have good brilliance?
Yes, this spinel shows attractive brilliance, which can be clearly observed under natural sunlight as well as proper indoor lighting conditions.
Can I gift this spinel?
Yes, this spinel makes a refined and meaningful gift suitable for special occasions.
| Gemstone | |
| Refractive Index | 1.710 to 1.735 |
| Mohs Hardness | 8 |
| Specific Gravity | 3.54 to 3.70 |
| Material | Spinel |
| Birthstone Month | August |
Shipping Policy
Orders are normally processed and shipped within 24 hours after payment confirmation, excluding weekends and public holidays.
Shipping Methods
We offer the following reliable and trackable shipping options:
FedEx Express
- Fast and secure international courier service
- Online tracking available
- 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
- Fast and secure international delivery
- Online tracking available
- Estimated delivery time: 3 – 5 business days
- Shipping cost: US $70.00 (U.S. only)
- For other countries, please contact us for shipping rates
EMS (Thai Express Mail Service)
- Reliable international postal express service
- Online tracking available
- Estimated delivery time: 3 – 5 business days
- Shipping cost: US $65.00 (U.S. only)
- For other countries, please contact us for shipping rates
Thai Air Mail
- Economical international shipping option
- Online tracking available
- 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
- 100% Money-Back Guarantee
- 14-Day Inspection Period
- No Restocking Fees
If you need assistance with a return, please contact us at support@gempiece.com. Our team will guide you through the return process.


