Natural Blue Cobalt Spinel 1.63ct | Trillion
Natural Blue Cobalt Spinel 1.63ct | Trillion
SKU:RCG-S25001
This exceptional 1.63ct Blue Cobalt Spinel is a rare treasure sourced from Tanzania, renowned for producing some of the world’s finest cobalt-rich spinels. With its deep, vivid blue colour and striking trillion cut, this gemstone showcases extraordinary saturation and brilliance making it an ideal centrepiece for premium jewellery.
Certified by GFCO Gem Lab (Switzerland), this stone is confirmed 100% natural and unheated, preserving its true geological beauty. Cobalt spinels are highly sought after among collectors due to their rarity, durability, and intense blue hues that rival even high-end sapphires.
A gemstone of this calibre is not only stunning but also a strong investment piece in today’s coloured-stone market.
Weight: 1.63 carats
Colour (Daylight): Blue
Shape & Cut: Trillion
Dimensions: 8.18 × 8.41 × 3.40 mm
Treatment: No Heat – No Treatment
Origin: Tanzania
Certification: GFCO Gem Lab (Switzerland)
Why This Gemstone Is Special
- Rare cobalt-bearing spinel with exceptional blue saturation
- Unheated and untreated – completely natural
- Premium trillion cut with brilliant crown and step-cut pavilion
- Certified by a respected Swiss gemmological laboratory
- Ideal for high-end rings, pendants, or investment collections
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Shipping Policy
Shipping Policy
We provide Domestic FREE shipping is via Australia Post.
For our international customers, we post with FedEx at a flat rate of $60 inc GST
All shipments are insured to the invoiced value until delivery and will arrive safely.
Estimated delivery times
Australia - 2 to 3 business days
NZ - 3-5 business days
HK & Singapore - 3 to 5 business days
US & Canada - 5 to 7 business days
UK & EU - 5 to 7 business days
Japan - 5 to 7 business days
Rest of the world - 7 to 14 business days
Import Duties and Taxes
Import Duties and Taxes
For Australian Customers:
- Inclusive Taxes: All prices for Australian customers include GST.
For International Customers:
- Australian GST Exclusion: Prices for international customers do not include Australian GST.
- USA: Thanks to the free trade agreement between Australia and the USA, imports into the USA are generally free of taxes and duties. For high-value gemstones and jewelry, you may need to sign an import declaration. Always check with your local customs for the latest regulations.
- Other Countries: Customs procedures in countries such as the US, UK, Singapore, Canada, Hong Kong, New Zealand, and most EU countries are typically straightforward and should not cause delays. However, local import taxes may apply.
Please Note:
- Tax Collection: We do not collect taxes for countries outside Australia. The shipping carrier will handle any necessary communications with the recipient regarding local taxes.
- Customs Fees: We do not control customs procedures. The buyer is responsible for any applicable customs fees, duties, and taxes.
- Shipping Origin: All shipments are sent from Australia. Please verify with your local customs office regarding any import restrictions.
- Carrier Communication: The shipping carrier will contact you directly via phone or email to arrange any required payments.
Thank you for choosing Royal Ceylon Gemstones. We strive to make your shipping experience as smooth and convenient as possible.
Gemstones Return Policy
Gemstones Return Policy
Refund and Exchange Policy:
Loose sapphires purchased from Royal Ceylon Gemstones can be returned for a refund or exchange (excluding any shipping charges and taxes) under the following conditions:
- The return must be initiated by the purchaser identified on the original invoice.
- The gemstone must be in its original condition and accompanied by all supporting documents (e.g., gem identification report).
- The return must be made within 14 days of delivery and include the original invoice.
Return Instructions:
- Contact Us: You must contact us prior to returning any items to receive return instructions.
- Shipping Method: Items must be returned using an express, insured shipping method such as UPS, DHL, or FedEx. The buyer is responsible for any import taxes imposed by their home country (if applicable) and for the return postage costs, which are non-refundable.
- Currency: All transactions, including returns, are processed in the original invoiced currency. Therefore, the refunded amount may vary in your currency based on exchange rate fluctuations at the time of the refund.
This generous 14-day period allows you to inspect the stone to ensure it meets your personal taste.
