Natural Deep Blue Spinel 1.80 Ct — Prosperity Crown
From
$95.00
This exquisite Natural Deep Blue Spinel weighs 1.80 carats and displays a serene yet commanding blue hue, blending oceanic depth with a cool, calming presence. Sourced from the renowned gem mines of Sri Lanka, this spinel reflects the island's world-famous reputation for producing fine-quality gemstones with exceptional brilliance and clarity.
Expertly fashioned in an elegant cushion cut, measuring 6.90 × 6.50 × 4.50 mm, the stone is proportioned to enhance light return and maximize sparkle. With a clarity grade of IF (Loupe Clean), this spinel shows outstanding transparency with no internal inclusions visible under 10× magnification — a rare and highly desirable quality in natural untreated spinels.
Importantly, this gemstone is completely untreated, meaning its beautiful deep blue color is entirely natural. Untreated Ceylon spinels are increasingly rare and command premium demand in the international market. This stone is a sophisticated alternative to blue sapphire, offering rarity and superior brilliance at exceptional value.
This gemstone is ideal for fine jewelry, bespoke collector pieces, or investment. Its rarity, clarity, and natural origin make it a refined investment-grade spinel.
📅 Birthstone & Symbolism
Spinel is the modern August birthstone. Blue spinels symbolize tranquility, wisdom, protection, and steadfast loyalty.
🔮 Metaphysical Properties
Blue Spinel is believed to promote calmness, mental clarity, and inner discipline. It is often associated with protection, focus, and emotional stability while encouraging perseverance and clear communication.
📌 Specifications
🧬 Gem Family: Spinel
⚖️ Weight: 1.80 carats
🎨 Color: Deep Blue
🔍 Clarity: IF (Loupe Clean)
🔷 Shape: Cushion
✂️ Cut: Cushion Cut
🧪 Treatment: Untreated
🌍 Origin: Sri Lanka
📄 Certification: On Request
📏 Dimensions: 6.90 × 6.50 × 4.50 mm
🎁 Perfect For:
- Elegant engagement or statement rings
- Classic white gold or platinum settings
- August birthstone jewelry
- Collectors seeking untreated fine spinels
- Sapphire-alternative fine jewelry designs
Quantity
Additional Information
Gem Family: Spinel
Gem Weight: 1.80 CTs
Gem Color: Deep Blue
Gem Clarity: Loupe Clean
Clarity Grade: IF
Gem Shape: Cushion
Gem Cut: Cushion Cut
Is Natural: YES
Treatment: Untreated
Origin: Sri Lanka
Is Certified: On Request
Dimension (mm): 6.90 x 6.50 x 4.50
Certification & Authenticity
Certification available on request from Nilimini Gem Lab, Kandy — a GIA-Affiliated laboratory — or Zenith Gem Lab, Beruwala (GIA Alumni). Every stone ships with lifetime authenticity verification from Dhaneera Gems Ceylon (NGJA Licence 20264DL38110).
Shipping & Returns
Fully insured worldwide shipping via FedEx (3–7 business days) or EMS (7–21 business days). Discreet packaging. 30-Day Money-Back Guarantee from payment date — see our Return & Refund Policy. Buyer is responsible for destination import duties and taxes.

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