3.40 ct unheated purple star sapphire stone showing six-ray star effect
3.40 ct Oval Purple 6 ray natural Star Sapphire gemstone ~ Unheated
3.40 carat untreated purple star sapphire stone showing six-ray asterism from Sri Lanka
3.40 ct purple star sapphire stone showing six-ray asterism effect, unheated and natural from Sri Lanka
3.40 carat unheated purple star sapphire stone with six-ray star effect from Sri Lanka
3.40 ct Oval Purple 6 ray natural Star Sapphire gemstone ~ Unheated
3.40 ct Oval Purple 6 ray natural Star Sapphire gemstone ~ Unheated

CG8293

3.40 ct Oval Purple 6 ray natural Star Sapphire gemstone ~ Unheated

$2,380.00 USD
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Per Carat: $700.00

Buying a loose gemstone gives you independence, you get the freedom to make your own choice, your own jewelry design.

Stone Style Cabochone
Stone TypeSapphire
Weight (Ct.)3.4
EnhancementNo Enhancement
OriginSri Lanka (Ceylon)
ClarityOpaque
ColorPurple
Color Description Purplish Gray
Color IntensityMedium
Stone ShapeOval
Dimensions (mm)8.64 x 6.76 x 5.69
CutCabochon
Lab ReportGIA

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This exceptional 3.40 carat purple Star Sapphire originates from Sri Lanka's renowned sapphire deposits. The stone exhibits the coveted asterism effect—a luminous six-ray star that dances across its surface when exposed to light. Star Sapphires command premium prices due to their scarcity and the precise crystalline alignment required to produce this optical phenomenon. Completely unheated, this specimen retains its natural integrity, making it increasingly sought after by collectors and connoisseurs who value authenticity. The combination of deep purple coloration with striking star visibility creates a truly distinctive gemstone.

STAR WILL ONLY BE SEEN UNDER DIRECT SUNLIGHT OR FLASHLIGHT.

Why Choose This 3.40 Carat Purple Star Sapphire ?

This 3.40 Carat Purple Star Sapphire is more than just a gemstone—it’s a statement of elegance, rarity, and authenticity. Whether you're designing a custom engagement ring or a meaningful pendant, this gemstone offers unmatched brilliance and natural charm.

Key Benefits

  • Authentic & Untreated
    No artificial enhancements—just pure, natural beauty.
  • Timeless Investment
    Natural sapphires retain value and are highly sought after.
  • Versatile Jewelry Use
    Ideal for rings, necklaces, earrings, or bespoke creations.
  • Elegant 6 ray Star under flash light
    Adds warmth and sophistication to any jewelry design.
  • Symbolic Meaning
    Star sapphire symbolizes divine guidance, protection, and wisdom, 

Features

  • Carat Weight: 3.40 Carats
  • Gem Type: Natural Star Sapphire
  • Treatment: Untreated
  • Color: Purple
  • Clarity: Opaque
  • Cut: Expertly shaped to show strong 6 ray silver star.

This 3.40 Carat Purple Star Sapphire, has been carefully selected to meet high gemological standards, ensuring quality, durability, and beauty.

Why Customers Love This Gemstone

  • Rare Natural Quality: Untreated stones are increasingly difficult to find.
  • Brilliant Sparkle: Precision cutting bring out a strong 6 ray star.
  • Perfect for Custom Jewelry: A centerpiece that elevates any design.
  • Trusted Selection: Each stone is chosen for authenticity and excellence.

Owning this 3.40 Carat Purple Star Sapphire, means investing in a gemstone that blends natural beauty with long-term value.

Perfect For uses for 3.40 Carat Round Gray Star Sapphire,

  • Engagement rings
  • Gentleman's rings
  • Anniversary gifts
  • Custom luxury jewelry
  • Collectors of natural gemstones
  • Astrological or spiritual jewelry

 

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Domestic Shipping

We have FREE shipping within the United States of America.

Orders are processed and shipped on the next business day. Orders placed on weekends or holidays will ship on the following business day.

Estimated delivery time is 2 - 3 days

International Shipping
All international Shipments are through FedEx or UPS, and we charge US $60 per shipment for orders under US $ 499 and Orders Over US $ 500 get FREE SHIPPING. Orders are processed and shipped on the next business day. Orders placed on weekends or holidays will ship on the following business day.

International customers may be subject to customs duties, taxes, or import fees levied by their local authorities upon arrival of the shipment. These charges are not controlled by Crescent Gems and are the responsibility of the recipient. Original shipping fees and customs duties are non-refundable.

Estimated delivery time is 4 - 10 days.

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Frequently Asked Questions

What makes this 3.40 ct Purple Star Sapphire a unique investment piece?
This 3.40 ct Purple Star Sapphire is a natural, unheated gemstone from Sri Lanka, prized for its striking asterism effect and authenticity, making it a rare and valuable collector's gem.
How is the star effect created on this purple sapphire, and when is it visible?
The star effect, or asterism, is caused by the crystal alignment within the sapphire, and it is only visible under direct sunlight or flashlight, showcasing a luminous six-ray star.
Is this purple star sapphire suitable for everyday jewelry, and how should I care for it?
Yes, its durable natural sapphire makes it suitable for everyday jewelry. Clean with mild soap and avoid harsh chemicals to maintain its beauty and the star's clarity.
What are the benefits of choosing an unheated, natural purple star sapphire like this one?
An unheated, natural purple star sapphire retains its original integrity, offering genuine beauty and rarity without artificial enhancements, ideal for discerning collectors and jewelry lovers.
Can this 3.40 ct Purple Star Sapphire be used in custom jewelry designs?
Absolutely, its versatile size and striking star effect make it perfect for custom engagement rings, pendants, or unique jewelry pieces that showcase natural elegance and craftsmanship.