Blue Star Sapphire 6.53 Ct Cabochon – from Sri Lanka Certified

Blue Star Sapphire 6.53 Ct Cabochon – from Sri Lanka Certified

$650.00
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Blue Star Sapphire 6.53 Ct Cabochon – from Sri Lanka Certified
★★★★★4.9Based on 2,100+ verified reviewsSale · up to 20% off

Blue Star Sapphire 6.53 Ct Cabochon – from Sri Lanka Certified

$650.00
Only 1 available. Natural stones are unique. Once it sells, it's gone.
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$300+10% offauto-applied
$600+15% off+ free express
$1,200+20% off+ express & gift box
This stone unlocks 15% off and free express shipping.

Free worldwide shippingTracked on every order

7-day returnsNo questions asked

Natural & disclosedLab report on request

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Mineral Corundum – Sapphire Description A captivating blue-grey star sapphire displaying the fascinating star effect known as asterism. Cut in a smooth cabochon style, this gemstone reveals a delicate star pattern that appears when light reflects across the surface, creating a unique optical phenomenon highly prized by collectors. The soft blend of blue and grey tones gives the stone a refined and mysterious appearance, while the polished cabochon cut enhances the visibility of the star effect. Star sapphires are valued for this natural optical phenomenon, making each stone distinct in both pattern and character. Originating from Sri Lanka, one of the most historic and respected sources for sapphires, this gemstone represents the beauty and rarity associated with Ceylon star sapphires. The stone is accompanied by a gemological certificate confirming its identity and gemstone details, making it a great choice for collectors or unique jewelry designs such as rings or pendants. Weight and Dimensions Weight • 6.53 carats • 1.31 grams • 0.046 ounces Dimensions • 10.97 × 9.83 × 6.09 mm • 1.10 × 0.98 × 0.61 cm • 0.43 × 0.39 × 0.24 inches Locality Sri Lanka (Ceylon) natural star sapphire grayish blue sapphire oval shape loose gemstone faceted sapphire ring stone jewelry stone sapphire cabochon loose gemstone natural gemstone star sapphire jewelry sapphire September birthstone
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Gem guide

About sapphire

Corundum, the second-hardest natural gem after diamond. Ideal for engagement rings and everyday wear.

Hardness (Mohs)9
BirthstoneSeptember
CareWarm soapy water and a soft brush
ShippingFree worldwide · express available
From our bench to your door

How your stone arrives

01
Final inspection

Re-checked under the loupe and photographed before packing.

02
Secure packing

Gem box with care card, in discreet unbranded outer packaging.

03
Tracked dispatch

Ships in 1–3 business days. Tracking number sent by email.

04
7 days to decide

Not in love with it? Return within 7 days, no questions asked.

Why collectors buy from Farangems

Direct

Bought from cutters and miners, so you pay a dealer's price.

Disclosed

Origin and treatment stated plainly on every listing.

17,000+

One of the largest natural coloured-stone inventories online.

Personal

Real gemologists on WhatsApp, with video on request.

Before you buy

Are your gemstones natural?

Yes. Every stone we sell is natural. Treatments such as heating are always disclosed, and we do not stock synthetics, glass-filled or coated stones.

Can I get a lab certificate?

Many stones already have reports from labs such as GRS, AIGS or GIT. For any other stone, message us and we can submit it to an independent lab before shipping.

How do the Collector Tiers work?

Spend $300 for 10% off, $600 for 15% off plus free express shipping, or $1,200 for 20% off with free express shipping and a gift box. Applied automatically at checkout.

How long does shipping take?

We offer free standard shipping via postal services (estimated delivery: 25-30 days). Express shipping is available as a paid option.

What is your return policy?

Returns are accepted within 7 days of receiving the item, with no questions asked. Customers are responsible for the cost of return shipping.

Can I see a video before buying?

Yes. Message us on WhatsApp at +66 83 103 7630 and we will send video in daylight and under different lighting.

The Farangems authenticity promise

Every stone is natural. Every treatment is disclosed.

Read the promise
Sourced in person

Bought directly from cutters and miners at the Jewelry Trade Center and international gem fairs.

Tested at the bench

Loupe, refractometer, polariscope and UV checks on every stone before listing.

Documented honestly

Carat, dimensions, origin and treatment stated on every listing.

Independent reports

Lab reports from GIA, GRS, AIGS, GIT or Lotus available on request.

Laboratories we work withGIAGRSAIGSGITLOTUS
Client reviews

What our clients say

4.9
Based on 2,100+ verified reviews
5 ★
4 ★
3 ★
2 ★
1 ★
Verified buyer
“Great stone, service and honest seller”
Marion · Sep 18, 2026
Purchased: Chrome Sphene 11ct Cushion Cut – Madagascar
Verified buyer
Photo from John
“Excellent, timely communication. Fine description of the competitive quality and value nature of this select selection.”
John · Sep 15, 2026
Purchased: Superb Beauty, 3.33 Cts Vibrant Red Burma No Heat Spinel
Verified buyer
Photo from Swapna
“Amazing piece and matched the expectation”
Swapna · Aug 22, 2026
Purchased: 11.38 Carat Fanta Spessartite Garnet Cabochon
Verified buyer
“Very nice stone and friendly seller. Will come back, definitely! Thank you”
Schuelke · Jun 2, 2026
Purchased: Santa Maria Aquamarine Sugarloaf Cabochon, 20.65 Carat
Verified buyer
“Good contact with the owner, the stone was sent very professionally.”
Karol · Mar 31, 2026
Purchased: Natural Padparadscha Sapphire 1.52 ct Oval Cut – Certified
Verified buyer
“Lovely packaging and quick delivery”
Etsy buyer · Feb 13, 2026
Purchased: Deep Purple Amethyst Sugarloaf Cabochon Set – 17.90 Carat

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