Buying a loose gemstone gives you independence, you get the freedom to make your own choice, your own jewelry design.
A natural 2.05 ct Radiant Cut Blue Sapphire from Sri Lanka (Ceylon), heat treated, accompanied by GIA Report #5242032116. Measuring 8.06 x 5.48 x 4.58mm, the radiant cut combines the color depth of a step-cut profile with the brilliance of a brilliant-cut outline, giving this stone a bold, lively presence that performs across lighting conditions. The GIA report confirms the Ceylon origin, weight, dimensions, and treatment status.
Expert Opinion
Ahmed Shareek's Assessment
"This is a textbook Ceylon blue — even, medium-dark saturation, the kind collectors specifically ask for by name. Crossing two carats in a clean radiant cut, with GIA paperwork backing the origin call, makes this one of the more complete packages we've had through the shop this year."
Rarity Analysis
A 2.05 ct Ceylon blue sapphire with GIA-confirmed origin sits well above the bulk of the blue sapphire market. Here's what actually separates this stone from a typical listing:
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Above the 2-carat threshold: Most natural Ceylon blue sapphire on the market trades under 1 carat. Supply thins out sharply once a stone crosses 2 carats, and clean, well-cut material above that line is materially harder to source.
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Ceylon origin premium: Sri Lanka remains the historic benchmark source for fine blue sapphire, and GIA-confirmed Ceylon origin carries a real premium over unattributed or other-origin material of comparable size and color.
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Radiant cut at this size: Radiant cutting sacrifices rough yield to maximize face-up brilliance, so a well-proportioned radiant above 2 carats reflects a deliberate cutting decision on above-average rough, not the default cut for this size class.
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GIA documentation: Independent, third-party confirmation of origin, weight, dimensions, and treatment status removes the guesswork that surrounds a large share of blue sapphire sold without lab paperwork.
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Loupe clean clarity at size: Eye-clean, loupe-clean clarity becomes progressively less common as carat weight increases, since large clean areas of rough are scarcer than small ones.
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Fully disclosed treatment: Standard, industry-accepted heat treatment, documented on the GIA report rather than left to seller disclosure alone — one more transparent, verifiable fact about the stone.
Buying Guidance
A few practical points worth weighing before you buy this stone:
- Compare price per carat, not just total price, against other GIA-certified Ceylon blue sapphires above 2 carats — size moves price non-linearly in this category.
- Heat treatment is the accepted industry standard for blue sapphire and does not reduce durability or long-term value when disclosed, as it is here via GIA Report #5242032116 — don't discount a well-documented heated stone against an unheated stone of lesser color or clarity.
- Radiant cut face-up size can read larger than the millimeter dimensions suggest — confirm the 8.06 x 5.48 x 4.58mm dimensions against your setting design before committing to a mounting.
- If buying for a ring rather than a pendant, request additional photos or video in both natural daylight and warm indoor light, since blue sapphire color can shift subtly between light sources.
- Keep the GIA report with the stone permanently — it is the primary record of origin and treatment, and its value compounds over time for insurance, resale, or estate purposes.
Learn More About This Gemstone
Gemstone Data — At a Glance
| Item # |
CG8458 |
| Carat Weight |
2.05 Carats |
| Species/Variety |
Corundum / Blue Sapphire |
| Shape/Cut |
Radiant / Modified Brilliant |
| Dimensions |
8.06 x 5.48 x 4.58 mm |
| Color/Intensity |
Blue / Intense |
| Phenomenon |
None |
| Treatment |
Heat Treated |
| Origin |
Sri Lanka (Ceylon) |
| Clarity |
Loupe Clean |
| Transparency |
Transparent |
| Hardness |
9 Mohs |
| Certification |
GIA Report #5242032116 |
Why Choose this 2.05 ct Radiant-Cut Ceylon Blue Sapphire?
Radiant-cut Ceylon blue sapphire above 2 carats is chosen by buyers who want the vivid color saturation of a radiant format with the brilliant-cut liveliness that performs across all lighting conditions. At 2.05 carats, this stone delivers a bold, lively presence in any ring or pendant setting.
Key Benefits of this Natural Blue Sapphire
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GIA-Confirmed Ceylon Origin
GIA Report #5242032116 confirms Sri Lanka origin, weight, dimensions, and treatment status.
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Radiant Cut — Best of Both Worlds
Combines step-cut color depth with brilliant-cut liveliness — vivid and lively in all lighting.
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Vivid Ceylon Blue
The characteristic vivid, bright blue associated with Sri Lankan fine sapphire production.
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Heat Treated to Standard
Standard industry heat treatment — the accepted commercial norm for sapphire, fully disclosed.
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Durable for Daily Wear
Corundum at Mohs 9, second only to diamond.
Features
- Item #: CG8458
- Carat Weight: 2.05 Carats
- Species/Variety: Corundum / Blue Sapphire
- Shape/Cut: Radiant / Modified Brilliant
- Dimensions: 8.06 x 5.48 x 4.58mm
- Color/Intensity: Blue / Intense
- Phenomenon: None
- Treatment: Heat Treated
- Origin: Sri Lanka (Ceylon)
- Clarity: Loupe Clean
- Transparency: Transparent
- Hardness: 9 on the Mohs scale
- Certification: GIA Report #5242032116
Care of Your Ceylon Blue Sapphire
- Clean with lukewarm water and mild soap using a soft brush
- Store separately to avoid surface contact
- Remove before heavy physical activity
- Avoid ultrasonic or steam cleaners
What's Included
- GIA Report #5242032116
- Gemstone packed in a gem sleeve
Perfect Uses for this 2.05 ct Ceylon Blue Sapphire
- Sapphire engagement ring center stone
- Statement pendant in a halo or bezel setting
- Collectors of GIA-documented Ceylon blue sapphires
- Significant anniversary or milestone commission
- September birthstone gift
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