Buying a loose gemstone gives you independence, you get the freedom to make your own choice, your own jewelry design.
A natural 1.10 carat blue sapphire in a round cut, heat treated. At 1.10 carats, this round sapphire crosses the 1-carat threshold that makes it practical as a center stone in engagement rings and pendant solitaires — a weight with sufficient face-up surface to display blue sapphire's color at wearing distance. The round brilliant cut returns the highest light of any shape, making the blue vivid and active under any lighting condition.
Expert Opinion
"Round blue sapphire just above the one-carat mark is one of the most dependable specifications we carry. It's the shape and weight combination that fits off-the-shelf settings without custom work, and at 1.10 carats it still reads as a genuine center stone rather than an accent. This stone earns its place in the case for being useful and versatile — not for being unusual." — Ahmed Shareek, Crescent Gems
Rarity Analysis
This 1.10 ct round blue sapphire is best understood as a practical, accessible stone rather than a rare one. Its case rests on a small set of honest factors:
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Round cut, setting-ready: Round is the most setting-compatible shape made — it fits standard solitaire, halo, and three-stone mountings without custom fabrication, and returns more light than any other shape cut to the same proportions.
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Practical center-stone weight: At 1.10 carats, this stone sits just above the 1-carat threshold most buyers associate with a genuine center stone, without carrying the pricing premium of larger sizes.
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Heat treatment, standard and disclosed: This stone is heat treated, the accepted industry-standard enhancement used across the large majority of the blue sapphire market. It is disclosed here plainly and should not be read as a rarity factor in either direction.
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Eye-clean clarity: No visible inclusions under normal viewing — a real quality marker on its own, independent of any rarity claim.
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No origin or certification specified: This listing does not include an origin or a certifying lab/report number. We are not implying either exists — buyers who need that documentation should ask before purchase.
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Combined value: what this stone offers is practicality — a well-cut, eye-clean, honestly disclosed round sapphire at a workable center-stone weight — not scarcity or documentation-driven premium.
Buying Guidance
- Heat treatment is the standard, fully disclosed enhancement for blue sapphire of this kind — it does not diminish authenticity and is the accepted commercial norm across the market.
- This listing does not specify an origin or a certification/report number. If lab documentation or origin verification matters to your purchase, ask us directly before you buy — we won't guess or imply what isn't there.
- Round is the most setting-flexible cut available, a practical advantage if you already have a mounting in mind or want the widest choice of settings to choose from.
- At 1.10 carats, this stone is sized to function as an actual center stone rather than an accent — confirm your intended setting's prong spread suits a round stone at this size.
- Try Before You Buy: request additional photos or a live video call to see the stone's color and clarity firsthand before committing.
Learn More About This Gemstone
Gemstone Data — At a Glance
| Item # |
CG8316 |
| Carat Weight |
1.10 ct |
| Species / Variety |
Natural Blue Sapphire (Corundum) |
| Shape / Cut |
Round |
| Dimensions |
Not specified |
| Color / Intensity |
Blue |
| Phenomenon |
None |
| Treatment |
Heat Treated |
| Origin |
Not specified |
| Clarity |
Eye-clean |
| Transparency |
Not specified |
| Hardness |
9 (Mohs) |
| Certification |
Not specified |
Why Choose this 1.10 ct Round Blue Sapphire?
Round blue sapphire just above 1 carat is the most practical center stone specification for buyers who want a blue sapphire in the most versatile, setting-compatible format at an accessible weight. The round brilliant cut means this stone fits any standard solitaire, halo, or three-stone setting without custom fabrication — a practical choice for custom commissions with standard setting preferences.
Key Benefits of this Natural Blue Sapphire
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Above-1-Carat Center Stone
Just over 1 carat in round — the threshold for center stone use in standard settings.
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Round Brilliant Maximum Brilliance
The cut that returns the most light of any shape — vivid and active blue face-up.
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Standard Setting Compatibility
Round fits every solitaire, halo, and three-stone setting without custom fabrication.
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Heat Treated to Standard
Standard industry heat treatment — fully disclosed, accepted commercial norm.
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Durable for Daily Wear
Corundum at Mohs 9, second only to diamond.
Features
- Carat Weight: 1.10 Carats
- Gem Type: Natural Blue Sapphire
- Cut: Round
- Treatment: Heat Treated
- Color: Blue
- Clarity: Eye-clean — no visible inclusions under normal viewing
- Hardness: 9 on the Mohs scale
This 1.10 ct round blue sapphire has been hand-selected for the vividness of its blue and the quality of its round cut — the combination that makes this format reliably deliver what buyers want from a blue sapphire.
Why Customers Love This Gemstone
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Practical Center Stone Weight: Just above 1 carat — meets the threshold for most center stone applications.
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Round Format: The most compatible setting format available.
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Vivid Blue: Round brilliant cut maximizes the color performance of blue sapphire.
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Trusted Source: Treatment disclosed honestly, selected for color quality.
Owning this 1.10 ct round blue sapphire means choosing the most versatile configuration for a blue sapphire center stone — the right weight, the right shape, in the right color.
Perfect Uses for this 1.10 ct Blue Sapphire
- Engagement ring center stone
- Pendant solitaire
- Halo ring center stone
- Three-stone ring center stone
- September birthstone gift
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