Buying a loose gemstone gives you independence, you get the freedom to make your own choice, your own jewelry design.
A natural 1.81 carat green sapphire in a round cut, heat treated. Round-cut green sapphire is unusual — most green corundum is cut in oval or cushion to maximize weight retention, so a true round is typically the result of deliberate choice for calibrated designer use. At 1.81 carats, this is larger than the typical calibrated round, making it a viable single center stone rather than a side-stone or accent piece.
Why Choose this 1.81 ct Round Green Sapphire?
Green sapphire offers the durability of corundum (Mohs 9) in the emerald color family — without emerald's fragility, heavy oiling, and clarity compromises. A round cut in green sapphire at this size is genuinely uncommon: the shape sacrifices weight but produces maximum brilliance, and designers working with round settings who want a green stone will find this format directly usable without recutting.
Key Benefits of this Natural Green Sapphire
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Round Cut in an Unusual Color
Round green sapphire at this size is rare — most greens are cut oval or cushion for weight efficiency.
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Maximum Brilliance
Round brilliant cuts return more light than any other shape, making the green vivid and lively.
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Durable Emerald Alternative
Mohs 9 — significantly more robust than emerald for ring use, no oil treatment required.
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Designer-Ready Format
Round cut is the most common engagement ring setting format, usable without custom fabrication.
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Above-Average Size for Round Green
1.81 ct in a round green sapphire is larger than typical calibrated commercial sizes.
Features
- Carat Weight: 1.81 Carats
- Gem Type: Natural Green Sapphire
- Cut: Round
- Treatment: Heat Treated
- Color: Green
- Clarity: Eye-clean — no visible inclusions under normal viewing
- Hardness: 9 on the Mohs scale
This 1.81 ct round green sapphire has been hand-selected for the brightness of its green and the quality of its round cut — the combination that makes this format directly usable in standard solitaire and halo settings.
Why Customers Love This Gemstone
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Unusual Round Format: Round green sapphire at this size is genuinely uncommon.
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Brilliant Cut Performance: Maximum light return — vivid and lively green face-up.
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Practical Durability: Sapphire's Mohs 9 hardness without emerald's fragility concerns.
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Designer Ready: Standard round format usable in most solitaire settings without custom work.
Owning this 1.81 ct round green sapphire means choosing a stone that combines an unusual format with practical utility — a green center stone that fits any round-setting design.
Perfect Uses for this 1.81 ct Round Green Sapphire
- Solitaire engagement ring — green alternative to diamond
- Halo ring center stone
- Custom pendant in round bezel setting
- Collectors of round-cut green corundum
- Three-stone ring center stone
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