Buying a loose gemstone gives you independence, you get the freedom to make your own choice, your own jewelry design.
1.21 carat round-cut yellow sapphire, completely unheated, measuring 6.25 × 6.15 × 4.13 mm. A well-sized round for a solitaire setting, pendant, or Jyotish use where unheated natural material is required. Accompanied by AGCL Report #M256723 (Arctic Gem Certification & Laboratory), confirming weight, dimensions, color, and treatment.
Expert Opinion
Ahmed Shareek's Assessment
"Unheated yellow sapphires of this size and clarity are genuinely difficult to source — most of what circulates in the market has been heat-treated to lighten inclusions or deepen color. This 1.21 carat stone shows its natural pale yellow with no enhancement, and the eye-clean clarity means nothing is hiding beneath the surface. Paired with AGCL documentation, it's an honest, well-priced example of what a natural Ceylon yellow sapphire should look like."
Rarity Analysis
A handful of factors combine to make this particular stone less common than a typical yellow sapphire at this price point.
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Color: A natural pale yellow with no treatment-driven saturation — the tone you see is exactly what formed in the ground.
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Size: At 1.21 carats, this is a practical, wearable size for a ring centerpiece or pendant, not a small accent stone.
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Treatment: Completely unheated. The large majority of yellow sapphires on the market today are heat-treated; untreated material in this color is the minority supply.
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Clarity: Eye-clean. Untreated stones that are also eye-clean are harder to find, since heat treatment is often used in the trade partly to improve apparent clarity.
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Documentation: Independently verified by AGCL Report #M256723, which confirms weight, dimensions, color, and treatment.
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Combined effect: Natural color, no treatment, eye-clean clarity, and third-party documentation rarely align in one stone at this price — that combination is the rarity here.
Buying Guidance
A few practical points if you're considering this stone.
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Setting style: The round cut and 6.25 × 6.15 × 4.13 mm size suit a solitaire ring, halo setting, or pendant well.
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Jyotish / Vedic astrology use: Because this stone is fully unheated, it meets the natural-material requirement often specified for Jyotish sapphires.
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Verify before you buy: Cross-check the AGCL Report #M256723 details against the stone description here before purchasing.
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Custom ring design: If you plan to set this stone, work from the loose gem first so the setting is built around its actual proportions rather than a generic mounting.
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Try Before You Buy: If you'd like to see the stone in hand before committing, ask about Crescent Gems' Try Before You Buy option.
Learn More About This Gemstone
Gemstone Data — At a Glance
| Item # |
CG8266 |
| Carat Weight |
1.21 ct |
| Species / Variety |
Natural Yellow Sapphire (Corundum) |
| Shape / Cut |
Round, Mixed Brilliant (brilliant crown, step-cut pavilion) |
| Dimensions |
6.25 × 6.15 × 4.13 mm |
| Color / Intensity |
Pale Yellow, Not specified |
| Phenomenon |
None |
| Treatment |
Unheated |
| Origin |
Sri Lanka (Ceylon) — store's own assessment; not addressed by the AGCL report |
| Clarity |
Eye-clean |
| Transparency |
Transparent |
| Hardness |
9 (Mohs) |
| Certification |
AGCL Report #M256723 |
Features
- SKU: CG8266
- Carat Weight: 1.21 carats
- Variety: Yellow Sapphire
- Shape: Round
- Cutting Style: Mixed Brilliant (brilliant crown, step-cut pavilion)
- Dimensions: 6.25 × 6.15 × 4.13 mm
- Gem Type: Natural Yellow Sapphire
- Origin: Sri Lanka (Ceylon)
- Treatment: Unheated (no indication of heating)
- Color: Yellow (Pale Yellow)
- Transparency: Transparent
- Clarity: Eye-clean
- Certification: AGCL Report #M256723
- Hardness: 9 on the Mohs scale
Care
- 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
One of a Kind
This is a single natural gemstone, not a manufactured or lab-created replica — no two sapphires form with identical color, inclusions, and internal character. Once this stone sells, it's gone; there is no duplicate. What you see documented on the lab report is the exact, individual stone you receive.
What’s included with this Yellow Sapphire
- AGCL Report #M256723
- Gemstone packed in a gem sleeve
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