Buying a loose gemstone gives you independence, you get the freedom to make your own choice, your own jewelry design.
1.13 carat cushion-cut golden yellow sapphire, heat-treated, measuring 6.45 × 5.04 × 4.14 mm. The rounded-corner geometry of the cushion cut concentrates the golden saturation across the face, producing a warm, glowing quality well suited to yellow gold settings. Accompanied by AGCL Report #M256722 (Arctic Gem Certification & Laboratory), confirming weight, dimensions, color, and treatment.
Expert Opinion
Ahmed Shareek's Assessment
"Golden yellow is one of the most wearable sapphire colors we handle — warm enough to glow in yellow gold, clean enough to hold that glow without any visible haze. This stone's heat treatment is entirely standard for the trade and disclosed on the AGCL report; it's the same stabilization process used on the vast majority of fine yellow sapphires sold today. At 1.13 carats with Loupe Clean clarity, it's a well-balanced stone for a ring center rather than a collector's curiosity piece."
Rarity Analysis
Not every yellow sapphire earns a closer look, but this stone combines several traits that place it above typical commercial-grade material.
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Color: golden yellow is a rich, saturated variant of yellow sapphire
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Size: at 1.13 ct, this stone is a practical, ring-ready size — large enough to read as a real center stone, without the scarcity premium of larger yellow sapphires
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Treatment: heated — standard, disclosed
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Clarity: Loupe Clean is a strong grade
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Documentation: AGCL Report #M256722 confirms weight, dimensions, color, and treatment; origin (Sri Lanka/Ceylon) is stated separately and is not among the parameters the report itself addresses
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Combined effect: the pairing of a saturated golden hue with clean, eye-clean clarity and full treatment disclosure is what separates a well-chosen commercial-grade yellow sapphire from an average one
Buying Guidance
A few points worth weighing before you buy this particular stone.
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Setting choice: the warm golden tone reads especially well in yellow gold, which reinforces rather than competes with the color
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Treatment disclosure: this stone is heated, a standard and widely accepted practice for yellow sapphire — confirm that any comparison stones you're considering disclose their treatment just as clearly
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Cut orientation: the Rectangular Cushion shape with its mixed brilliant faceting is built to concentrate color, so view it in person or on video under different lighting before committing
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Certification: keep the AGCL Report #M256722 with the stone — it documents the exact weight, dimensions, color, and treatment of this individual gem
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Try Before You Buy: if you're unsure how the color and size will look in hand, take advantage of Crescent Gems' try-before-you-buy option before finalizing a custom setting
Learn More About This Gemstone
Gemstone Data — At a Glance
| Item # |
CG8271 |
| Carat Weight |
1.13 ct |
| Species / Variety |
Natural Yellow Sapphire (Corundum) |
| Shape / Cut |
Rectangular Cushion, Mixed Brilliant (brilliant crown, step-cut pavilion) |
| Dimensions |
6.45 × 5.04 × 4.14 mm |
| Color / Intensity |
Golden Yellow, warm and glowing saturation |
| Phenomenon |
None |
| Treatment |
Heated |
| Origin |
Sri Lanka (Ceylon) — as stated; the AGCL report confirms weight, dimensions, color, and treatment, not origin |
| Clarity |
Loupe Clean (eye-clean) |
| Transparency |
Transparent |
| Hardness |
9 (Mohs) |
| Certification |
AGCL Report #M256722 |
Features
- SKU: CG8271
- Carat Weight: 1.13 carats
- Variety: Yellow Sapphire
- Shape: Rectangular Cushion
- Cutting Style: Mixed Brilliant (brilliant crown, step-cut pavilion)
- Dimensions: 6.45 × 5.04 × 4.14 mm
- Gem Type: Natural Yellow Sapphire
- Origin: Sri Lanka (Ceylon)
- Treatment: Heated
- Color: Golden Yellow
- Transparency: Transparent
- Clarity: Loupe Clean (eye-clean)
- Certification: AGCL Report #M256722
- 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 #M256722
- Gemstone packed in a gem sleeve
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