Buying a loose gemstone gives you independence, you get the freedom to make your own choice, your own jewelry design.
A natural 1.66 carat yellow sapphire in a radiant cut, completely unheated. The radiant cut combines the rectangular outline of a step cut with brilliant faceting — producing more light return than an emerald cut while maintaining the modern, architectural silhouette. In an unheated yellow sapphire at 1.66 carats, this format delivers the golden color with maximum sparkle across the face, creating a vivid and lively presentation.
Why Choose this 1.66 ct Unheated Radiant Yellow Sapphire?
Radiant-cut yellow sapphire is less common than oval or cushion — most yellow material is cut to maximize weight, and the radiant's cropped-corner format sacrifices some weight efficiency for a distinctive silhouette. At 1.66 carats unheated, this stone combines an unusual cut format with natural color status — the combination for buyers who want distinction across both dimensions.
Key Benefits of this Natural Yellow Sapphire
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Unheated Natural Color
No thermal treatment — the golden yellow is entirely natural, exactly as formed.
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Radiant Cut Brilliance and Structure
Rectangular silhouette with brilliant faceting — more sparkle than step cuts, more structure than rounds.
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Strong 1.5+ Carat Size
Above 1.5 carats unheated — a size where unheated yellows become meaningfully rarer.
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Jyotish-Compliant
Unheated natural yellow sapphire (Pukhraj) for Vedic astrological use above 1 carat minimum.
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Durable for Daily Wear
Corundum at Mohs 9, second only to diamond.
Features
- Carat Weight: 1.66 Carats
- Gem Type: Natural Yellow Sapphire
- Cut: Radiant
- Treatment: Unheated
- Color: Yellow
- Clarity: Eye-clean — no visible inclusions under normal viewing
- Hardness: 9 on the Mohs scale
This 1.66 ct unheated radiant yellow sapphire has been hand-selected for the brightness of its yellow and the quality of its radiant faceting — the combination that makes this an unusual and compelling yellow sapphire.
Why Customers Love This Gemstone
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Unheated Natural Yellow: No thermal history — the color is exactly what the earth produced.
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Radiant Cut Distinction: Unusual format for yellow sapphire — architectural with brilliant sparkle.
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Jyotish-Ready: Unheated natural Pukhraj above 1 carat for Vedic astrological use.
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Trusted Source: Treatment disclosed honestly, stone selected for color quality.
Owning this 1.66 ct unheated radiant yellow sapphire means choosing a stone that is both natural in color and distinctive in format.
Perfect Uses for this 1.66 ct Yellow Sapphire
- Engagement ring center stone in yellow gold
- Jyotish / Vedic astrological use (natural Pukhraj)
- Custom pendant or cocktail ring
- Collectors of unheated yellow sapphires in unusual cuts
- Anniversary gift
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