Buying a loose gemstone gives you independence, you get the freedom to make your own choice, your own jewelry design.
A natural 0.93 carat total weight matched pair of white sapphires in square cushion cut, completely unheated, documented on AGCL Report #M262623. This pair has been matched for colorlessness, dimensional symmetry, and cut quality — both stones show the same colorless character under the same lighting conditions, and both are calibrated for left-right symmetry in earring and accent applications. White (colorless) sapphire at Mohs 9 is the most durable colorless gemstone alternative to diamond.
Expert Opinion
Ahmed Shareek's Assessment
"This 0.93 ctw pair is genuinely matched — both stones share the same colorless body and the same 4.40mm-class cushion outline, which is a harder standard to meet than simply pairing two eye-clean whites. At Mohs 9 and completely unheated per AGCL Report #M262623, it's a diamond-alternative pair I'd put directly into an earring mounting without further sorting."
Rarity Analysis
Matched pairs of unheated white (colorless) sapphire occupy a narrow slice of overall corundum production, where the vast majority of output is blue, yellow, or pink-purple toned.
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Color: Colorless (white) sapphire is itself an uncommon color call within corundum — most rough is naturally tinted and requires either treatment or careful selection to read as colorless.
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Size: Individual stones averaging about 0.465 ct each (0.93 ctw combined) are a standard, practical earring-pair size; well-matched pairs above this combined weight become progressively scarcer.
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Treatment: Unheated white sapphire is less common than heated material, since heat is the industry-standard step used to lighten off-color corundum toward colorless.
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Matching: Finding two stones with the same colorless intensity and the same cushion dimensions (4.40 x 4.40 x 2.88 mm avg) is a stricter standard than sourcing a single comparable stone.
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Documentation: AGCL Report #M262623 confirms natural corundum, total weight, shape, and no indication of heating for the pair.
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Combined effect: An unheated, dimensionally matched colorless pair in cushion cut sits at a narrow intersection of criteria — not any one factor alone.
Buying Guidance
A few practical points to weigh before purchasing this specific stone:
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View under mixed lighting to confirm both stones read equally colorless — trace tints in white sapphire can be more visible under some light sources than others.
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Check your setting's prong spacing against the 4.40 x 4.40 mm average footprint per stone before committing to a mounting.
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Verify matching claims when comparison shopping: many pairs marketed as "matched" are color-matched only, not dimensionally matched like this pair.
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Consider availability: unheated, dimensionally matched colorless pairs in this size and cut don't restock on a predictable schedule.
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Use the Try Before You Buy option if you would like to see the stone in hand before finalizing the purchase.
Learn More About This Gemstone
Gemstone Data — At a Glance
| Item # |
CG8378 |
| Carat Weight |
0.93 ctw (pair; approx. 0.465 ct avg per stone) |
| Species / Variety |
Corundum / White Sapphire — Matched Pair |
| Shape / Cut |
Square Cushion, Mixed Brilliant (each stone) |
| Dimensions |
4.40 x 4.40 x 2.88 mm avg per stone |
| Color / Intensity |
White (Colorless) |
| Phenomenon |
None |
| Treatment |
Unheated — No Indication of Heating (AGCL Report #M262623) |
| 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 #M262623 |
Why Choose this 0.93 ctw Unheated White Sapphire Pair?
Finding a well-matched pair of unheated white sapphires in a cushion format requires care at the selection stage — both colorlessness and dimensional match need to be present simultaneously. This pair is ready for direct mounting in earring settings where left-right visual symmetry is required, with no additional matching needed. Cushion-cut white sapphires in earring settings have a romantic, vintage character distinct from round or oval alternatives.
Key Benefits of this Matched White Sapphire Pair
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Unheated, Both Stones
Both stones natural and untreated — colorlessness is entirely natural in both.
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Color and Dimension Matched
Matched for colorlessness and dimensional symmetry for left-right earring applications.
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Cushion Format Character
Cushion-cut white sapphires have a vintage, romantic quality distinct from round alternatives.
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Most Durable Colorless Alternative
Mohs 9 — only diamond exceeds white sapphire in hardness for daily wear.
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Designer Ready
Matched pair ready for immediate mounting without additional selection work.
Features
- Total Carat Weight: 0.93 ctw (matched pair)
- Gem Type: Natural White Sapphire
- Shape: Square Cushion (individual stones)
- Cut Style: Mixed Brilliant
- Treatment: Unheated — No Indication of Heating per AGCL Report #M262623
- Color: White (Colorless)
- Clarity: Eye-clean — no visible inclusions under normal viewing
- Transparency: Transparent
- Origin: Sri Lanka (Ceylon) (store's own assessment; not addressed by the AGCL report)
- Certification: AGCL Report #M262623
- Hardness: 9 on the Mohs scale
This 0.93 ctw unheated cushion white sapphire pair has been hand-matched for the colorlessness and dimensional precision that define a usable matched pair.
Why Customers Love This Matched Pair
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Unheated, Both Stones: Natural colorlessness in both — no thermal treatment on either.
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Cushion Charm: Romantic vintage quality in the cushion format.
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Ready to Mount: Matched pair eliminates selection and fitting work.
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Trusted Source: Treatment disclosed on both stones, matched at origin.
This 0.93 ctw unheated cushion white sapphire pair is the ready-to-use solution for cushion-cut earring commissions in colorless sapphire.
Perfect Uses for this White Sapphire Pair
- Cushion earring center stones — diamond alternative
- Three-stone ring side stones
- Custom pendant pair
- Anniversary earring commission
- Collectors of matched unheated white sapphires
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