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Cushion|Lab Grown|IGI

1.26ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG786601826

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG786601826

Diamond specifications and retailer prices

From $247 USD
As of October 29, 2026
Save $1,093 USD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,340 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.26ct lab-grown cushion diamond

This 1.26ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786601826 or 786601826. Listed at 15 retailers as of October 28, 2026, with prices from $247 to $1,340, a $1,093 spread on the same certified stone. Brilliant Earth lists it at $1,340. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786601826
Dimensions6.34 × 6.28 × 4.17 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.34 mm6.28 mm1.26 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786601826
Side View
Table 60.0%Crown 36.3°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $1,340 USD|Low: $214 USD|High: $1,340 USD|Avg: $616 USD|+15.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 6$247 USD
Retailer 10$247 USD
Retailer 12$320 USD
Retailer 7$378 USD
Retailer 2$400 USD
Retailer 16$415 USD
Retailer 3$431 USD
Retailer 15$494 USD
Retailer 13$561 USD
Retailer 9$600 USD
Retailer 5$604 USD
Retailer 14$725 USD
Retailer 8$751 USD
Retailer 17$819 USD
Retailer 11$1,118 USD
Retailer 4$1,168 USD
Brilliant Earth$1,340 USD

15 data points across 17 retailers

15 retailers$247 USD to $1,340 USD

A
Cheapest Retailer
-
$247 USD
Final sale: no returns
A
Retailer 2
-
$247 USD
View
A
Retailer 3
-
$320 USD
£252 GBP
View
Retailer 4
-
$400 USD
€381 EUR
View
A
Retailer 5
-
$415 USD
View
A
Retailer 6
-
$431 USD
£340 GBP
View
A
Retailer 7
-
$494 USD
View
B+
Retailer 8
-
$561 USD
View
B+
Retailer 9
-
$604 USD
A$929 AUD
View
B+
Retailer 10
-
$725 USD
View
B+
Retailer 11
-
$751 USD
A$1,155 AUD
View
Price last confirmed 71 days ago
B+
Retailer 12
-
$819 USD
View
B
Retailer 13
-
$1,118 USD
£880 GBP
View
B
Retailer 14
-
$1,168 USD
View
Most Expensive
B
Brilliant Earth
18700468A · Oct 28
$1,340 USD
View
14 more retailers have this diamond
Prices start from $247 USDSave up to $1,093 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.26ct Cushion
$247 USD