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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 $318 AUD
$223 USD
As of October 31, 2026
Save $1,594 AUD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,912 AUD 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 $318 to $1,912, a $1,594 spread on the same certified stone. Brilliant Earth lists it at $1,912. 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
Colour
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $1,912 AUD|Low: $305 AUD|High: $1,912 AUD|Avg: $882 AUD|+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 31, 2026
Retailer 10$318 AUD
Retailer 6$352 AUD
Retailer 16$471 AUD
Retailer 7$539 AUD
Retailer 2$584 AUD
Retailer 14$611 AUD
Retailer 11$644 AUD
Retailer 12$709 AUD
Retailer 13$810 AUD
Retailer 9$856 AUD
Retailer 5$862 AUD
Retailer 4$1,035 AUD
Retailer 8$1,071 AUD
Retailer 17$1,207 AUD
Retailer 3$1,595 AUD
Retailer 15$1,698 AUD
Brilliant Earth$1,912 AUD

17 data points across 17 retailers

15 retailers$318 AUD to $1,912 AUD

A
Cheapest Retailer
-
$318 AUD
$223 USD
Final sale: no returns
A
Retailer 2
-
$352 AUD
$247 USD
View
A
Retailer 3
-
$471 AUD
£260 GBP
View
A
Retailer 4
-
$584 AUD
€390 EUR
View
A
Retailer 5
-
$611 AUD
$428 USD
View
A
Retailer 6
-
$644 AUD
£356 GBP
View
A
Retailer 7
-
$709 AUD
$497 USD
View
A
Retailer 8
-
$810 AUD
$568 USD
View
Retailer 9
-
$862 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$1,035 AUD
$725 USD
View
Retailer 11
-
$1,071 AUD
View
Price last confirmed 76 days ago
B+
Retailer 12
-
$1,207 AUD
$846 USD
View
B
Retailer 13
-
$1,595 AUD
£880 GBP
View
B
Retailer 14
-
$1,698 AUD
$1,190 USD
View
Most Expensive
B
Brilliant Earth
18700468A · Oct 28
$1,912 AUD
$1,340 USD
View
14 more retailers have this diamond
Prices start from $318 AUDSave up to $1,594 AUD

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
$318 AUD