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Cushion|Lab Grown|IGI

1.26ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG803659488

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

Certificate IGI LG803659488

Diamond specifications and retailer prices

From $367 AUD
$258 USD
As of November 1, 2026
Save $1,540 AUD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,908 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 LG803659488 or 803659488. Listed at 15 retailers as of October 28, 2026, with prices from $367 to $1,908, a $1,540 spread on the same certified stone. Brilliant Earth lists it at $1,908. 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 angle34.5°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803659488
Dimensions6.30 × 6.20 × 4.15 mm
L/W Ratio1.02
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
6.30 mm6.20 mm1.26 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803659488
Side View
Table 58.0%Crown 34.5°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 66.9%

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: Nov 1
Current: $1,908 AUD|Low: $169 AUD|High: $1,908 AUD|Avg: $900 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
Retailer 18
November 1, 2026
Retailer 7$169 AUD
Retailer 11$367 AUD
Retailer 12$469 AUD
Retailer 14$583 AUD
Retailer 2$606 AUD
Retailer 16$609 AUD
Retailer 13$643 AUD
Retailer 15$708 AUD
Retailer 6$810 AUD
Retailer 9$854 AUD
Retailer 5$860 AUD
Retailer 3$1,032 AUD
Retailer 8$1,069 AUD
Retailer 18$1,205 AUD
Retailer 4$1,645 AUD
Retailer 17$1,694 AUD
Retailer 10$1,714 AUD
Brilliant Earth$1,908 AUD

18 data points across 18 retailers

15 retailers$367 AUD to $1,908 AUD

A
Cheapest Retailer
-
$367 AUD
$258 USD
Final sale: no returns
A
Retailer 2
-
$469 AUD
£259 GBP
View
A
Retailer 3
-
$583 AUD
€390 EUR
View
A
Retailer 4
-
$606 AUD
ZAR 6,877 ZAR
View
A
Retailer 5
-
$609 AUD
$428 USD
View
A
Retailer 6
-
$643 AUD
£356 GBP
View
A
Retailer 7
-
$708 AUD
$497 USD
View
B+
Retailer 8
-
$810 AUD
$569 USD
View
Retailer 9
-
$860 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$1,032 AUD
$725 USD
View
Retailer 11
-
$1,069 AUD
View
Price last confirmed 75 days ago
B+
Retailer 12
-
$1,205 AUD
$846 USD
View
B
Retailer 13
-
$1,645 AUD
£910 GBP
View
B
Retailer 14
-
$1,694 AUD
$1,190 USD
View
Most Expensive
B
Brilliant Earth
19740798A · Oct 28
$1,908 AUD
$1,340 USD
View
14 more retailers have this diamond
Prices start from $367 AUDSave up to $1,540 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
$367 AUD