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Cushion|Lab Grown|IGI

1.06ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG620421792

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG620421792

Diamond specifications and retailer prices

From $635 AUD
$446 USD
As of October 30, 2026
Save $2,127 AUD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,762 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.06ct lab-grown cushion diamond

This 1.06ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG620421792 or 620421792. Listed at 18 retailers as of October 29, 2026, with prices from $635 to $2,762, a $2,127 spread on the same certified stone. Brilliant Earth lists it at $2,762. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.06
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620421792
Dimensions7.03 × 5.54 × 3.65 mm
L/W Ratio1.27
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
7.03 mm5.54 mm1.06 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620421792
Side View
Table 61.0%Crown 34.8°Girdle: THN-MEDPavilion 38.4°Culet: NoneDepth 65.9%

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: Oct 30
Current: $2,762 AUD|Low: $635 AUD|High: $2,790 AUD|Avg: $1,345 AUD|-1.0%
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
October 31, 2026
Retailer 4$635 AUD
Retailer 13$685 AUD
Retailer 12$728 AUD
Retailer 7$897 AUD
Retailer 14$918 AUD
Retailer 5$1,006 AUD
Retailer 9$1,103 AUD
Retailer 11$1,177 AUD
Retailer 2$1,241 AUD
Retailer 3$1,503 AUD
Retailer 8$1,669 AUD
Retailer 6$1,996 AUD
Retailer 10$2,690 AUD
Brilliant Earth$2,762 AUD

42 data points across 14 retailers

18 retailers$635 AUD to $2,762 AUD

A
Cheapest Retailer
-
$635 AUD
$446 USD
Final sale: no returns
A
Retailer 2
-
$685 AUD
$481 USD
View
Retailer 3
-
$728 AUD
£403 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$897 AUD
$630 USD
View
A
Retailer 5
-
$918 AUD
$645 USD
View
A
Retailer 6
-
$961 AUD
$675 USD
View
A
Retailer 7
-
$1,006 AUD
$707 USD
View
A
Retailer 8
-
$1,103 AUD
€738 EUR
View
A
Retailer 9
-
$1,177 AUD
ZAR 13,357 ZAR
View
B+
Retailer 10
-
$1,241 AUD
£686 GBP
View
Retailer 11
-
$1,503 AUD
$1,056 USD
View
Price last confirmed 25 days ago
Retailer 12
-
$1,629 AUD
View
Price last confirmed 144 days ago
B+
Retailer 13
-
$1,669 AUD
View
Retailer 14
-
$1,996 AUD
£1,104 GBP
View
Price last confirmed 26 days ago
B
Retailer 15
-
$2,255 AUD
$1,584 USD
View
B
Retailer 16
-
$2,506 AUD
$1,760 USD
View
B
Retailer 17
-
$2,690 AUD
£1,488 GBP
View
Most Expensive
B
Brilliant Earth
11259141A · Oct 29
$2,762 AUD
$1,940 USD
View
17 more retailers have this diamond
Prices start from $635 AUDSave up to $2,127 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
1.06ct Cushion
$635 AUD