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Cushion|Lab Grown|IGI

1.02ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG778640051

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG778640051

Diamond specifications and retailer prices

From $360 AUD
$253 USD
As of October 26, 2026
Save $1,932 AUD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,292 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.02ct lab-grown cushion diamond

This 1.02ct 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 LG778640051 or 778640051. Listed at 15 retailers as of October 26, 2026, with prices from $360 to $2,292, a $1,932 spread on the same certified stone. Brilliant Earth lists it at $2,292. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778640051
Dimensions7.24 × 4.93 × 3.46 mm
L/W Ratio1.47
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
7.24 mm4.93 mm1.02 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778640051
Side View
Table 62.0%Crown 37°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 70.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $2,292 AUD|Low: $360 AUD|High: $2,363 AUD|Avg: $1,008 AUD|-3.0%
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
Retailer 15
Retailer 16
October 29, 2026
Retailer 3$360 AUD
Retailer 15$400 AUD
Retailer 9$665 AUD
Retailer 4$679 AUD
Retailer 10$687 AUD
Retailer 8$712 AUD
Retailer 6$732 AUD
Retailer 2$745 AUD
Retailer 5$826 AUD
Retailer 11$976 AUD
Retailer 14$1,046 AUD
Retailer 16$1,262 AUD
Retailer 7$1,361 AUD
Retailer 13$1,612 AUD
Retailer 12$1,815 AUD
Brilliant Earth$2,292 AUD

41 data points across 16 retailers

15 retailers$360 AUD to $2,292 AUD

A
Cheapest Retailer
-
$360 AUD
$253 USD
Final sale: no returns
A
Retailer 2
-
$400 AUD
$281 USD
View
A
Retailer 3
-
$665 AUD
€445 EUR
View
A
Retailer 4
-
$679 AUD
$477 USD
View
A
Retailer 5
-
$687 AUD
ZAR 7,800 ZAR
View
A
Retailer 6
-
$732 AUD
$514 USD
View
A
Retailer 7
-
$745 AUD
£412 GBP
View
A
Retailer 8
-
$826 AUD
$580 USD
View
A
Retailer 9
-
$976 AUD
View
A
Retailer 10
-
$1,046 AUD
$735 USD
View
B+
Retailer 11
-
$1,262 AUD
SGD 1,198 SGD
View
B+
Retailer 12
-
$1,361 AUD
$956 USD
View
B+
Retailer 13
-
$1,612 AUD
£892 GBP
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$1,815 AUD
$1,275 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21417353A · Oct 28
$2,292 AUD
$1,610 USD
View
14 more retailers have this diamond
Prices start from $360 AUDSave up to $1,932 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
1.02ct Cushion
$360 AUD