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Cushion|Lab Grown|IGI

1.04ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG840630407

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

Certificate IGI LG840630407

Diamond specifications and retailer prices

From $483 AUD
$339 USD
As of October 30, 2026
Save $2,178 AUD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,661 AUD at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

About this 1.04ct lab-grown cushion diamond

This 1.04ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840630407 or 840630407. Listed at 16 retailers as of October 29, 2026, with prices from $483 to $2,661, a $2,178 spread on the same certified stone. Helzberg Diamonds lists it at $2,661. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840630407
Dimensions5.83 × 5.82 × 3.63 mm
L/W Ratio1.00
Girdle conditionFaceted
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
5.83 mm5.82 mm1.04 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840630407
Side View
Table 65.0%Crown 34.2°Girdle: MED-THKPavilion 34.9°Culet: NoneDepth 62.4%

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 30
Current: $2,661 AUD|Low: $483 AUD|High: $3,132 AUD|Avg: $1,448 AUD
Helzberg Diamonds
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 30, 2026
Retailer 5$483 AUD
Retailer 9$567 AUD
Retailer 13$811 AUD
Retailer 6$873 AUD
Retailer 3$877 AUD
Retailer 11$883 AUD
Retailer 15$891 AUD
Retailer 12$918 AUD
Retailer 10$949 AUD
Retailer 7$1,441 AUD
Retailer 4$1,785 AUD
Retailer 8$1,893 AUD
Retailer 16$1,935 AUD
Retailer 14$2,144 AUD
Retailer 2$2,306 AUD
Helzberg Diamonds$2,661 AUD

18 data points across 16 retailers

16 retailers$483 AUD to $2,661 AUD

A
Cheapest Retailer
-
$483 AUD
$339 USD
Final sale: no returns
A
Retailer 2
-
$567 AUD
£314 GBP
View
A
Retailer 3
-
$811 AUD
$570 USD
View
A
Retailer 4
-
$873 AUD
$613 USD
View
A
Retailer 5
-
$877 AUD
$616 USD
View
A
Retailer 6
-
$883 AUD
€591 EUR
View
A
Retailer 7
-
$891 AUD
$626 USD
View
A
Retailer 8
-
$918 AUD
ZAR 10,421 ZAR
View
A
Retailer 9
-
$949 AUD
£525 GBP
View
B+
Retailer 10
-
$1,441 AUD
SGD 1,368 SGD
View
B+
Retailer 11
-
$1,785 AUD
$1,254 USD
View
Retailer 12
-
$1,893 AUD
$1,330 USD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$1,935 AUD
$1,359 USD
View
B+
Retailer 14
-
$2,144 AUD
£1,186 GBP
View
B
Retailer 15
-
$2,306 AUD
$1,620 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJGKGN · Oct 29
$2,661 AUD
$1,869 USD
View
15 more retailers have this diamond
Prices start from $483 AUDSave up to $2,178 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
1.04ct Cushion
$483 AUD