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Cushion|Lab Grown|IGI

1.00ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG658492612

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG658492612

Diamond specifications and retailer prices

From $622 AUD
$437 USD
As of October 30, 2026
Save $2,125 AUD (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,748 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1ct lab-grown cushion diamond

This 1ct 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 LG658492612 or 658492612. Listed at 19 retailers as of October 30, 2026, with prices from $622 to $2,748, a $2,125 spread on the same certified stone. Brilliant Earth lists it at $2,748. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658492612
Dimensions7.36 × 5.19 × 3.41 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.36 mm5.19 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658492612
Side View
Table 60.0%Crown 33.2°Girdle: MED-THKPavilion 34.2°Culet: NoneDepth 65.7%

Caratlytics Score

How it works →
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: $2,748 AUD|Low: $622 AUD|High: $2,748 AUD|Avg: $1,395 AUD
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
October 31, 2026
Retailer 5$622 AUD
Retailer 4$689 AUD
Retailer 3$897 AUD
Retailer 13$942 AUD
Retailer 2$1,076 AUD
Retailer 6$1,130 AUD
Retailer 10$1,184 AUD
Retailer 8$1,466 AUD
Retailer 7$1,679 AUD
Retailer 12$1,688 AUD
Retailer 11$1,794 AUD
Retailer 9$2,707 AUD
Brilliant Earth$2,748 AUD

43 data points across 13 retailers

19 retailers$622 AUD to $2,748 AUD

A
Cheapest Retailer
-
$622 AUD
$437 USD
Final sale: no returns
A
Retailer 2
-
$689 AUD
$484 USD
View
A
Retailer 3
-
$702 AUD
$493 USD
View
A
Retailer 4
-
$897 AUD
$630 USD
View
A
Retailer 5
-
$942 AUD
$662 USD
View
A
Retailer 6
-
$1,076 AUD
€720 EUR
View
A
Retailer 7
-
$1,130 AUD
£625 GBP
View
A
Retailer 8
-
$1,184 AUD
ZAR 13,435 ZAR
View
B+
Retailer 9
-
$1,466 AUD
View
B+
Retailer 10
-
$1,679 AUD
View
B+
Retailer 11
-
$1,688 AUD
$1,186 USD
View
B+
Retailer 12
-
$1,794 AUD
$1,260 USD
View
Retailer 13
-
$1,794 AUD
$1,260 USD
View
Price last confirmed 33 days ago
B
Retailer 14
-
$2,018 AUD
£1,116 GBP
View
B
Retailer 15
-
$2,268 AUD
$1,593 USD
View
B
Retailer 16
-
$2,564 AUD
$1,801 USD
View
B
Retailer 17
-
$2,574 AUD
$1,808 USD
View
B
Retailer 18
-
$2,707 AUD
£1,497 GBP
View
Most Expensive
B
Brilliant Earth
14013277A · Oct 31
$2,748 AUD
$1,930 USD
View
18 more retailers have this diamond
Prices start from $622 AUDSave up to $2,125 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
1.00ct Cushion
$622 AUD