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Cushion|Lab Grown|IGI

1.07ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG818662851

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

Certificate IGI LG818662851

Diamond specifications and retailer prices

From $530 AUD
$372 USD
As of October 30, 2026
Save $2,218 AUD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,748 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.07ct lab-grown cushion diamond

This 1.07ct 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 LG818662851 or 818662851. Listed at 15 retailers as of October 30, 2026, with prices from $530 to $2,748, a $2,218 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

1.07
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818662851
Dimensions6.20 × 6.07 × 3.86 mm
L/W Ratio1.02
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
6.20 mm6.07 mm1.07 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818662851
Side View
Table 64.0%Crown 35°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 63.6%

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: $2,748 AUD|Low: $530 AUD|High: $3,089 AUD|Avg: $1,405 AUD|-11.1%
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
October 31, 2026
Retailer 14$530 AUD
Retailer 9$623 AUD
Retailer 7$658 AUD
Retailer 8$890 AUD
Retailer 3$948 AUD
Retailer 13$948 AUD
Retailer 10$955 AUD
Retailer 11$1,009 AUD
Retailer 5$1,034 AUD
Retailer 2$1,052 AUD
Retailer 4$1,950 AUD
Retailer 6$1,950 AUD
Retailer 12$2,302 AUD
Retailer 15$2,356 AUD
Brilliant Earth$2,748 AUD

36 data points across 15 retailers

15 retailers$530 AUD to $2,748 AUD

A
Cheapest Retailer
-
$530 AUD
$372 USD
Final sale: no returns
A
Retailer 2
-
$623 AUD
£344 GBP
View
Retailer 3
-
$658 AUD
$462 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
$890 AUD
$625 USD
View
A
Retailer 5
-
$948 AUD
$666 USD
View
A
Retailer 6
-
$948 AUD
$666 USD
View
A
Retailer 7
-
$955 AUD
€639 EUR
View
A
Retailer 8
-
$1,009 AUD
ZAR 11,450 ZAR
View
A
Retailer 9
-
$1,034 AUD
$726 USD
View
A
Retailer 10
-
$1,052 AUD
£582 GBP
View
B+
Retailer 11
-
$1,950 AUD
$1,370 USD
View
Retailer 12
-
$1,950 AUD
$1,370 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
$2,302 AUD
$1,617 USD
View
B
Retailer 14
-
$2,356 AUD
£1,303 GBP
View
Most Expensive
B
Brilliant Earth
21242456A · Oct 30
$2,748 AUD
$1,930 USD
View
14 more retailers have this diamond
Prices start from $530 AUDSave up to $2,218 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
1.07ct Cushion
$530 AUD