Cushion|Lab Grown|IGI

1.04ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG840630445

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840630445

Diamond specifications and retailer prices

From $680 AUD
£376 GBP
As of November 1, 2026
Save $2,623 AUD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,303 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.04ct lab-grown cushion diamond

This 1.04ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840630445 or 840630445. Listed at 15 retailers as of October 31, 2026, with prices from $680 to $3,303, a $2,623 spread on the same certified stone. Brilliant Earth lists it at $3,303. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840630445
Dimensions7.47 × 5.05 × 3.34 mm
L/W Ratio1.48
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
7.47 mm5.05 mm1.04 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840630445
Side View
Table 65.0%Crown 38.2°Girdle: MED-THKPavilion 33.4°Culet: NoneDepth 66.1%

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: Nov 1
Current: $3,303 AUD|Low: $680 AUD|High: $3,858 AUD|Avg: $1,680 AUD|-14.4%
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
November 1, 2026
Retailer 8$680 AUD
Retailer 14$907 AUD
Retailer 13$911 AUD
Retailer 15$994 AUD
Retailer 4$1,052 AUD
Retailer 10$1,057 AUD
Retailer 12$1,135 AUD
Retailer 9$1,193 AUD
Retailer 11$1,650 AUD
Retailer 5$1,752 AUD
Retailer 6$1,972 AUD
Retailer 3$2,178 AUD
Retailer 2$2,580 AUD
Retailer 7$2,785 AUD
Brilliant Earth$3,303 AUD

20 data points across 15 retailers

15 retailers$680 AUD to $3,303 AUD

A
Cheapest Retailer
-
$680 AUD
£376 GBP
A
Retailer 2
-
$907 AUD
$637 USD
View
A
Retailer 3
-
$911 AUD
$640 USD
View
A
Retailer 4
-
$994 AUD
$698 USD
View
A
Retailer 5
-
$1,052 AUD
$739 USD
View
A
Retailer 6
-
$1,057 AUD
€707 EUR
View
A
Retailer 7
-
$1,135 AUD
ZAR 12,876 ZAR
View
A
Retailer 8
-
$1,193 AUD
£660 GBP
View
B+
Retailer 9
-
$1,650 AUD
$1,159 USD
View
B+
Retailer 10
-
$1,752 AUD
SGD 1,663 SGD
View
B+
Retailer 11
-
$1,972 AUD
$1,385 USD
View
B+
Retailer 12
-
$2,178 AUD
$1,530 USD
View
B+
Retailer 13
-
$2,580 AUD
£1,427 GBP
View
B
Retailer 14
-
$2,785 AUD
$1,956 USD
View
Most Expensive
B
Brilliant Earth
21813657A · Oct 31
$3,303 AUD
$2,320 USD
View
14 more retailers have this diamond
Prices start from $680 AUDSave up to $2,623 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
$680 AUD