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 $480 USD
£378 GBP
As of October 29, 2026
Save $2,230 USD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,710 USD at Brilliant Earth · As of October 28, 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 14 retailers as of October 28, 2026, with prices from $480 to $2,710, a $2,230 spread on the same certified stone. Brilliant Earth lists it at $2,710. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,710 USD|Low: $477 USD|High: $2,710 USD|Avg: $1,190 USD
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
October 29, 2026
Retailer 9$480 USD
Retailer 12$637 USD
Retailer 11$640 USD
Retailer 13$698 USD
Retailer 3$739 USD
Retailer 7$749 USD
Retailer 10$797 USD
Retailer 2$836 USD
Retailer 4$1,231 USD
Retailer 5$1,385 USD
Retailer 14$1,530 USD
Retailer 8$1,822 USD
Retailer 6$1,956 USD
Brilliant Earth$2,710 USD

17 data points across 14 retailers

14 retailers$480 USD to $2,710 USD

A
Cheapest Retailer
-
$480 USD
£378 GBP
A
Retailer 2
-
$637 USD
View
A
Retailer 3
-
$640 USD
View
A
Retailer 4
-
$698 USD
View
A
Retailer 5
-
$739 USD
View
A
Retailer 6
-
$749 USD
€713 EUR
View
A
Retailer 7
-
$797 USD
ZAR 12,876 ZAR
View
A
Retailer 8
-
$836 USD
£658 GBP
View
B+
Retailer 9
-
$1,231 USD
SGD 1,663 SGD
View
B+
Retailer 10
-
$1,385 USD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
$1,530 USD
View
B+
Retailer 12
-
$1,822 USD
£1,435 GBP
View
B
Retailer 13
-
$1,956 USD
View
Most Expensive
B
Brilliant Earth
21813657A · Oct 28
$2,710 USD
View
13 more retailers have this diamond
Prices start from $480 USDSave up to $2,230 USD

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
$480 USD