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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 $339 USD
As of October 28, 2026
Save $1,851 USD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,190 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 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 28, 2026, with prices from $339 to $2,190, a $1,851 spread on the same certified stone. Brilliant Earth lists it at $2,190. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $2,190 USD|Low: $339 USD|High: $2,200 USD|Avg: $1,022 USD|-0.5%
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
Retailer 16
October 29, 2026
Retailer 4$339 USD
Retailer 2$399 USD
Retailer 11$570 USD
Retailer 5$613 USD
Retailer 16$616 USD
Retailer 12$616 USD
Retailer 14$626 USD
Retailer 9$645 USD
Retailer 10$663 USD
Retailer 6$1,012 USD
Retailer 3$1,254 USD
Retailer 7$1,330 USD
Retailer 15$1,359 USD
Retailer 13$1,506 USD
Retailer 8$1,869 USD
Brilliant Earth$2,190 USD

17 data points across 16 retailers

16 retailers$339 USD to $2,190 USD

A
Cheapest Retailer
-
$339 USD
Final sale: no returns
A
Retailer 2
-
$399 USD
£314 GBP
View
A
Retailer 3
-
$570 USD
View
A
Retailer 4
-
$613 USD
View
A
Retailer 5
-
$616 USD
View
A
Retailer 6
-
$616 USD
€587 EUR
View
A
Retailer 7
-
$626 USD
View
A
Retailer 8
-
$645 USD
ZAR 10,421 ZAR
View
A
Retailer 9
-
$663 USD
£522 GBP
View
B+
Retailer 10
-
$1,012 USD
SGD 1,368 SGD
View
B+
Retailer 11
-
$1,254 USD
View
B+
Retailer 12
-
$1,330 USD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
$1,359 USD
View
B+
Retailer 14
-
$1,506 USD
£1,186 GBP
View
B
Retailer 15
-
$1,869 USD
View
Most Expensive
B
Brilliant Earth
21813544A · Oct 28
$2,190 USD
View
15 more retailers have this diamond
Prices start from $339 USDSave up to $1,851 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
$339 USD