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Cushion|Lab Grown|IGI

1.03ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG830624141

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

Certificate IGI LG830624141

Diamond specifications and retailer prices

From $340 USD
As of October 30, 2026
Save $1,230 USD (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,570 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.03ct lab-grown cushion diamond

This 1.03ct 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 LG830624141 or 830624141. Listed at 17 retailers as of October 30, 2026, with prices from $340 to $1,570, a $1,230 spread on the same certified stone. Brilliant Earth lists it at $1,570. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830624141
Dimensions6.02 × 6.00 × 3.81 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
6.02 mm6.00 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830624141
Side View
Table 57.0%Crown 33.7°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A+
Exceptional
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: $1,570 USD|Low: $340 USD|High: $2,680 USD|Avg: $972 USD|-41.4%
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
Retailer 16
Retailer 17
October 31, 2026
Retailer 17$340 USD
Retailer 15$376 USD
Retailer 11$388 USD
Retailer 14$570 USD
Retailer 2$603 USD
Retailer 16$603 USD
Retailer 6$615 USD
Retailer 4$616 USD
Retailer 13$646 USD
Retailer 10$662 USD
Retailer 7$968 USD
Retailer 8$1,018 USD
Retailer 5$1,256 USD
Retailer 3$1,368 USD
Retailer 9$1,370 USD
Retailer 12$1,515 USD
Brilliant Earth$1,570 USD

28 data points across 17 retailers

17 retailers$340 USD to $1,570 USD

A+
Cheapest Retailer
-
$340 USD
Final sale: no returns
A
Retailer 2
-
$376 USD
View
A
Retailer 3
-
$388 USD
£306 GBP
View
A
Retailer 4
-
$570 USD
View
A
Retailer 5
-
$603 USD
€574 EUR
View
A
Retailer 6
-
$603 USD
View
A
Retailer 7
-
$615 USD
View
A
Retailer 8
-
$616 USD
View
A
Retailer 9
-
$646 USD
ZAR 10,437 ZAR
View
A
Retailer 10
-
$662 USD
£522 GBP
View
B+
Retailer 11
-
$968 USD
View
B+
Retailer 12
-
$1,018 USD
SGD 1,375 SGD
View
B+
Retailer 13
-
$1,256 USD
View
B+
Retailer 14
-
$1,368 USD
View
Retailer 15
-
$1,370 USD
View
Price last confirmed 12 days ago
B+
Retailer 16
-
$1,515 USD
£1,193 GBP
View
Most Expensive
B
Brilliant Earth
21434220A · Oct 30
$1,570 USD
View
16 more retailers have this diamond
Prices start from $340 USDSave up to $1,230 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+
1.03ct Cushion
$340 USD