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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 €305 EUR
$340 USD
As of October 28, 2026
Save €2,093 EUR (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €2,398 EUR at Brilliant Earth · As of October 28, 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 28, 2026, with prices from €305 to €2,398, a €2,093 spread on the same certified stone. Brilliant Earth lists it at €2,398. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: €2,398 EUR|Low: €305 EUR|High: €2,407 EUR|Avg: €892 EUR|-0.4%
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 29, 2026
Retailer 17€305 EUR
Retailer 15€338 EUR
Retailer 10€350 EUR
Retailer 13€512 EUR
Retailer 14€539 EUR
Retailer 16€542 EUR
Retailer 6€552 EUR
Retailer 4€553 EUR
Retailer 11€580 EUR
Retailer 12€596 EUR
Retailer 7€869 EUR
Retailer 8€914 EUR
Retailer 5€1,128 EUR
Retailer 3€1,229 EUR
Retailer 9€1,231 EUR
Retailer 2€1,361 EUR
Brilliant Earth€2,398 EUR

31 data points across 17 retailers

17 retailers€305 EUR to €2,398 EUR

A+
Cheapest Retailer
-
€305 EUR
$340 USD
Final sale: no returns
A
Retailer 2
-
€338 EUR
$376 USD
View
A
Retailer 3
-
€350 EUR
£307 GBP
View
A
Retailer 4
-
€512 EUR
$570 USD
View
A
Retailer 5
-
€539 EUR
View
A
Retailer 6
-
€542 EUR
$603 USD
View
A
Retailer 7
-
€552 EUR
$615 USD
View
A
Retailer 8
-
€553 EUR
$616 USD
View
A
Retailer 9
-
€580 EUR
ZAR 10,437 ZAR
View
A
Retailer 10
-
€596 EUR
£523 GBP
View
B+
Retailer 11
-
€869 EUR
$968 USD
View
B+
Retailer 12
-
€914 EUR
SGD 1,375 SGD
View
B+
Retailer 13
-
€1,128 EUR
$1,256 USD
View
B+
Retailer 14
-
€1,229 EUR
$1,368 USD
View
B+
Retailer 15
-
€1,231 EUR
$1,370 USD
View
Price last confirmed 10 days ago
B+
Retailer 16
-
€1,361 EUR
£1,193 GBP
View
Most Expensive
B
Brilliant Earth
21434220A · Oct 28
€2,398 EUR
$2,670 USD
View
16 more retailers have this diamond
Prices start from €305 EURSave up to €2,093 EUR

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
€305 EUR