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Cushion|Lab Grown|IGI

1.03ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818657595

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

Certificate IGI LG818657595

Diamond specifications and retailer prices

From €366 EUR
$407 USD
As of October 28, 2026
Save €2,042 EUR (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,407 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 LG818657595 or 818657595. Listed at 14 retailers as of October 28, 2026, with prices from €366 to €2,407, a €2,042 spread on the same certified stone. Brilliant Earth lists it at €2,407. 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 angle34.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818657595
Dimensions6.02 × 5.84 × 3.88 mm
L/W Ratio1.03
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 mm5.84 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818657595
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 66.4%

Caratlytics Score

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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: €2,407 EUR|Low: €263 EUR|High: €2,407 EUR|Avg: €912 EUR
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 12€366 EUR
Retailer 6€410 EUR
Retailer 10€561 EUR
Retailer 4€566 EUR
Retailer 13€650 EUR
Retailer 11€652 EUR
Retailer 3€684 EUR
Retailer 7€698 EUR
Retailer 9€729 EUR
Retailer 5€1,231 EUR
Retailer 14€1,343 EUR
Retailer 8€1,545 EUR
Retailer 2€1,597 EUR
Brilliant Earth€2,407 EUR

37 data points across 14 retailers

14 retailers€366 EUR to €2,407 EUR

A
Cheapest Retailer
-
€366 EUR
$407 USD
Final sale: no returns
A
Retailer 2
-
€410 EUR
$456 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
€561 EUR
$625 USD
View
A
Retailer 4
-
€566 EUR
$630 USD
View
A
Retailer 5
-
€650 EUR
$724 USD
View
A
Retailer 6
-
€652 EUR
View
A
Retailer 7
-
€684 EUR
$762 USD
View
A
Retailer 8
-
€698 EUR
ZAR 12,562 ZAR
View
A
Retailer 9
-
€729 EUR
£639 GBP
View
B+
Retailer 10
-
€1,231 EUR
$1,370 USD
View
Price last confirmed 10 days ago
B
Retailer 11
-
€1,343 EUR
$1,495 USD
View
B
Retailer 12
-
€1,545 EUR
$1,720 USD
View
B+
Retailer 13
-
€1,597 EUR
£1,400 GBP
View
Most Expensive
B
Brilliant Earth
21241770A · Oct 28
€2,407 EUR
$2,680 USD
View
13 more retailers have this diamond
Prices start from €366 EURSave up to €2,042 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
€366 EUR