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Cushion|Lab Grown|IGI

1.03ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG816624821

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

Certificate IGI LG816624821

Diamond specifications and retailer prices

From €339 EUR
$377 USD
As of October 28, 2026
Save €2,069 EUR (86%) vs most expensive(unlock to see where)
12 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 LG816624821 or 816624821. Listed at 12 retailers as of October 28, 2026, with prices from €339 to €2,407, a €2,069 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 angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816624821
Dimensions6.07 × 5.98 × 3.84 mm
L/W Ratio1.02
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
6.07 mm5.98 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816624821
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 64.2%

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: €2,407 EUR|Low: €247 EUR|High: €2,479 EUR|Avg: €992 EUR|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 10€339 EUR
Retailer 8€552 EUR
Retailer 3€557 EUR
Retailer 11€606 EUR
Retailer 9€606 EUR
Retailer 5€646 EUR
Retailer 7€670 EUR
Retailer 4€1,231 EUR
Retailer 12€1,247 EUR
Retailer 6€1,466 EUR
Retailer 2€1,514 EUR
Brilliant Earth€2,407 EUR

35 data points across 12 retailers

12 retailers€339 EUR to €2,407 EUR

A
Cheapest Retailer
-
€339 EUR
$377 USD
Final sale: no returns
A
Retailer 2
-
€552 EUR
$615 USD
View
A
Retailer 3
-
€557 EUR
$620 USD
View
A
Retailer 4
-
€606 EUR
$675 USD
View
A
Retailer 5
-
€606 EUR
View
A
Retailer 6
-
€646 EUR
ZAR 11,616 ZAR
View
A
Retailer 7
-
€670 EUR
£587 GBP
View
B+
Retailer 8
-
€1,231 EUR
$1,370 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
€1,247 EUR
$1,388 USD
View
B
Retailer 10
-
€1,466 EUR
$1,632 USD
View
B+
Retailer 11
-
€1,514 EUR
£1,327 GBP
View
Most Expensive
B
Brilliant Earth
21018766A · Oct 28
€2,407 EUR
$2,680 USD
View
11 more retailers have this diamond
Prices start from €339 EURSave up to €2,069 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
€339 EUR