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Cushion|Lab Grown|IGI

5.03ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG781636293

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG781636293

Diamond specifications and retailer prices

From €696 EUR
£612 GBP
As of October 27, 2026
Save €2,813 EUR (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,509 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.03ct lab-grown cushion diamond

This 5.03ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG781636293 or 781636293. Listed at 13 retailers as of October 27, 2026, with prices from €696 to €3,509, a €2,813 spread on the same certified stone. Brilliant Earth lists it at €3,509. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.03
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle30.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781636293
Dimensions11.97 × 8.59 × 5.56 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.97 mm8.59 mm5.03 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781636293
Side View
Table 63.0%Crown 34.1°Girdle: MED-STKPavilion 30.3°Culet: NoneDepth 64.7%

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 27
Current: €3,509 EUR|Low: €694 EUR|High: €3,509 EUR|Avg: €1,482 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
October 31, 2026
Retailer 9€696 EUR
Retailer 8€710 EUR
Retailer 3€779 EUR
Retailer 2€940 EUR
Retailer 5€977 EUR
Retailer 13€1,018 EUR
Retailer 10€1,031 EUR
Retailer 4€1,190 EUR
Retailer 7€1,482 EUR
Retailer 6€2,041 EUR
Retailer 12€2,564 EUR
Retailer 11€2,883 EUR
Brilliant Earth€3,509 EUR

36 data points across 13 retailers

13 retailers€696 EUR to €3,509 EUR

A
Cheapest Retailer
-
€696 EUR
£612 GBP
A
Retailer 2
-
€710 EUR
HK$6,200 HKD
View
Retailer 3
-
€779 EUR
$870 USD
View
Price last confirmed 5 days ago
A
Retailer 4
-
€940 EUR
View
A
Retailer 5
-
€977 EUR
$1,092 USD
View
B+
Retailer 6
-
€1,018 EUR
$1,137 USD
View
A
Retailer 7
-
€1,031 EUR
£907 GBP
View
B+
Retailer 8
-
€1,190 EUR
$1,329 USD
View
B+
Retailer 9
-
€1,482 EUR
$1,656 USD
View
B+
Retailer 10
-
€2,041 EUR
SGD 3,081 SGD
View
Retailer 11
-
€2,564 EUR
$2,865 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
€2,883 EUR
£2,536 GBP
View
Most Expensive
B
Brilliant Earth
18490569A · Oct 31
€3,509 EUR
$3,920 USD
View
12 more retailers have this diamond
Prices start from €696 EURSave up to €2,813 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
5.03ct Cushion
€696 EUR