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Round|Lab Grown|IGI

4.01ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG823605355

Shape and cutting style on the report: Round brilliant

Certificate IGI LG823605355

Diamond specifications and retailer prices

From €503 EUR
$562 USD
As of October 29, 2026
Save €2,220 EUR (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €2,723 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 4.01ct lab-grown round diamond

This 4.01ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG823605355 or 823605355. Listed at 9 retailers as of October 29, 2026, with prices from €503 to €2,723, a €2,220 spread on the same certified stone. MOH London lists it at €2,723. 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

4.01
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823605355
Dimensions10.35 × 10.40 × 6.04 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.35 mm10.40 mm4.01 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823605355
Side View
Table 62.0%Crown 32°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 58.2%

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 29
Current: €2,723 EUR|Low: €486 EUR|High: €2,731 EUR|Avg: €1,470 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 6€503 EUR
Retailer 4€563 EUR
Retailer 8€679 EUR
Retailer 2€938 EUR
Retailer 5€1,548 EUR
Retailer 3€1,549 EUR
Retailer 7€1,640 EUR
Retailer 9€2,436 EUR
MOH London€2,723 EUR

27 data points across 9 retailers

9 retailers€503 EUR to €2,723 EUR

A
Cheapest Retailer
-
€503 EUR
$562 USD
A
Retailer 2
-
€563 EUR
$629 USD
View
Retailer 3
-
€679 EUR
£597 GBP
View
Price last confirmed 17 days ago
A
Retailer 4
-
€938 EUR
View
B
Retailer 5
-
€1,548 EUR
$1,729 USD
View
B
Retailer 6
-
€1,549 EUR
$1,730 USD
View
B
Retailer 7
-
€1,640 EUR
$1,832 USD
View
Retailer 8
-
€2,436 EUR
SGD 3,678 SGD
View
Price last confirmed 19 days ago
Most Expensive
B
MOH London
LG823605355 · Oct 29
€2,723 EUR
£2,395 GBP
View
8 more retailers have this diamond
Prices start from €503 EURSave up to €2,220 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
4.01ct Round
€503 EUR