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Round|Lab Grown|IGI

4.01ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG624423156

Shape and cutting style on the report: Round brilliant

Certificate IGI LG624423156

Diamond specifications and retailer prices

From $932 USD
As of October 30, 2026
Save $2,091 USD (69%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,023 USD at MOH London · As of October 26, 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 LG624423156 or 624423156. Listed at 7 retailers as of October 26, 2026, with prices from $932 to $3,023, a $2,091 spread on the same certified stone. MOH London lists it at $3,023. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG624423156
Dimensions10.17 × 10.08 × 6.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.17 mm10.08 mm4.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG624423156
Side View
Table 58.0%Crown 35.2°Girdle: MediumPavilion 41°Culet: NoneDepth 62.2%

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 30
Current: $3,023 USD|Low: $932 USD|High: $3,034 USD|Avg: $1,663 USD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4$932 USD
Retailer 6$1,010 USD
Retailer 8$1,035 USD
Retailer 2$1,081 USD
Retailer 3$1,644 USD
Retailer 5$2,254 USD
Retailer 7$2,634 USD
MOH London$3,023 USD

13 data points across 8 retailers

7 retailers$932 USD to $3,023 USD

B+
Cheapest Retailer
-
$932 USD
A
Retailer 2
-
$1,010 USD
View
A
Retailer 3
-
$1,081 USD
£851 GBP
View
B+
Retailer 4
-
$1,644 USD
View
B
Retailer 5
-
$2,254 USD
View
Retailer 6
-
$2,634 USD
View
Price last confirmed 72 days ago
Most Expensive
B
MOH London
LG624423156 · Oct 26
$3,023 USD
£2,380 GBP
View
6 more retailers have this diamond
Prices start from $932 USDSave up to $2,091 USD

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
$932 USD