Radiant|Lab Grown|IGI

4.07ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG519243980

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG519243980

Diamond specifications and retailer prices

From $859 USD
As of November 2, 2026
Save $2,876 USD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,735 USD at MOH London · As of November 1, 2026
View at MOH London

About this 4.07ct lab-grown radiant diamond

This 4.07ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG519243980 or 519243980. Listed at 13 retailers as of November 1, 2026, with prices from $859 to $3,735, a $2,876 spread on the same certified stone. MOH London lists it at $3,735. 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

4.07
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG519243980
Dimensions9.94 × 7.76 × 5.39 mm
L/W Ratio1.28
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
9.94 mm7.76 mm4.07 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG519243980
Side View
Table 67.0%Crown 48.9°Girdle: THK-VTKPavilionCulet: NoneDepth 69.5%

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: Nov 2
Current: $3,735 USD|Low: $825 USD|High: $7,276 USD|Avg: $2,677 USD|-1.1%
MOH London
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
November 1, 2026
Retailer 8$859 USD
Retailer 13$935 USD
Retailer 3$962 USD
Retailer 10$997 USD
Retailer 2$1,170 USD
Retailer 14$1,329 USD
Retailer 11$1,602 USD
Retailer 7$2,291 USD
Retailer 9$2,550 USD
Retailer 12$2,802 USD
Retailer 5$3,315 USD
MOH London$3,735 USD
Retailer 6$6,499 USD
Retailer 4$7,276 USD

24 data points across 14 retailers

13 retailers$859 USD to $3,735 USD

A
Cheapest Retailer
-
$859 USD
A
Retailer 2
-
$935 USD
View
A
Retailer 3
-
$962 USD
View
Final sale: no returns
A
Retailer 4
-
$997 USD
View
Retailer 5
-
$997 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$1,170 USD
View
B+
Retailer 7
-
$1,329 USD
View
B+
Retailer 8
-
$1,602 USD
View
B
Retailer 9
-
$2,291 USD
View
B
Retailer 10
-
$2,550 USD
View
B
Retailer 11
-
$2,802 USD
View
B
Retailer 12
-
$3,315 USD
HK$25,900 HKD
View
Most Expensive
B
MOH London
LG519243980 · Nov 1
$3,735 USD
£2,941 GBP
View
12 more retailers have this diamond
Prices start from $859 USDSave up to $2,876 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
4.07ct Radiant
$859 USD