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 €769 EUR
$859 USD
As of October 30, 2026
Save €2,574 EUR (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,343 EUR 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 October 30, 2026, with prices from €769 to €3,343, a €2,574 spread on the same certified stone. MOH London lists it at €3,343. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €3,343 EUR|Low: €738 EUR|High: €6,513 EUR|Avg: €2,396 EUR|-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€769 EUR
Retailer 13€837 EUR
Retailer 3€861 EUR
Retailer 10€892 EUR
Retailer 2€1,047 EUR
Retailer 14€1,190 EUR
Retailer 11€1,434 EUR
Retailer 7€2,051 EUR
Retailer 9€2,282 EUR
Retailer 12€2,508 EUR
Retailer 5€2,967 EUR
MOH London€3,343 EUR
Retailer 6€5,817 EUR
Retailer 4€6,513 EUR

24 data points across 14 retailers

13 retailers€769 EUR to €3,343 EUR

A
Cheapest Retailer
-
€769 EUR
$859 USD
A
Retailer 2
-
€837 EUR
$935 USD
View
A
Retailer 3
-
€861 EUR
$962 USD
View
Final sale: no returns
A
Retailer 4
-
€892 EUR
$997 USD
View
Retailer 5
-
€892 EUR
$997 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
€1,047 EUR
$1,170 USD
View
B+
Retailer 7
-
€1,190 EUR
$1,329 USD
View
B+
Retailer 8
-
€1,434 EUR
$1,602 USD
View
B
Retailer 9
-
€2,051 EUR
$2,291 USD
View
B
Retailer 10
-
€2,282 EUR
$2,550 USD
View
B
Retailer 11
-
€2,508 EUR
$2,802 USD
View
B
Retailer 12
-
€2,967 EUR
HK$25,900 HKD
View
Most Expensive
B
MOH London
LG519243980 · Nov 1
€3,343 EUR
£2,941 GBP
View
12 more retailers have this diamond
Prices start from €769 EURSave up to €2,574 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
4.07ct Radiant
€769 EUR