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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 $1,098 SGD
$859 USD
As of October 30, 2026
Save $3,677 SGD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,775 SGD 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 $1,098 to $4,775, a $3,677 spread on the same certified stone. MOH London lists it at $4,775. 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
Colour
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: Oct 30
Current: $4,775 SGD|Low: $1,055 SGD|High: $9,301 SGD|Avg: $3,422 SGD|-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$1,098 SGD
Retailer 13$1,195 SGD
Retailer 3$1,230 SGD
Retailer 10$1,275 SGD
Retailer 2$1,496 SGD
Retailer 14$1,699 SGD
Retailer 11$2,048 SGD
Retailer 7$2,929 SGD
Retailer 9$3,260 SGD
Retailer 12$3,582 SGD
Retailer 5$4,238 SGD
MOH London$4,775 SGD
Retailer 6$8,308 SGD
Retailer 4$9,301 SGD

24 data points across 14 retailers

13 retailers$1,098 SGD to $4,775 SGD

A
Cheapest Retailer
-
$1,098 SGD
$859 USD
A
Retailer 2
-
$1,195 SGD
$935 USD
View
A
Retailer 3
-
$1,230 SGD
$962 USD
View
Final sale: no returns
A
Retailer 4
-
$1,275 SGD
$997 USD
View
Retailer 5
-
$1,275 SGD
$997 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$1,496 SGD
$1,170 USD
View
B+
Retailer 7
-
$1,699 SGD
$1,329 USD
View
B+
Retailer 8
-
$2,048 SGD
$1,602 USD
View
B
Retailer 9
-
$2,929 SGD
$2,291 USD
View
B
Retailer 10
-
$3,260 SGD
$2,550 USD
View
B
Retailer 11
-
$3,582 SGD
$2,802 USD
View
B
Retailer 12
-
$4,238 SGD
HK$25,900 HKD
View
Most Expensive
B
MOH London
LG519243980 · Nov 1
$4,775 SGD
£2,941 GBP
View
12 more retailers have this diamond
Prices start from $1,098 SGDSave up to $3,677 SGD

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
$1,098 SGD