Radiant|Lab Grown|IGI

4.07ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG692506621

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

Certificate IGI LG692506621

Diamond specifications and retailer prices

From $423 USD
As of October 27, 2026
Save $1,516 USD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,939 USD at MOH London · As of October 29, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG692506621 or 692506621. Listed at 12 retailers as of October 27, 2026, with prices from $423 to $1,939, a $1,516 spread on the same certified stone. MOH London lists it at $1,939. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG692506621
Dimensions11.49 × 7.90 × 5.16 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.49 mm7.90 mm4.07 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG692506621
Side View
Table 64.0%Crown 43.9°Girdle: MediumPavilion 34.4°Culet: NoneDepth 65.3%

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 27
Current: $1,939 USD|Low: $423 USD|High: $6,790 USD|Avg: $1,928 USD
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
Retailer 15
Retailer 16
October 29, 2026
Retailer 5$423 USD
Retailer 11$441 USD
Retailer 4$474 USD
Retailer 9$525 USD
Retailer 13$589 USD
Retailer 10$670 USD
Retailer 3$828 USD
Retailer 2$863 USD
Retailer 12$872 USD
Retailer 6$1,245 USD
Retailer 15$1,390 USD
Retailer 14$1,688 USD
MOH London$1,939 USD
Retailer 16$2,490 USD
Retailer 7$4,890 USD
Retailer 8$6,790 USD

3 data points across 16 retailers

12 retailers$423 USD to $1,939 USD

A
Cheapest Retailer
-
$423 USD
A
Retailer 2
-
$441 USD
£347 GBP
View
A
Retailer 3
-
$474 USD
View
A
Retailer 4
-
$525 USD
View
A
Retailer 5
-
$589 USD
HK$4,600 HKD
View
A
Retailer 6
-
$670 USD
View
B+
Retailer 7
-
$828 USD
View
A
Retailer 8
-
$863 USD
£679 GBP
View
A
Retailer 9
-
$872 USD
View
B+
Retailer 10
-
$1,390 USD
View
B+
Retailer 11
-
$1,688 USD
View
Most Expensive
B+
MOH London
LG692506621 · Oct 29
$1,939 USD
£1,527 GBP
View
11 more retailers have this diamond
Prices start from $423 USDSave up to $1,516 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
$423 USD