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Radiant|Lab Grown|IGI

4.07ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG673423536

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

Certificate IGI LG673423536

Diamond specifications and retailer prices

From $646 AUD
$454 USD
As of October 30, 2026
Save $2,311 AUD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,957 AUD 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 LG673423536 or 673423536. Listed at 12 retailers as of October 29, 2026, with prices from $646 to $2,957, a $2,311 spread on the same certified stone. MOH London lists it at $2,957. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG673423536
Dimensions11.36 × 7.82 × 5.17 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
11.36 mm7.82 mm4.07 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG673423536
Side View
Table 65.0%Crown 44.6°Girdle: STK-THKPavilion 34.4°Culet: NoneDepth 66.1%

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: $2,957 AUD|Low: $646 AUD|High: $9,665 AUD|Avg: $2,662 AUD
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 30, 2026
Retailer 5$646 AUD
Retailer 2$671 AUD
Retailer 4$723 AUD
Retailer 10$801 AUD
Retailer 13$893 AUD
Retailer 11$1,003 AUD
Retailer 3$1,255 AUD
Retailer 12$1,290 AUD
Retailer 9$1,326 AUD
Retailer 6$1,773 AUD
Retailer 15$1,994 AUD
Retailer 14$2,575 AUD
MOH London$2,957 AUD
Retailer 16$3,544 AUD
Retailer 7$6,961 AUD
Retailer 8$9,665 AUD

4 data points across 16 retailers

12 retailers$646 AUD to $2,957 AUD

A
Cheapest Retailer
-
$646 AUD
$454 USD
A
Retailer 2
-
$671 AUD
£371 GBP
View
A
Retailer 3
-
$723 AUD
$508 USD
View
A
Retailer 4
-
$801 AUD
$563 USD
View
A
Retailer 5
-
$893 AUD
HK$4,900 HKD
View
A
Retailer 6
-
$1,003 AUD
$705 USD
View
B+
Retailer 7
-
$1,255 AUD
$882 USD
View
A
Retailer 8
-
$1,290 AUD
$906 USD
View
A
Retailer 9
-
$1,326 AUD
£733 GBP
View
B+
Retailer 10
-
$1,994 AUD
$1,401 USD
View
B+
Retailer 11
-
$2,575 AUD
$1,809 USD
View
Most Expensive
B
MOH London
LG673423536 · Oct 29
$2,957 AUD
£1,636 GBP
View
11 more retailers have this diamond
Prices start from $646 AUDSave up to $2,311 AUD

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
$646 AUD