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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 $806 NZD
$454 USD
As of October 30, 2026
Save $2,881 NZD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,686 NZD 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 $806 to $3,686, a $2,881 spread on the same certified stone. MOH London lists it at $3,686. 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

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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 30
Current: $3,686 NZD|Low: $806 NZD|High: $12,047 NZD|Avg: $3,318 NZD
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$806 NZD
Retailer 2$836 NZD
Retailer 4$901 NZD
Retailer 10$999 NZD
Retailer 13$1,113 NZD
Retailer 11$1,251 NZD
Retailer 3$1,565 NZD
Retailer 12$1,608 NZD
Retailer 9$1,652 NZD
Retailer 6$2,210 NZD
Retailer 15$2,486 NZD
Retailer 14$3,210 NZD
MOH London$3,686 NZD
Retailer 16$4,418 NZD
Retailer 7$8,677 NZD
Retailer 8$12,047 NZD

4 data points across 16 retailers

12 retailers$806 NZD to $3,686 NZD

A
Cheapest Retailer
-
$806 NZD
$454 USD
A
Retailer 2
-
$836 NZD
£371 GBP
View
A
Retailer 3
-
$901 NZD
$508 USD
View
A
Retailer 4
-
$999 NZD
$563 USD
View
A
Retailer 5
-
$1,113 NZD
HK$4,900 HKD
View
A
Retailer 6
-
$1,251 NZD
$705 USD
View
B+
Retailer 7
-
$1,565 NZD
$882 USD
View
A
Retailer 8
-
$1,608 NZD
$906 USD
View
A
Retailer 9
-
$1,652 NZD
£733 GBP
View
B+
Retailer 10
-
$2,486 NZD
$1,401 USD
View
B+
Retailer 11
-
$3,210 NZD
$1,809 USD
View
Most Expensive
B
MOH London
LG673423536 · Oct 29
$3,686 NZD
£1,636 GBP
View
11 more retailers have this diamond
Prices start from $806 NZDSave up to $2,881 NZD

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
$806 NZD