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Radiant|Lab Grown|IGI

4.07ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG662436739

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

Certificate IGI LG662436739

Diamond specifications and retailer prices

From $784 NZD
$442 USD
As of October 30, 2026
Save $2,897 NZD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,682 NZD at Adiamor · As of October 31, 2026
View at Adiamor

About this 4.07ct lab-grown radiant diamond

This 4.07ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG662436739 or 662436739. Listed at 15 retailers as of October 30, 2026, with prices from $784 to $3,682, a $2,897 spread on the same certified stone. Adiamor lists it at $3,682. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662436739
Dimensions11.15 × 7.88 × 5.30 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.15 mm7.88 mm4.07 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662436739
Side View
Table 65.0%Crown 44°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 67.3%

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: $3,682 NZD|Low: $784 NZD|High: $12,473 NZD|Avg: $3,395 NZD|+11.9%
Adiamor
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
Retailer 17
November 1, 2026
Retailer 7$784 NZD
Retailer 6$878 NZD
Retailer 10$903 NZD
Retailer 14$972 NZD
Retailer 17$1,067 NZD
Retailer 15$1,224 NZD
Retailer 5$1,524 NZD
Retailer 12$1,531 NZD
Retailer 16$1,583 NZD
Retailer 11$1,606 NZD
Retailer 13$2,612 NZD
Retailer 3$3,123 NZD
Retailer 2$3,569 NZD
Adiamor$3,682 NZD
Retailer 4$5,296 NZD
Retailer 8$9,896 NZD
Retailer 9$12,473 NZD

6 data points across 17 retailers

15 retailers$784 NZD to $3,682 NZD

A
Cheapest Retailer
-
$784 NZD
$442 USD
A
Retailer 2
-
$878 NZD
$495 USD
View
A
Retailer 3
-
$903 NZD
£401 GBP
View
A
Retailer 4
-
$972 NZD
$548 USD
View
A
Retailer 5
-
$1,067 NZD
HK$4,700 HKD
View
A
Retailer 6
-
$1,224 NZD
$690 USD
View
B+
Retailer 7
-
$1,524 NZD
$859 USD
View
A
Retailer 8
-
$1,531 NZD
€822 EUR
View
A
Retailer 9
-
$1,583 NZD
$892 USD
View
A
Retailer 10
-
$1,606 NZD
£713 GBP
View
B+
Retailer 11
-
$2,612 NZD
$1,472 USD
View
B
Retailer 12
-
$3,123 NZD
$1,760 USD
View
B+
Retailer 13
-
$3,569 NZD
£1,584 GBP
View
Most Expensive
B
Adiamor
D-82835044 · Oct 31
$3,682 NZD
$2,075 USD
View
13 more retailers have this diamond
Prices start from $784 NZDSave up to $2,897 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
$784 NZD