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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 $629 AUD
$442 USD
As of October 30, 2026
Save $2,325 AUD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,954 AUD 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 $629 to $2,954, a $2,325 spread on the same certified stone. Adiamor lists it at $2,954. 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

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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: $2,954 AUD|Low: $629 AUD|High: $10,008 AUD|Avg: $2,724 AUD|+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$629 AUD
Retailer 6$705 AUD
Retailer 10$725 AUD
Retailer 14$780 AUD
Retailer 17$856 AUD
Retailer 15$982 AUD
Retailer 5$1,223 AUD
Retailer 12$1,229 AUD
Retailer 16$1,270 AUD
Retailer 11$1,288 AUD
Retailer 13$2,096 AUD
Retailer 3$2,506 AUD
Retailer 2$2,864 AUD
Adiamor$2,954 AUD
Retailer 4$4,249 AUD
Retailer 8$7,940 AUD
Retailer 9$10,008 AUD

6 data points across 17 retailers

15 retailers$629 AUD to $2,954 AUD

A
Cheapest Retailer
-
$629 AUD
$442 USD
A
Retailer 2
-
$705 AUD
$495 USD
View
A
Retailer 3
-
$725 AUD
£401 GBP
View
A
Retailer 4
-
$780 AUD
$548 USD
View
A
Retailer 5
-
$856 AUD
HK$4,700 HKD
View
A
Retailer 6
-
$982 AUD
$690 USD
View
B+
Retailer 7
-
$1,223 AUD
$859 USD
View
A
Retailer 8
-
$1,229 AUD
€822 EUR
View
A
Retailer 9
-
$1,270 AUD
$892 USD
View
A
Retailer 10
-
$1,288 AUD
£713 GBP
View
B+
Retailer 11
-
$2,096 AUD
$1,472 USD
View
B
Retailer 12
-
$2,506 AUD
$1,760 USD
View
B+
Retailer 13
-
$2,864 AUD
£1,584 GBP
View
Most Expensive
B
Adiamor
D-82835044 · Oct 31
$2,954 AUD
$2,075 USD
View
13 more retailers have this diamond
Prices start from $629 AUDSave up to $2,325 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
$629 AUD