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 $442 USD
As of October 30, 2026
Save $1,633 USD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,075 USD at Adiamor · As of October 30, 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 12 retailers as of October 30, 2026, with prices from $442 to $2,075, a $1,633 spread on the same certified stone. Adiamor lists it at $2,075. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,075 USD|Low: $442 USD|High: $7,030 USD|Avg: $2,020 USD|+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
October 30, 2026
Retailer 5$442 USD
Retailer 4$495 USD
Retailer 2$510 USD
Retailer 10$548 USD
Retailer 14$602 USD
Retailer 11$690 USD
Retailer 3$859 USD
Retailer 13$892 USD
Retailer 9$905 USD
Retailer 6$1,327 USD
Retailer 15$1,760 USD
Retailer 12$2,022 USD
Adiamor$2,075 USD
Retailer 16$2,985 USD
Retailer 7$5,577 USD
Retailer 8$7,030 USD

4 data points across 16 retailers

12 retailers$442 USD to $2,075 USD

A
Cheapest Retailer
-
$442 USD
A
Retailer 2
-
$495 USD
View
A
Retailer 3
-
$510 USD
£402 GBP
View
A
Retailer 4
-
$548 USD
View
A
Retailer 5
-
$602 USD
HK$4,700 HKD
View
A
Retailer 6
-
$690 USD
View
B+
Retailer 7
-
$859 USD
View
A
Retailer 8
-
$892 USD
View
A
Retailer 9
-
$905 USD
£712 GBP
View
B+
Retailer 10
-
$1,760 USD
View
B+
Retailer 11
-
$2,022 USD
£1,592 GBP
View
Most Expensive
B+
Adiamor
D-82835044 · Oct 30
$2,075 USD
View
11 more retailers have this diamond
Prices start from $442 USDSave up to $1,633 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
$442 USD