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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 HK$3,468 HKD
$442 USD
As of October 30, 2026
Save HK$12,812 HKD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$16,280 HKD 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 HK$3,468 to HK$16,280, a HK$12,812 spread on the same certified stone. Adiamor lists it at HK$16,280. 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: HK$16,280 HKD|Low: HK$3,468 HKD|High: HK$55,155 HKD|Avg: HK$15,013 HKD|+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 7HK$3,468 HKD
Retailer 6HK$3,884 HKD
Retailer 10HK$3,993 HKD
Retailer 14HK$4,299 HKD
Retailer 17HK$4,720 HKD
Retailer 15HK$5,414 HKD
Retailer 5HK$6,739 HKD
Retailer 12HK$6,772 HKD
Retailer 16HK$6,998 HKD
Retailer 11HK$7,100 HKD
Retailer 13HK$11,549 HKD
Retailer 3HK$13,808 HKD
Retailer 2HK$15,783 HKD
AdiamorHK$16,280 HKD
Retailer 4HK$23,419 HKD
Retailer 8HK$43,757 HKD
Retailer 9HK$55,155 HKD

6 data points across 17 retailers

15 retailersHK$3,468 HKD to HK$16,280 HKD

A
Cheapest Retailer
-
HK$3,468 HKD
$442 USD
A
Retailer 2
-
HK$3,884 HKD
$495 USD
View
A
Retailer 3
-
HK$3,993 HKD
£401 GBP
View
A
Retailer 4
-
HK$4,299 HKD
$548 USD
View
A
Retailer 5
-
HK$4,720 HKD
View
A
Retailer 6
-
HK$5,414 HKD
$690 USD
View
B+
Retailer 7
-
HK$6,739 HKD
$859 USD
View
A
Retailer 8
-
HK$6,772 HKD
€822 EUR
View
A
Retailer 9
-
HK$6,998 HKD
$892 USD
View
A
Retailer 10
-
HK$7,100 HKD
£713 GBP
View
B+
Retailer 11
-
HK$11,549 HKD
$1,472 USD
View
B
Retailer 12
-
HK$13,808 HKD
$1,760 USD
View
B+
Retailer 13
-
HK$15,783 HKD
£1,584 GBP
View
Most Expensive
B
Adiamor
D-82835044 · Oct 31
HK$16,280 HKD
$2,075 USD
View
13 more retailers have this diamond
Prices start from HK$3,468 HKDSave up to HK$12,812 HKD

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
HK$3,468 HKD