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Princess|Lab Grown|IGI

4.09ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG787665112

Shape and cutting style on the report: Princess cut

Certificate IGI LG787665112

Diamond specifications and retailer prices

From HK$4,100 HKD
£412 GBP
As of October 30, 2026
Save HK$36,697 HKD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$40,798 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.09ct lab-grown princess diamond

This 4.09ct lab-grown princess sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG787665112 or 787665112. Listed at 18 retailers as of October 30, 2026, with prices from HK$4,100 to HK$40,798, a HK$36,697 spread on the same certified stone. Brilliant Earth lists it at HK$40,798. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.09
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787665112
Dimensions8.70 × 8.67 × 6.25 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.70 mm8.67 mm4.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787665112
Side View
Table 71.0%Crown 42.8°Girdle: MediumPavilion 38.9°Culet: NoneDepth 72.1%

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$40,798 HKD|Low: HK$4,100 HKD|High: HK$58,450 HKD|Avg: HK$15,853 HKD|-30.2%
Brilliant Earth
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
October 31, 2026
Retailer 12HK$4,100 HKD
Retailer 6HK$4,425 HKD
Retailer 8HK$5,323 HKD
Retailer 3HK$5,963 HKD
Retailer 17HK$6,575 HKD
Retailer 14HK$7,480 HKD
Retailer 10HK$8,153 HKD
Retailer 16HK$9,745 HKD
Retailer 13HK$9,812 HKD
Retailer 4HK$12,357 HKD
Retailer 11HK$12,639 HKD
Retailer 7HK$15,513 HKD
Retailer 9HK$15,946 HKD
Retailer 5HK$17,104 HKD
Retailer 15HK$20,556 HKD
Retailer 2HK$20,588 HKD
Brilliant EarthHK$40,798 HKD

41 data points across 17 retailers

18 retailersHK$4,100 HKD to HK$40,798 HKD

A
Cheapest Retailer
-
HK$4,100 HKD
£412 GBP
A
Retailer 2
-
HK$4,425 HKD
$564 USD
View
A
Retailer 3
-
HK$5,323 HKD
View
A
Retailer 4
-
HK$5,963 HKD
$760 USD
View
B+
Retailer 5
-
HK$6,575 HKD
$838 USD
View
A
Retailer 6
-
HK$7,480 HKD
€908 EUR
View
A
Retailer 7
-
HK$8,153 HKD
£818 GBP
View
A
Retailer 8
-
HK$9,745 HKD
ZAR 20,066 ZAR
View
A
Retailer 9
-
HK$9,812 HKD
A$1,924 AUD
View
B+
Retailer 10
-
HK$12,357 HKD
$1,575 USD
View
B+
Retailer 11
-
HK$12,639 HKD
$1,611 USD
View
B+
Retailer 12
-
HK$15,513 HKD
SGD 2,672 SGD
View
B+
Retailer 13
-
HK$15,946 HKD
$2,032 USD
View
B+
Retailer 14
-
HK$17,104 HKD
$2,180 USD
View
B+
Retailer 15
-
HK$20,556 HKD
£2,063 GBP
View
B+
Retailer 16
-
HK$20,588 HKD
A$4,037 AUD
View
Retailer 17
-
HK$22,521 HKD
$2,870 USD
View
Price last confirmed 77 days ago
Most Expensive
B
Brilliant Earth
22315822A · Oct 31
HK$40,798 HKD
$5,200 USD
View
17 more retailers have this diamond
Prices start from HK$4,100 HKDSave up to HK$36,697 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
4.09ct Princess
HK$4,100 HKD