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Princess|Lab Grown|IGI

4.09ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG766686405

Shape and cutting style on the report: Princess cut

Certificate IGI LG766686405

Diamond specifications and retailer prices

From HK$14,591 HKD
CA$2,583 CAD
As of October 30, 2026
Save HK$6,459 HKD (31%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$21,092 HKD at Novita Diamonds · As of July 4, 2026
View at Novita Diamonds

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 LG766686405 or 766686405. Listed at 3 retailers as of October 30, 2026, with a 44% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle38.6°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766686405
Dimensions8.96 × 8.84 mm
L/W Ratio1.01
Culet sizePointed
Top View
8.96 mm8.84 mm4.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766686405
Side View
Table 69.0%Crown 38.6°Girdle: MediumPavilion 37.7°Culet: NoneDepth 67.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$21,092 HKD|Low: HK$5,649 HKD|High: HK$38,023 HKD|Avg: HK$16,188 HKD|+12.6%
Novita Diamonds
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
August 3, 2026
Retailer 13HK$5,649 HKD
Retailer 7HK$7,488 HKD
Retailer 10HK$8,349 HKD
Retailer 15HK$8,779 HKD
Retailer 4HK$10,152 HKD
Retailer 3HK$11,368 HKD
Retailer 8HK$12,224 HKD
Retailer 11HK$14,591 HKD
Retailer 14HK$17,184 HKD
Retailer 5HK$19,104 HKD
Retailer 2HK$21,050 HKD
Novita DiamondsHK$21,092 HKD
Retailer 6HK$29,787 HKD
Retailer 12HK$32,403 HKD
Retailer 9HK$34,569 HKD

57 data points across 15 retailers

3 retailersHK$14,591 HKD to HK$21,050 HKD

B+
Cheapest Retailer
-
HK$14,591 HKD
CA$2,583 CAD
B
Retailer 2
-
HK$21,050 HKD
$2,683 USD
View
Most Expensive
Novita Diamonds
cert_766686405 · Jul 4
HK$21,092 HKD
A$4,136 AUD
View
Price last confirmed 121 days ago
2 more retailers have this diamond
Prices start from HK$14,591 HKDSave up to HK$6,459 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.

B+
4.09ct Princess
HK$14,591 HKD