Princess|Lab Grown|IGI

20.21ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG779661404

Shape and cutting style on the report: Princess cut

Certificate IGI LG779661404

Diamond specifications and retailer prices

From HK$150,212 HKD
$19,145 USD
As of November 1, 2026
Save HK$152,760 HKD (50%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$444,264 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 20.21ct lab-grown princess diamond

This 20.21ct lab-grown princess sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG779661404 or 779661404. Listed at 10 retailers as of October 29, 2026, with a 102% 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

20.21
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779661404
Dimensions14.65 × 14.61 × 10.37 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.65 mm14.61 mm20.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779661404
Side View
Table 69.0%Crown 34.5°Girdle: Slightly ThickPavilion 36.3°Culet: NoneDepth 71.0%

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: Nov 1
Current: HK$187,770 HKD|Low: HK$111,600 HKD|High: HK$446,734 HKD|Avg: HK$231,171 HKD|+43.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
November 2, 2026
Retailer 4HK$111,600 HKD
Retailer 3HK$132,872 HKD
Retailer 5HK$152,584 HKD
Retailer 7HK$178,340 HKD
Retailer 9HK$187,182 HKD
Retailer 1HK$187,770 HKD
Retailer 12HK$211,993 HKD
Retailer 8HK$246,145 HKD
Retailer 10HK$260,409 HKD
Retailer 11HK$302,972 HKD
Retailer 2HK$320,823 HKD
Retailer 6HK$355,545 HKD
Taylor and HartHK$444,264 HKD

12 data points across 13 retailers

10 retailersHK$150,212 HKD to HK$302,972 HKD

B
Cheapest Retailer
-
HK$150,212 HKD
$19,145 USD
B+
Retailer 2
-
HK$152,584 HKD
£15,313 GBP
View
B
Retailer 3
-
HK$178,340 HKD
$22,730 USD
View
B
Retailer 4
-
HK$187,182 HKD
$23,857 USD
View
B
Retailer 5
-
HK$187,770 HKD
$23,932 USD
View
B
Retailer 6
-
HK$246,145 HKD
$31,372 USD
View
B
Retailer 7
-
HK$260,409 HKD
$33,190 USD
View
Final sale: no returns
B
Retailer 8
-
HK$302,972 HKD
€36,776 EUR
View
Retailer 9
-
HK$355,545 HKD
A$69,716 AUD
View
Price under review
Most Expensive
Taylor and Hart
I1FWVL2 · Oct 31
HK$444,264 HKD
$56,623 USD
View
Price under review
9 more retailers have this diamond
Prices start from HK$150,212 HKDSave up to HK$152,760 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+
20.21ct Princess
HK$150,212 HKD