Princess|Lab Grown|IGI

20.11ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG814610382

Shape and cutting style on the report: Rectangular princess cut

Certificate IGI LG814610382

Diamond specifications and retailer prices

From £10,720 GBP
$14,386 USD
As of November 1, 2026
Save £12,958 GBP (55%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £31,981 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 20.11ct lab-grown princess diamond

This 20.11ct 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 LG814610382 or 814610382. Listed at 9 retailers as of October 29, 2026, with a 121% 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

20.11
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.9°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814610382
Dimensions14.76 × 13.88 × 10.10 mm
L/W Ratio1.06
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.76 mm13.88 mm20.11 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814610382
Side View
Table 71.0%Crown 49.9°Girdle: ThickPavilion 35.6°Culet: NoneDepth 72.8%

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: Nov 1
Current: £23,462 GBP|Low: £10,720 GBP|High: £31,981 GBP|Avg: £17,983 GBP|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Taylor and Hart
November 1, 2026
Retailer 2£10,720 GBP
Retailer 6£11,095 GBP
Retailer 4£11,759 GBP
Retailer 5£12,848 GBP
Retailer 7£13,507 GBP
Retailer 8£21,544 GBP
Retailer 1£23,462 GBP
Retailer 3£23,678 GBP
Taylor and Hart£31,981 GBP

22 data points across 9 retailers

9 retailers£10,720 GBP to £23,678 GBP

B+
Cheapest Retailer
-
£10,720 GBP
$14,386 USD
B+
Retailer 2
-
£11,095 GBP
$14,889 USD
View
B+
Retailer 3
-
£11,759 GBP
$15,780 USD
View
B
Retailer 4
-
£12,848 GBP
$17,241 USD
View
B
Retailer 5
-
£13,507 GBP
$18,126 USD
View
Final sale: no returns
B
Retailer 6
-
£21,544 GBP
$28,911 USD
View
B
Retailer 7
-
£23,462 GBP
A$48,438 AUD
View
B
Retailer 8
-
£23,678 GBP
€30,262 EUR
View
Most Expensive
Taylor and Hart
M5D4CTP · Oct 31
£31,981 GBP
$42,916 USD
View
Price under review
8 more retailers have this diamond
Prices start from £10,720 GBPSave up to £12,958 GBP

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+
20.11ct Princess
£10,720 GBP