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Princess|Lab Grown|IGI

1.91ct F VS2 Princess Lab Grown Diamond

ID • F/VS2 • IGI LG508138491

Shape and cutting style on the report: Princess cut

Certificate IGI LG508138491

Diamond specifications and retailer prices

From £1,784 GBP
$2,390 USD
As of October 31, 2026
Save £556 GBP (24%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,459 GBP at Loose Grown Diamond · As of October 26, 2026
View at Loose Grown Diamond

About this 1.91ct lab-grown princess diamond

This 1.91ct lab-grown princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG508138491 or 508138491. Listed at 15 retailers as of October 31, 2026, with a 31% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508138491
Dimensions7.07 × 6.88 × 4.73 mm
L/W Ratio1.03
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.07 mm6.88 mm1.91 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508138491
Side View
Table 71.0%Crown 43.4°Girdle: MediumPavilion 38.1°Culet: NoneDepth 68.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £3,459 GBP|Low: £1,530 GBP|High: £6,024 GBP|Avg: £3,340 GBP|+0.5%
Loose Grown Diamond
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
November 1, 2026
Retailer 10£1,784 GBP
Retailer 9£1,914 GBP
Retailer 14£2,082 GBP
Retailer 3£2,143 GBP
Retailer 11£2,220 GBP
Retailer 5£2,340 GBP
Retailer 2£2,998 GBP
Retailer 13£3,052 GBP
Retailer 8£3,258 GBP
Loose Grown Diamond£3,459 GBP
Retailer 4£4,208 GBP
Retailer 6£5,875 GBP
Retailer 12£5,928 GBP
Retailer 7£5,977 GBP

44 data points across 14 retailers

15 retailers£1,784 GBP to £2,340 GBP

B
Cheapest Retailer
-
£1,784 GBP
$2,390 USD
B
Retailer 2
-
£1,914 GBP
$2,565 USD
View
B
Retailer 3
-
£2,082 GBP
$2,790 USD
View
B
Retailer 4
-
£2,143 GBP
$2,871 USD
View
Final sale: no returns
Retailer 5
-
£2,220 GBP
$2,975 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
£2,220 GBP
$2,975 USD
View
B
Retailer 7
-
£2,340 GBP
$3,135 USD
View
Retailer 8
-
£2,998 GBP
View
Price under review
Retailer 9
-
£3,052 GBP
$4,089 USD
View
Price under review
Retailer 10
-
£3,258 GBP
$4,366 USD
View
Price under review
Most Expensive
Loose Grown Diamond
508138491 · Oct 26
£3,459 GBP
$4,635 USD
View
Price under review
10 more retailers have this diamond
Prices start from £1,784 GBPSave up to £556 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
1.91ct Princess
£1,784 GBP