Princess|Lab Grown|IGI

1.55ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG843641498

Shape and cutting style on the report: Princess cut

Certificate IGI LG843641498

Diamond specifications and retailer prices

From £270 GBP
As of November 4, 2026
Save £581 GBP (68%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £926 GBP at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.55ct lab-grown princess diamond

This 1.55ct lab-grown princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843641498 or 843641498. Listed at 20 retailers as of November 2, 2026, with a 215% 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

1.55
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843641498
Dimensions6.40 × 6.35 × 4.35 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.40 mm6.35 mm1.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843641498
Side View
Table 75.0%Crown 43.6°Girdle: MediumPavilion 37.7°Culet: NoneDepth 68.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £490 GBP|Low: £161 GBP|High: £1,307 GBP|Avg: £535 GBP|-49.8%
Retailer 1
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Retailer 21
Reve Diamonds
October 31, 2026
Retailer 4£161 GBP
Retailer 6£181 GBP
Retailer 21£187 GBP
Retailer 9£200 GBP
Retailer 18£234 GBP
Retailer 11£270 GBP
Retailer 15£331 GBP
Retailer 3£338 GBP
Retailer 16£369 GBP
Retailer 12£404 GBP
Retailer 2£444 GBP
Retailer 14£459 GBP
Retailer 17£466 GBP
Retailer 1£490 GBP
Retailer 8£642 GBP
Retailer 7£681 GBP
Retailer 19£693 GBP
Retailer 5£715 GBP
Retailer 10£719 GBP
Retailer 20£801 GBP
Retailer 13£852 GBP
Reve Diamonds£926 GBP

14 data points across 22 retailers

20 retailers£270 GBP to £852 GBP

Retailer 1
-
£161 GBP
Price last confirmed 9 days ago
Retailer 2
-
£187 GBP
View
Price last confirmed 12 days ago
Retailer 3
-
£200 GBP
View
Price last confirmed 11 days ago
Retailer 4
-
£234 GBP
View
Price last confirmed 9 days ago
B+
Retailer 5
-
£270 GBP
View
A
Retailer 6
-
£331 GBP
View
Retailer 7
-
£338 GBP
View
Price last confirmed 13 days ago
Retailer 8
-
£369 GBP
View
Price last confirmed 8 days ago
A
Retailer 9
-
£404 GBP
View
Retailer 10
-
£444 GBP
View
Price last confirmed 10 days ago
Retailer 11
-
£466 GBP
View
Price last confirmed 9 days ago
B+
Retailer 12
-
£490 GBP
View
Retailer 13
-
£642 GBP
View
Price last confirmed 11 days ago
Retailer 14
-
£681 GBP
View
Price last confirmed 9 days ago
Retailer 15
-
£693 GBP
View
Price last confirmed 11 days ago
B
Retailer 16
-
£715 GBP
View
B+
Retailer 17
-
£719 GBP
View
Retailer 18
-
£801 GBP
View
Price last confirmed 10 days ago
B
Retailer 19
-
£852 GBP
View
Most Expensive
Reve Diamonds
AB820DC45 · Oct 25
£926 GBP
$1,250 USD
View
Price last confirmed 10 days ago
19 more retailers have this diamond
Prices start from £270 GBPSave up to £581 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.

A
1.55ct Princess
£270 GBP