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Princess|Lab Grown|IGI

1.55ct F VS1 Princess Lab Grown Diamond

EX • F/VS1 • IGI LG746517538

Shape and cutting style on the report: Princess cut

Certificate IGI LG746517538

Diamond specifications and retailer prices

From £168 GBP
As of November 2, 2026
Save £884 GBP (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,052 GBP at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

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 LG746517538 or 746517538. Listed at 20 retailers as of November 2, 2026, with prices from £168 to £1,052, a £884 spread on the same certified stone. Brilliant Earth lists it at £1,052. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.5°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG746517538
Dimensions6.15 × 6.13 × 4.55 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
6.15 mm6.13 mm1.55 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG746517538
Side View
Table 73.0%Crown 46.5°Girdle: Slightly ThickPavilion 38.5°Culet: NoneDepth 74.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £1,052 GBP|Low: £168 GBP|High: £1,052 GBP|Avg: £502 GBP
Brilliant Earth
Retailer 2
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November 3, 2026
Retailer 18£168 GBP
Retailer 6£188 GBP
Retailer 4£195 GBP
Retailer 9£208 GBP
Retailer 21£208 GBP
Retailer 17£243 GBP
Retailer 5£350 GBP
Retailer 14£355 GBP
Retailer 19£359 GBP
Retailer 2£389 GBP
Retailer 7£398 GBP
Retailer 12£453 GBP
Retailer 13£487 GBP
Retailer 16£550 GBP
Retailer 10£634 GBP
Retailer 3£670 GBP
Retailer 11£709 GBP
Retailer 8£722 GBP
Retailer 20£835 GBP
Retailer 15£848 GBP
Brilliant Earth£1,052 GBP

30 data points across 21 retailers

20 retailers£168 GBP to £1,052 GBP

A
Cheapest Retailer
-
£168 GBP
A
Retailer 2
-
£195 GBP
View
Retailer 3
-
£208 GBP
View
Price last confirmed 11 days ago
A
Retailer 4
-
£208 GBP
View
A
Retailer 5
-
£243 GBP
View
A
Retailer 6
-
£350 GBP
View
A
Retailer 7
-
£355 GBP
View
A
Retailer 8
-
£359 GBP
View
A
Retailer 9
-
£389 GBP
View
A
Retailer 10
-
£398 GBP
View
B+
Retailer 11
-
£453 GBP
View
B+
Retailer 12
-
£487 GBP
View
B+
Retailer 13
-
£550 GBP
View
B+
Retailer 14
-
£634 GBP
View
B+
Retailer 15
-
£670 GBP
View
B+
Retailer 16
-
£709 GBP
View
Retailer 17
-
£722 GBP
View
Price last confirmed 18 days ago
B
Retailer 18
-
£835 GBP
View
B
Retailer 19
-
£848 GBP
View
Most Expensive
B
Brilliant Earth
22467474A · Nov 3
£1,052 GBP
$1,420 USD
View
19 more retailers have this diamond
Prices start from £168 GBPSave up to £884 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
£168 GBP