CaratHunter
Plans
Princess|Lab Grown|IGI

1.25ct F VS1 Princess Lab Grown Diamond

EX • F/VS1

Diamond specifications and retailer prices

From £145 GBP
As of November 4, 2026
Save £591 GBP (80%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,068 GBP at Helzberg Diamonds · As of October 2, 2026
View at Helzberg Diamonds

About this 1.25ct lab-grown princess diamond

This 1.25ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 7 retailers as of November 4, 2026, with a 408% 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

1.25
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions5.86 × 5.81 × 4.23 mm
L/W Ratio1.01
Top View
5.86 mm5.81 mm1.25 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 69.0%CrownGirdle: MediumPavilionCulet: NoneDepth 72.8%

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 4
Current: £1,068 GBP|Low: £145 GBP|High: £1,068 GBP|Avg: £662 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 4, 2026
Retailer 2£145 GBP
Retailer 4£168 GBP
Retailer 5£264 GBP
Retailer 6£555 GBP
Retailer 3£636 GBP
Retailer 7£736 GBP
Helzberg Diamonds£1,068 GBP

7 data points across 7 retailers

7 retailers£145 GBP to £736 GBP

A
Cheapest Retailer
-
£145 GBP
A
Retailer 2
-
£168 GBP
View
A
Retailer 3
-
£264 GBP
View
B+
Retailer 4
-
£555 GBP
View
B
Retailer 5
-
£636 GBP
View
B
Retailer 6
-
£736 GBP
View
Most Expensive
Helzberg Diamonds
ZXZOJNMOHOPO · Oct 2
£1,068 GBP
$1,438 USD
View
Price last confirmed 34 days ago
6 more retailers have this diamond
Prices start from £145 GBPSave up to £591 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
1.25ct Princess
£145 GBP