CaratHunter
Plans
Princess|Lab Grown|IGI

1.51ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG620436248

Shape and cutting style on the report: Princess cut

Certificate IGI LG620436248

Diamond specifications and retailer prices

From £168 GBP
As of November 4, 2026
Save £724 GBP (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £893 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620436248 or 620436248. Listed at 22 retailers as of November 4, 2026, with prices from £168 to £893, a £724 spread on the same certified stone. Reve Diamonds lists it at £893. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620436248
Dimensions6.25 × 6.19 × 4.42 mm
L/W Ratio1.01
Culet sizePointed
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
6.25 mm6.19 mm1.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620436248
Side View
Table 66.0%Crown 40.9°Girdle: MediumPavilion 38.2°Culet: NoneDepth 71.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £340 GBP|Low: £168 GBP|High: £909 GBP|Avg: £500 GBP|-2.8%
Retailer 1
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
Retailer 15
Retailer 16
Reve Diamonds
November 5, 2026
Retailer 5£168 GBP
Retailer 16£187 GBP
Retailer 10£218 GBP
Retailer 3£252 GBP
Retailer 2£265 GBP
Retailer 12£322 GBP
Retailer 1£340 GBP
Retailer 4£352 GBP
Retailer 15£352 GBP
Retailer 11£436 GBP
Retailer 14£453 GBP
Retailer 6£640 GBP
Retailer 13£733 GBP
Retailer 7£761 GBP
Retailer 9£872 GBP
Retailer 8£881 GBP
Reve Diamonds£893 GBP

33 data points across 17 retailers

22 retailers£168 GBP to £893 GBP

Retailer 1
-
£159 GBP
Price last confirmed 44 days ago
A
Retailer 2
-
£168 GBP
View
Final sale: no returns
Retailer 3
-
£184 GBP
View
Price last confirmed 43 days ago
Retailer 4
-
£187 GBP
View
Price last confirmed 11 days ago
Retailer 5
-
£195 GBP
View
Price last confirmed 43 days ago
A
Retailer 6
-
£218 GBP
View
B+
Retailer 7
-
£252 GBP
View
A
Retailer 8
-
£265 GBP
View
A
Retailer 9
-
£322 GBP
View
A
Retailer 10
-
£340 GBP
View
A
Retailer 11
-
£352 GBP
View
A
Retailer 12
-
£352 GBP
View
A
Retailer 13
-
£436 GBP
View
B+
Retailer 14
-
£453 GBP
View
B+
Retailer 15
-
£603 GBP
View
B+
Retailer 16
-
£640 GBP
View
B
Retailer 17
-
£733 GBP
View
B
Retailer 18
-
£761 GBP
View
B
Retailer 19
-
£784 GBP
View
B
Retailer 20
-
£872 GBP
View
B
Retailer 21
-
£881 GBP
View
Most Expensive
B
Reve Diamonds
2029D0FA2 · Nov 4
£893 GBP
$1,205 USD
View
21 more retailers have this diamond
Prices start from £168 GBPSave up to £724 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
1.51ct Princess
£168 GBP