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Princess|Lab Grown|IGI

1.51ct G VVS1 Princess Lab Grown Diamond

ID • G/VVS1 • IGI LG639434239

Shape and cutting style on the report: Princess cut

Certificate IGI LG639434239

Diamond specifications and retailer prices

From £170 GBP
As of November 4, 2026
Save £907 GBP (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,077 GBP at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG639434239 or 639434239. Listed at 20 retailers as of November 4, 2026, with prices from £170 to £1,077, a £907 spread on the same certified stone. Brilliant Earth lists it at £1,077. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle41.6°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639434239
Dimensions6.24 × 6.24 × 4.51 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
6.24 mm6.24 mm1.51 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG639434239
Side View
Table 69.0%Crown 41.6°Girdle: MediumPavilion 39°Culet: NoneDepth 72.3%

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: £1,077 GBP|Low: £160 GBP|High: £1,493 GBP|Avg: £497 GBP|-27.9%
Brilliant Earth
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
Retailer 17
November 5, 2026
Retailer 5£170 GBP
Retailer 6£190 GBP
Retailer 15£197 GBP
Retailer 7£210 GBP
Retailer 17£211 GBP
Retailer 9£290 GBP
Retailer 14£345 GBP
Retailer 12£363 GBP
Retailer 16£377 GBP
Retailer 2£389 GBP
Retailer 4£677 GBP
Retailer 11£680 GBP
Retailer 8£715 GBP
Retailer 10£841 GBP
Retailer 3£857 GBP
Retailer 13£932 GBP
Brilliant Earth£1,077 GBP

45 data points across 17 retailers

20 retailers£170 GBP to £1,077 GBP

A
Cheapest Retailer
-
£170 GBP
A
Retailer 2
-
£190 GBP
View
Final sale: no returns
A
Retailer 3
-
£197 GBP
View
A
Retailer 4
-
£210 GBP
View
Retailer 5
-
£211 GBP
View
Price last confirmed 11 days ago
B+
Retailer 6
-
£290 GBP
View
Retailer 7
-
£345 GBP
View
Price last confirmed 7 days ago
A
Retailer 8
-
£363 GBP
View
A
Retailer 9
-
£377 GBP
View
A
Retailer 10
-
£389 GBP
View
B+
Retailer 11
-
£573 GBP
View
B+
Retailer 12
-
£677 GBP
View
B+
Retailer 13
-
£680 GBP
View
B
Retailer 14
-
£715 GBP
View
B
Retailer 15
-
£775 GBP
View
B
Retailer 16
-
£841 GBP
View
B
Retailer 17
-
£857 GBP
View
B
Retailer 18
-
£932 GBP
View
B
Retailer 19
-
£1,070 GBP
View
Most Expensive
B
Brilliant Earth
16910880A · Nov 5
£1,077 GBP
$1,450 USD
View
19 more retailers have this diamond
Prices start from £170 GBPSave up to £907 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
£170 GBP