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Princess|Lab Grown|IGI

0.51ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG512204028

Shape and cutting style on the report: Princess cut

Certificate IGI LG512204028

Diamond specifications and retailer prices

From £230 GBP
As of November 4, 2026
Save £381 GBP (62%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,316 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.51ct lab-grown princess diamond

This 0.51ct lab-grown princess sits in the half to three-quarter carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512204028 or 512204028. Listed at 13 retailers as of November 2, 2026, with a 166% 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

0.51
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle41.1°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512204028
Dimensions4.32 × 4.23 × 3.15 mm
L/W Ratio1.02
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
4.32 mm4.23 mm0.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG512204028
Side View
Table 68.0%Crown 41.1°Girdle: Slightly ThickPavilion 38.5°Culet: NoneDepth 74.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,316 GBP|Low: £230 GBP|High: £1,332 GBP|Avg: £583 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 7£230 GBP
Retailer 9£272 GBP
Retailer 4£315 GBP
Retailer 3£337 GBP
Retailer 10£337 GBP
Retailer 11£538 GBP
Retailer 2£602 GBP
Retailer 5£602 GBP
Retailer 6£611 GBP
Retailer 8£988 GBP
Retailer 12£1,083 GBP
MOH London£1,316 GBP

45 data points across 12 retailers

13 retailers£230 GBP to £611 GBP

B+
Cheapest Retailer
-
£230 GBP
B+
Retailer 2
-
£272 GBP
View
B
Retailer 3
-
£315 GBP
View
Retailer 4
-
£337 GBP
View
Price last confirmed 11 days ago
B
Retailer 5
-
£337 GBP
View
B
Retailer 6
-
£538 GBP
View
B
Retailer 7
-
£602 GBP
View
B
Retailer 8
-
£602 GBP
View
B
Retailer 9
-
£611 GBP
View
Retailer 10
-
£988 GBP
View
Price under review
Retailer 11
-
£1,083 GBP
View
Price under review
Retailer 12
-
£1,309 GBP
View
Price under review
Most Expensive
MOH London
LG512204028 · Nov 1
£1,316 GBP
View
Price under review
12 more retailers have this diamond
Prices start from £230 GBPSave up to £381 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.

B+
0.51ct Princess
£230 GBP