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Princess|Lab Grown|IGI

0.51ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG815611682

Shape and cutting style on the report: Princess cut

Certificate IGI LG815611682

Diamond specifications and retailer prices

From £193 GBP
As of November 1, 2026
Save £677 GBP (78%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £869 GBP at MOH London · As of October 29, 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 LG815611682 or 815611682. Listed at 6 retailers as of October 29, 2026, with prices from £193 to £869, a £677 spread on the same certified stone. MOH London lists it at £869. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815611682
Dimensions4.43 × 4.34 × 3.20 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.43 mm4.34 mm0.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815611682
Side View
Table 70.0%Crown 36.9°Girdle: MED-STKPavilion 40.4°CuletDepth 73.7%

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 1
Current: £869 GBP|Low: £185 GBP|High: £874 GBP|Avg: £341 GBP|+0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 4£193 GBP
Retailer 6£204 GBP
Retailer 2£207 GBP
Retailer 3£250 GBP
Retailer 5£375 GBP
MOH London£869 GBP

32 data points across 6 retailers

6 retailers£193 GBP to £869 GBP

B+
Cheapest Retailer
-
£193 GBP
B+
Retailer 2
-
£204 GBP
View
B+
Retailer 3
-
£207 GBP
View
B+
Retailer 4
-
£250 GBP
View
B
Retailer 5
-
£375 GBP
View
Most Expensive
B
MOH London
LG815611682 · Oct 29
£869 GBP
View
5 more retailers have this diamond
Prices start from £193 GBPSave up to £677 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
£193 GBP