CaratHunter
Plans
Round|Lab Grown|IGI

0.51ct G VVS1 Round Lab Grown Diamond

ID • G/VVS1 • IGI LG829617932

Shape and cutting style on the report: Round brilliant

Certificate IGI LG829617932

Diamond specifications and retailer prices

From £124 GBP
HK$1,300 HKD
As of November 1, 2026
Save £252 GBP (67%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £864 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round sits in the half to three-quarter carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG829617932 or 829617932. Listed at 9 retailers as of October 31, 2026, with a 203% 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829617932
Dimensions5.09 × 5.13 × 3.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.09 mm5.13 mm0.51 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG829617932
Side View
Table 58.0%Crown 33.9°Girdle: MediumPavilion 41.5°Culet: NoneDepth 62.3%

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 1
Current: £864 GBP|Low: £124 GBP|High: £874 GBP|Avg: £305 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9£124 GBP
Retailer 7£142 GBP
Retailer 2£190 GBP
Retailer 3£208 GBP
Retailer 4£235 GBP
Retailer 5£274 GBP
Retailer 6£300 GBP
Retailer 8£376 GBP
MOH London£864 GBP

42 data points across 9 retailers

9 retailers£124 GBP to £376 GBP

A
Cheapest Retailer
-
£124 GBP
HK$1,300 HKD
A
Retailer 2
-
£142 GBP
$190 USD
View
B+
Retailer 3
-
£190 GBP
€243 EUR
View
B+
Retailer 4
-
£208 GBP
View
B+
Retailer 5
-
£235 GBP
$315 USD
View
B+
Retailer 6
-
£274 GBP
$368 USD
View
B
Retailer 7
-
£306 GBP
$410 USD
View
B
Retailer 8
-
£376 GBP
$504 USD
View
Most Expensive
MOH London
LG829617932 · Nov 2
£864 GBP
View
Price under review
8 more retailers have this diamond
Prices start from £124 GBPSave up to £252 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
0.51ct Round
£124 GBP