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Round|Lab Grown|IGI

0.31ct G VVS1 Round Lab Grown Diamond

ID • G/VVS1 • IGI LG459129292

Shape and cutting style on the report: Round brilliant

Certificate IGI LG459129292

Diamond specifications and retailer prices

From £154 GBP
$207 USD
As of October 29, 2026
Save £461 GBP (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £772 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.31ct lab-grown round diamond

This 0.31ct lab-grown round sits in the sub-half-carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG459129292 or 459129292. Listed at 11 retailers as of October 29, 2026, with a 299% 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

0.31
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459129292
Dimensions4.36 × 4.34 × 2.68 mm
L/W Ratio1.00
Girdle conditionFaceted
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
4.36 mm4.34 mm0.31 ctG / VVS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG459129292
Side View
Table 55.0%Crown 36°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 61.6%

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: Oct 29
Current: £772 GBP|Low: £149 GBP|High: £777 GBP|Avg: £316 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 5£154 GBP
Retailer 6£172 GBP
Retailer 9£179 GBP
Retailer 7£192 GBP
Retailer 8£331 GBP
Retailer 4£346 GBP
Retailer 3£352 GBP
Retailer 2£375 GBP
MOH London£772 GBP

44 data points across 9 retailers

11 retailers£154 GBP to £616 GBP

B+
Cheapest Retailer
-
£154 GBP
$207 USD
B+
Retailer 2
-
£172 GBP
$230 USD
View
B+
Retailer 3
-
£179 GBP
$240 USD
View
B+
Retailer 4
-
£192 GBP
$257 USD
View
B+
Retailer 5
-
£192 GBP
$257 USD
View
B
Retailer 6
-
£331 GBP
$444 USD
View
B
Retailer 7
-
£346 GBP
ZAR 7,500 ZAR
View
B
Retailer 8
-
£352 GBP
View
B
Retailer 9
-
£375 GBP
€478 EUR
View
B
Retailer 10
-
£616 GBP
$825 USD
View
Most Expensive
MOH London
LG459129292 · Oct 29
£772 GBP
View
Price under review
10 more retailers have this diamond
Prices start from £154 GBPSave up to £461 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+
0.31ct Round
£154 GBP