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Round|Lab Grown|IGI

0.51ct I VS2 Round Lab Grown Diamond

EX • I/VS2 • IGI LG451055357

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451055357

Diamond specifications and retailer prices

From £228 GBP
$305 USD
As of November 1, 2026
Save £911 GBP (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,138 GBP at MOH London · As of October 29, 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 I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG451055357 or 451055357. Listed at 11 retailers as of October 29, 2026, with prices from £228 to £1,138, a £911 spread on the same certified stone. MOH London lists it at £1,138. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
I
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055357
Dimensions5.16 × 5.21 × 3.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
5.16 mm5.21 mm0.51 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055357
Side View
Table 58.0%Crown 32.4°Girdle: MediumPavilion 41.4°Culet: NoneDepth 61.3%

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: £1,138 GBP|Low: £219 GBP|High: £1,146 GBP|Avg: £521 GBP|+0.6%
MOH London
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
October 29, 2026
Retailer 9£228 GBP
Retailer 10£246 GBP
Retailer 15£255 GBP
Retailer 3£264 GBP
Retailer 11£282 GBP
Retailer 13£282 GBP
Retailer 5£399 GBP
Retailer 4£405 GBP
Retailer 12£460 GBP
Retailer 2£520 GBP
Retailer 6£555 GBP
Retailer 8£868 GBP
Retailer 14£908 GBP
Retailer 7£1,136 GBP
MOH London£1,138 GBP

22 data points across 15 retailers

11 retailers£228 GBP to £1,138 GBP

A
Cheapest Retailer
-
£228 GBP
$305 USD
A
Retailer 2
-
£246 GBP
$330 USD
View
A
Retailer 3
-
£255 GBP
$342 USD
View
Final sale: no returns
A
Retailer 4
-
£264 GBP
$354 USD
View
A
Retailer 5
-
£282 GBP
$378 USD
View
Retailer 6
-
£282 GBP
$378 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
£460 GBP
$617 USD
View
B+
Retailer 8
-
£520 GBP
€664 EUR
View
B
Retailer 9
-
£868 GBP
$1,163 USD
View
B
Retailer 10
-
£908 GBP
$1,217 USD
View
Most Expensive
B
MOH London
LG451055357 · Oct 29
£1,138 GBP
View
10 more retailers have this diamond
Prices start from £228 GBPSave up to £911 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
£228 GBP