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 €273 EUR
$305 USD
As of November 1, 2026
Save €1,092 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,365 EUR 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 €273 to €1,365, a €1,092 spread on the same certified stone. MOH London lists it at €1,365. 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
Color
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: €1,365 EUR|Low: €262 EUR|High: €1,374 EUR|Avg: €625 EUR|+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€273 EUR
Retailer 10€295 EUR
Retailer 15€306 EUR
Retailer 3€317 EUR
Retailer 11€338 EUR
Retailer 13€338 EUR
Retailer 5€479 EUR
Retailer 4€485 EUR
Retailer 12€552 EUR
Retailer 2€624 EUR
Retailer 6€666 EUR
Retailer 8€1,041 EUR
Retailer 14€1,089 EUR
Retailer 7€1,362 EUR
MOH London€1,365 EUR

22 data points across 15 retailers

11 retailers€273 EUR to €1,365 EUR

A
Cheapest Retailer
-
€273 EUR
$305 USD
A
Retailer 2
-
€295 EUR
$330 USD
View
A
Retailer 3
-
€306 EUR
$342 USD
View
Final sale: no returns
A
Retailer 4
-
€317 EUR
$354 USD
View
A
Retailer 5
-
€338 EUR
$378 USD
View
A
Retailer 6
-
€338 EUR
$378 USD
View
B+
Retailer 7
-
€552 EUR
$617 USD
View
B+
Retailer 8
-
€624 EUR
View
B
Retailer 9
-
€1,041 EUR
$1,163 USD
View
B
Retailer 10
-
€1,089 EUR
$1,217 USD
View
Most Expensive
B
MOH London
LG451055357 · Oct 29
€1,365 EUR
£1,201 GBP
View
10 more retailers have this diamond
Prices start from €273 EURSave up to €1,092 EUR

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
€273 EUR