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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 $305 USD
As of October 29, 2026
Save $1,220 USD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,525 USD 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 $305 to $1,525, a $1,220 spread on the same certified stone. MOH London lists it at $1,525. 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: Oct 29
Current: $1,525 USD|Low: $293 USD|High: $1,535 USD|Avg: $699 USD|+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$305 USD
Retailer 10$330 USD
Retailer 15$342 USD
Retailer 3$354 USD
Retailer 11$378 USD
Retailer 13$378 USD
Retailer 5$535 USD
Retailer 4$542 USD
Retailer 12$617 USD
Retailer 2$697 USD
Retailer 6$744 USD
Retailer 8$1,163 USD
Retailer 14$1,217 USD
Retailer 7$1,521 USD
MOH London$1,525 USD

22 data points across 15 retailers

11 retailers$305 USD to $1,525 USD

A
Cheapest Retailer
-
$305 USD
A
Retailer 2
-
$330 USD
View
A
Retailer 3
-
$342 USD
View
Final sale: no returns
A
Retailer 4
-
$354 USD
View
A
Retailer 5
-
$378 USD
View
A
Retailer 6
-
$378 USD
View
B+
Retailer 7
-
$617 USD
View
B+
Retailer 8
-
$697 USD
€664 EUR
View
B
Retailer 9
-
$1,163 USD
View
B
Retailer 10
-
$1,217 USD
View
Most Expensive
B
MOH London
LG451055357 · Oct 29
$1,525 USD
£1,201 GBP
View
10 more retailers have this diamond
Prices start from $305 USDSave up to $1,220 USD

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
$305 USD