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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 $437 AUD
As of November 3, 2026
Save $1,747 AUD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,184 AUD 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 $437 to $2,184, a $1,747 spread on the same certified stone. MOH London lists it at $2,184. 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 3
Current: $2,184 AUD|Low: $420 AUD|High: $2,199 AUD|Avg: $1,010 AUD|+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$437 AUD
Retailer 10$473 AUD
Retailer 15$490 AUD
Retailer 3$507 AUD
Retailer 11$541 AUD
Retailer 13$541 AUD
Retailer 5$766 AUD
Retailer 4$776 AUD
Retailer 12$883 AUD
Retailer 2$998 AUD
Retailer 6$1,065 AUD
Retailer 8$1,665 AUD
Retailer 14$1,743 AUD
Retailer 7$2,178 AUD
MOH London$2,184 AUD

20 data points across 15 retailers

11 retailers$437 AUD to $2,184 AUD

A
Cheapest Retailer
-
$437 AUD
A
Retailer 2
-
$473 AUD
View
A
Retailer 3
-
$490 AUD
View
Final sale: no returns
A
Retailer 4
-
$507 AUD
View
A
Retailer 5
-
$541 AUD
View
Retailer 6
-
$541 AUD
View
Price last confirmed 10 days ago
B+
Retailer 7
-
$883 AUD
View
B+
Retailer 8
-
$998 AUD
View
B
Retailer 9
-
$1,665 AUD
View
B
Retailer 10
-
$1,743 AUD
View
Most Expensive
B
MOH London
LG451055357 · Oct 29
$2,184 AUD
£1,201 GBP
View
10 more retailers have this diamond
Prices start from $437 AUDSave up to $1,747 AUD

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
$437 AUD