CaratHunter
Plans
Round|Lab Grown|IGI

0.51ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG844659030

Shape and cutting style on the report: Round brilliant

Certificate IGI LG844659030

Diamond specifications and retailer prices

From $292 AUD
As of November 1, 2026
Save $923 AUD (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,215 AUD at MOH London · As of November 2, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844659030 or 844659030. Listed at 6 retailers as of November 1, 2026, with prices from $292 to $1,215, a $923 spread on the same certified stone. MOH London lists it at $1,215. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844659030
Dimensions5.19 × 5.14 × 3.17 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.19 mm5.14 mm0.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844659030
Side View
Table 57.0%Crown 34.3°Girdle: MediumPavilion 41.1°CuletDepth 61.5%

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: $1,215 AUD|Low: $292 AUD|High: $1,215 AUD|Avg: $463 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 3$292 AUD
Retailer 2$311 AUD
Retailer 6$345 AUD
Retailer 5$479 AUD
Retailer 4$614 AUD
MOH London$1,215 AUD

4 data points across 6 retailers

6 retailers$292 AUD to $1,215 AUD

A
Cheapest Retailer
-
$292 AUD
B+
Retailer 2
-
$311 AUD
View
B+
Retailer 3
-
$345 AUD
View
B
Retailer 4
-
$479 AUD
View
B
Retailer 5
-
$614 AUD
View
Most Expensive
B
MOH London
LG844659030 · Nov 2
$1,215 AUD
£671 GBP
View
5 more retailers have this diamond
Prices start from $292 AUDSave up to $923 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
$292 AUD