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Round|Lab Grown|IGI

0.51ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG842634199

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842634199

Diamond specifications and retailer prices

From $294 AUD
As of November 1, 2026
Save $976 AUD (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,269 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 LG842634199 or 842634199. Listed at 9 retailers as of November 1, 2026, with prices from $294 to $1,269, a $976 spread on the same certified stone. MOH London lists it at $1,269. 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 angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842634199
Dimensions5.09 × 5.12 × 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
5.09 mm5.12 mm0.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842634199
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,269 AUD|Low: $294 AUD|High: $1,326 AUD|Avg: $556 AUD|-4.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 4, 2026
Retailer 3$326 AUD
Retailer 7$355 AUD
Retailer 2$379 AUD
Retailer 8$473 AUD
Retailer 6$485 AUD
Retailer 4$504 AUD
Retailer 5$639 AUD
MOH London$1,269 AUD

31 data points across 8 retailers

9 retailers$294 AUD to $1,269 AUD

A
Cheapest Retailer
-
$294 AUD
B+
Retailer 2
-
$326 AUD
View
B+
Retailer 3
-
$355 AUD
View
B+
Retailer 4
-
$379 AUD
View
B+
Retailer 5
-
$473 AUD
View
B+
Retailer 6
-
$485 AUD
View
B
Retailer 7
-
$504 AUD
View
B
Retailer 8
-
$639 AUD
View
Most Expensive
B
MOH London
LG842634199 · Nov 2
$1,269 AUD
£698 GBP
View
8 more retailers have this diamond
Prices start from $294 AUDSave up to $976 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
$294 AUD