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 $242 USD
As of October 30, 2026
Save $94 USD (28%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $336 USD at With Clarity · As of October 30, 2026
View at With Clarity

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 2 retailers as of October 30, 2026, with prices from $242 to $336, a $94 spread on the same certified stone. With Clarity lists it at $336. 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
Color
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 →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $242 USD|Low: $242 USD|High: $336 USD|Avg: $289 USD
Retailer 1
With Clarity
October 30, 2026
Retailer 1$242 USD
With Clarity$336 USD

1 data point across 2 retailers

2 retailers$242 USD to $336 USD

B+
Cheapest Retailer
-
$242 USD
Most Expensive
B
With Clarity
844659030 · Oct 30
$336 USD
View
1 more retailer has this diamond
Prices start from $242 USDSave up to $94 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.

B+
0.51ct Round
$242 USD