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0.51ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG854622082

Shape and cutting style on the report: Round brilliant

Certificate IGI LG854622082

Diamond specifications and retailer prices

From $155 USD
As of November 4, 2026
Save $281 USD (64%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $436 USD at Taylor and Hart · As of November 4, 2026
View at Taylor and Hart

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 LG854622082 or 854622082. Listed at 3 retailers as of November 4, 2026, with prices from $155 to $436, a $281 spread on the same certified stone. Taylor and Hart lists it at $436. 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 angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG854622082
Dimensions5.10 × 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 Faint Blue
Top View
5.10 mm5.14 mm0.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG854622082
Side View
Table 57.0%Crown 35.7°Girdle: MediumPavilion 40.7°CuletDepth 62.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $155 USD|Low: $155 USD|High: $436 USD|Avg: $311 USD
Retailer 1
Retailer 2
Taylor and Hart
November 4, 2026
Retailer 1$155 USD
Retailer 2$219 USD
Taylor and Hart$436 USD

2 data points across 3 retailers

3 retailers$155 USD to $436 USD

A
Cheapest Retailer
-
$155 USD
B+
Retailer 2
-
$219 USD
View
Most Expensive
B
Taylor and Hart
4UOYQ8V · Nov 4
$436 USD
View
2 more retailers have this diamond
Prices start from $155 USDSave up to $281 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
$155 USD