Round|Lab Grown|IGI

0.51ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG772603179

Shape and cutting style on the report: Round brilliant

Certificate IGI LG772603179

Diamond specifications and retailer prices

From $198 USD
As of October 30, 2026
Save $275 USD (58%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,213 USD at MOH London · As of October 26, 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 LG772603179 or 772603179. Listed at 4 retailers as of October 30, 2026, with a 139% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle33.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772603179
Dimensions5.18 × 5.14 × 3.13 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.18 mm5.14 mm0.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772603179
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,213 USD|Low: $198 USD|High: $1,226 USD|Avg: $416 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 25, 2026
Retailer 3$198 USD
Retailer 5$235 USD
Retailer 6$260 USD
Retailer 2$374 USD
Retailer 4$473 USD
MOH London$1,213 USD

9 data points across 6 retailers

4 retailers$198 USD to $473 USD

B+
Cheapest Retailer
-
$198 USD
B
Retailer 2
-
$374 USD
View
B
Retailer 3
-
$473 USD
View
Most Expensive
MOH London
LG772603179 · Oct 26
$1,213 USD
£955 GBP
View
Price under review
3 more retailers have this diamond
Prices start from $198 USDSave up to $275 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
$198 USD