Round|Lab Grown|IGI

0.51ct F VVS1 Round Lab Grown Diamond

EX • F/VVS1 • IGI LG837622343

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837622343

Diamond specifications and retailer prices

From $190 USD
As of November 1, 2026
Save $302 USD (61%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,128 USD 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 F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837622343 or 837622343. Listed at 7 retailers as of October 31, 2026, with a 159% 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
F
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837622343
Dimensions5.18 × 5.22 × 3.14 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.18 mm5.22 mm0.51 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837622343
Side View
Table 57.0%Crown 32.1°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.4%

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: $1,128 USD|Low: $190 USD|High: $1,140 USD|Avg: $443 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4$190 USD
Retailer 3$249 USD
Retailer 5$268 USD
Retailer 2$269 USD
Retailer 6$440 USD
Retailer 7$492 USD
MOH London$1,128 USD

42 data points across 7 retailers

7 retailers$190 USD to $492 USD

A
Cheapest Retailer
-
$190 USD
B+
Retailer 2
-
$249 USD
€237 EUR
View
B+
Retailer 3
-
$268 USD
View
B+
Retailer 4
-
$269 USD
£212 GBP
View
B
Retailer 5
-
$440 USD
View
B
Retailer 6
-
$492 USD
View
Most Expensive
MOH London
LG837622343 · Nov 2
$1,128 USD
£888 GBP
View
Price under review
6 more retailers have this diamond
Prices start from $190 USDSave up to $302 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
$190 USD