Heart|Lab Grown|IGI

0.51ct E VS1 Heart Lab Grown Diamond

VG • E/VS1 • IGI LG839690497

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839690497

Diamond specifications and retailer prices

From $162 USD
As of October 28, 2026
Save $716 USD (82%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $878 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown heart diamond

This 0.51ct lab-grown heart sits in the half to three-quarter carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG839690497 or 839690497. Listed at 5 retailers as of October 28, 2026, with prices from $162 to $878, a $716 spread on the same certified stone. MOH London lists it at $878. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
E
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.3°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839690497
Dimensions5.37 × 5.37 × 3.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.37 mm5.37 mm0.51 ctE / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG839690497
Side View
Table 66.0%Crown 34.3°Girdle: STK-THKPavilion 38.6°CuletDepth 55.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $878 USD|Low: $162 USD|High: $878 USD|Avg: $421 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 4$162 USD
Retailer 3$225 USD
Retailer 2$287 USD
Retailer 5$441 USD
MOH London$878 USD

9 data points across 5 retailers

5 retailers$162 USD to $878 USD

A
Cheapest Retailer
-
$162 USD
B+
Retailer 2
-
$225 USD
£177 GBP
View
B+
Retailer 3
-
$287 USD
£226 GBP
View
B
Retailer 4
-
$441 USD
View
Most Expensive
B
MOH London
LG839690497 · Oct 29
$878 USD
£691 GBP
View
4 more retailers have this diamond
Prices start from $162 USDSave up to $716 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 Heart
$162 USD