Heart|Lab Grown|IGI

0.51ct D VS2 Heart Lab Grown Diamond

VG • D/VS2 • IGI LG839630302

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839630302

Diamond specifications and retailer prices

From $248 USD
As of October 30, 2026
Save $614 USD (71%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $862 USD at MOH London · As of October 26, 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 D colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG839630302 or 839630302. Listed at 6 retailers as of October 26, 2026, with prices from $248 to $862, a $614 spread on the same certified stone. MOH London lists it at $862. 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
D
Color
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839630302
Dimensions4.77 × 5.58 × 3.31 mm
L/W Ratio1.17
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
4.77 mm5.58 mm0.51 ctD / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839630302
Side View
Table 62.0%Crown 35.9°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 59.3%

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: $862 USD|Low: $248 USD|High: $862 USD|Avg: $456 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 4$248 USD
Retailer 2$320 USD
Retailer 3$322 USD
Retailer 5$408 USD
Retailer 6$648 USD
MOH London$862 USD

10 data points across 6 retailers

6 retailers$248 USD to $862 USD

B+
Cheapest Retailer
-
$248 USD
B+
Retailer 2
-
$320 USD
£252 GBP
View
B+
Retailer 3
-
$322 USD
A$495 AUD
View
B
Retailer 4
-
$408 USD
View
B
Retailer 5
-
$648 USD
View
Most Expensive
B
MOH London
LG839630302 · Oct 26
$862 USD
£679 GBP
View
5 more retailers have this diamond
Prices start from $248 USDSave up to $614 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 Heart
$248 USD