Heart|Lab Grown|IGI

1.51ct G VS1 Heart Lab Grown Diamond

GD • G/VS1 • IGI LG818679709

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818679709

Diamond specifications and retailer prices

From €434 EUR
$485 USD
As of October 30, 2026
Save €594 EUR (58%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €1,028 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG818679709 or 818679709. Listed at 5 retailers as of October 26, 2026, with prices from €434 to €1,028, a €594 spread on the same certified stone. MOH London lists it at €1,028. 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

1.51
Carat
G
Color
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle43.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818679709
Dimensions6.64 × 7.65 × 5.03 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.64 mm7.65 mm1.51 ctG / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818679709
Side View
Table 57.0%Crown 35.6°Girdle: ThickPavilion 43.4°Culet: NoneDepth 65.8%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: €1,028 EUR|Low: €413 EUR|High: €1,038 EUR|Avg: €642 EUR|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 4€434 EUR
Retailer 3€435 EUR
Retailer 2€483 EUR
Retailer 5€870 EUR
MOH London€1,028 EUR

32 data points across 5 retailers

5 retailers€434 EUR to €1,028 EUR

B+
Cheapest Retailer
-
€434 EUR
$485 USD
B+
Retailer 2
-
€435 EUR
$486 USD
View
B+
Retailer 3
-
€483 EUR
£425 GBP
View
B
Retailer 4
-
€870 EUR
$972 USD
View
Most Expensive
B
MOH London
LG818679709 · Oct 26
€1,028 EUR
£904 GBP
View
4 more retailers have this diamond
Prices start from €434 EURSave up to €594 EUR

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+
1.51ct Heart
€434 EUR