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Heart|Lab Grown|IGI

1.51ct I VS1 Heart Lab Grown Diamond

ID • I/VS1 • IGI LG792666955

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG792666955

Diamond specifications and retailer prices

From €378 EUR
$422 USD
As of October 28, 2026
Save €574 EUR (60%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €1,145 EUR at MOH London · As of October 21, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG792666955 or 792666955. Listed at 5 retailers as of October 28, 2026, with a 152% 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

1.51
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792666955
Dimensions6.86 × 7.55 × 4.05 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.86 mm7.55 mm1.51 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792666955
Side View
Table 59.0%Crown 36°Girdle: STK-THKPavilion 31.5°Culet: NoneDepth 53.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: €1,145 EUR|Low: €378 EUR|High: €1,306 EUR|Avg: €736 EUR|-11.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 3€378 EUR
Retailer 5€414 EUR
Retailer 2€517 EUR
Retailer 4€951 EUR
MOH London€1,145 EUR

10 data points across 5 retailers

5 retailers€378 EUR to €951 EUR

B+
Cheapest Retailer
-
€378 EUR
$422 USD
A
Retailer 2
-
€414 EUR
$462 USD
View
A
Retailer 3
-
€517 EUR
$578 USD
View
B
Retailer 4
-
€951 EUR
$1,063 USD
View
Most Expensive
MOH London
LG792666955 · Oct 21
€1,145 EUR
£1,007 GBP
View
Price last confirmed 11 days ago
4 more retailers have this diamond
Prices start from €378 EURSave up to €574 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.

A
1.51ct Heart
€378 EUR