Heart|Lab Grown|IGI

3.42ct H VS1 Heart Lab Grown Diamond

EX • H/VS1 • IGI LG741544477

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG741544477

Diamond specifications and retailer prices

From €422 EUR
$472 USD
As of October 30, 2026
Save €1,526 EUR (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,948 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 3.42ct lab-grown heart diamond

This 3.42ct lab-grown heart sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG741544477 or 741544477. Listed at 14 retailers as of October 26, 2026, with prices from €422 to €1,948, a €1,526 spread on the same certified stone. MOH London lists it at €1,948. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.42
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741544477
Dimensions9.40 × 10.51 × 6.01 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.40 mm10.51 mm3.42 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741544477
Side View
Table 59.0%Crown 35.7°Girdle: MED-THKPavilion 37.9°Culet: NoneDepth 57.2%

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: Oct 30
Current: €1,948 EUR|Low: €422 EUR|High: €2,359 EUR|Avg: €1,088 EUR|-17.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 10€422 EUR
Retailer 4€478 EUR
Retailer 14€524 EUR
Retailer 6€530 EUR
Retailer 2€649 EUR
Retailer 9€803 EUR
Retailer 11€819 EUR
Retailer 8€1,079 EUR
Retailer 13€1,107 EUR
Retailer 3€1,150 EUR
Retailer 7€1,408 EUR
Retailer 5€1,702 EUR
Retailer 12€1,710 EUR
MOH London€1,948 EUR

32 data points across 14 retailers

14 retailers€422 EUR to €1,948 EUR

A
Cheapest Retailer
-
€422 EUR
$472 USD
A
Retailer 2
-
€478 EUR
$534 USD
View
A
Retailer 3
-
€524 EUR
$585 USD
View
Retailer 4
-
€530 EUR
$592 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
€649 EUR
$725 USD
View
A
Retailer 6
-
€803 EUR
$897 USD
View
B+
Retailer 7
-
€819 EUR
$915 USD
View
B+
Retailer 8
-
€1,079 EUR
$1,206 USD
View
B+
Retailer 9
-
€1,107 EUR
A$1,902 AUD
View
B+
Retailer 10
-
€1,150 EUR
ZAR 20,748 ZAR
View
B+
Retailer 11
-
€1,408 EUR
$1,573 USD
View
B
Retailer 12
-
€1,702 EUR
$1,902 USD
View
B+
Retailer 13
-
€1,710 EUR
$1,911 USD
View
Most Expensive
B
MOH London
LG741544477 · Oct 26
€1,948 EUR
£1,714 GBP
View
13 more retailers have this diamond
Prices start from €422 EURSave up to €1,526 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
3.42ct Heart
€422 EUR