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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 $472 USD
As of October 30, 2026
Save $1,678 USD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,150 USD at MOH London · As of November 1, 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 30, 2026, with prices from $472 to $2,150, a $1,678 spread on the same certified stone. MOH London lists it at $2,150. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,150 USD|Low: $472 USD|High: $2,635 USD|Avg: $1,213 USD|-18.3%
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
November 1, 2026
Retailer 12$472 USD
Retailer 2$529 USD
Retailer 4$585 USD
Retailer 6$592 USD
Retailer 8$725 USD
Retailer 11$897 USD
Retailer 13$915 USD
Retailer 10$1,206 USD
Retailer 3$1,236 USD
Retailer 5$1,284 USD
Retailer 9$1,573 USD
Retailer 7$1,881 USD
Retailer 14$1,911 USD
MOH London$2,150 USD

33 data points across 14 retailers

14 retailers$472 USD to $2,150 USD

A
Cheapest Retailer
-
$472 USD
A
Retailer 2
-
$529 USD
View
A
Retailer 3
-
$585 USD
View
Retailer 4
-
$592 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$725 USD
View
A
Retailer 6
-
$897 USD
View
B+
Retailer 7
-
$915 USD
View
B+
Retailer 8
-
$1,206 USD
View
B+
Retailer 9
-
$1,236 USD
A$1,902 AUD
View
A
Retailer 10
-
$1,284 USD
ZAR 20,748 ZAR
View
B+
Retailer 11
-
$1,573 USD
View
B+
Retailer 12
-
$1,881 USD
View
B+
Retailer 13
-
$1,911 USD
View
Most Expensive
B
MOH London
LG741544477 · Nov 1
$2,150 USD
£1,693 GBP
View
13 more retailers have this diamond
Prices start from $472 USDSave up to $1,678 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
3.42ct Heart
$472 USD