Heart|Lab Grown|IGI

3.40ct G VS2 Heart Lab Grown Diamond

ID • G/VS2 • IGI LG517200655

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG517200655

Diamond specifications and retailer prices

From $3,070 USD
As of October 31, 2026
14 retailers carry this diamond
Most expensive: $18,830 USD at MOH London · As of November 1, 2026
View at MOH London

About this 3.4ct lab-grown heart diamond

This 3.4ct lab-grown heart sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG517200655 or 517200655. Listed at 14 retailers as of October 31, 2026. 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

3.40
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517200655
Dimensions8.86 × 10.30 × 6.15 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.86 mm10.30 mm3.40 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517200655
Side View
Table 56.0%Crown 42.9°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 59.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: $18,830 USD|Low: $3,070 USD|High: $31,347 USD|Avg: $14,797 USD
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
Retailer 15
November 1, 2026
Retailer 9$3,070 USD
Retailer 11$10,335 USD
Retailer 15$10,748 USD
Retailer 5$11,031 USD
Retailer 14$11,235 USD
Retailer 3$11,574 USD
Retailer 12$11,988 USD
Retailer 6$12,006 USD
Retailer 13$12,795 USD
Retailer 10$12,918 USD
Retailer 8$14,146 USD
Retailer 7$15,444 USD
MOH London$18,830 USD
Retailer 2$21,928 USD
Retailer 4$31,347 USD

24 data points across 15 retailers

14 retailers

B+
Cheapest Retailer
-
$3,070 USD
Retailer 2
-
$10,335 USD
View
Price under review
Retailer 3
-
$10,748 USD
View
Price under review
Retailer 4
-
$11,031 USD
View
Price under review
Retailer 5
-
$11,235 USD
View
Price under review
Retailer 6
-
$11,574 USD
View
Price under review
Final sale: no returns
Most Expensive
MOH London
LG517200655 · Nov 1
$18,830 USD
£14,827 GBP
View
Price under review
6 more retailers have this diamond
Prices start from $3,070 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+
3.40ct Heart
$3,070 USD