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Heart|Lab Grown|IGI

3.21ct J VVS2 Heart Lab Grown Diamond

EX • J/VVS2 • IGI LG619445914

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG619445914

Diamond specifications and retailer prices

From £614 GBP
As of November 6, 2026
Save £966 GBP (61%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,580 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 3.21ct lab-grown heart diamond

This 3.21ct lab-grown heart sits in the three to five carat band, graded J colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG619445914 or 619445914. Listed at 5 retailers as of November 3, 2026, with prices from £614 to £1,580, a £966 spread on the same certified stone. MOH London lists it at £1,580. 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

3.21
Carat
J
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG619445914
Dimensions8.79 × 10.44 × 6.14 mm
L/W Ratio1.19
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
8.79 mm10.44 mm3.21 ctJ / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG619445914
Side View
Table 55.0%Crown 35.6°Girdle: MED-VTKPavilion 40.6°Culet: NoneDepth 58.8%

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: Nov 6
Current: £1,580 GBP|Low: £501 GBP|High: £1,599 GBP|Avg: £871 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 7£501 GBP
Retailer 2£614 GBP
Retailer 3£620 GBP
Retailer 6£638 GBP
Retailer 4£651 GBP
Retailer 5£1,492 GBP
MOH London£1,580 GBP

9 data points across 7 retailers

5 retailers£614 GBP to £1,580 GBP

B+
Cheapest Retailer
-
£614 GBP
A
Retailer 2
-
£620 GBP
View
B+
Retailer 3
-
£651 GBP
View
B
Retailer 4
-
£1,492 GBP
View
Most Expensive
B+
MOH London
LG619445914 · Nov 3
£1,580 GBP
View
4 more retailers have this diamond
Prices start from £614 GBPSave up to £966 GBP

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
3.21ct Heart
£614 GBP