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Heart|Lab Grown|IGI

3.15ct J VVS2 Heart Lab Grown Diamond

EX • J/VVS2 • IGI LG649406073

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG649406073

Diamond specifications and retailer prices

From £610 GBP
As of November 6, 2026
Save £871 GBP (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,576 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.15ct lab-grown heart diamond

This 3.15ct 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 LG649406073 or 649406073. Listed at 5 retailers as of November 6, 2026, with a 143% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.15
Carat
J
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649406073
Dimensions9.10 × 10.14 × 5.83 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.10 mm10.14 mm3.15 ctJ / VVS2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649406073
Side View
Table 58.0%Crown 33.3°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 57.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,576 GBP|Low: £493 GBP|High: £1,586 GBP|Avg: £861 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 7£493 GBP
Retailer 2£610 GBP
Retailer 3£616 GBP
Retailer 6£626 GBP
Retailer 4£630 GBP
Retailer 5£1,482 GBP
MOH London£1,576 GBP

10 data points across 7 retailers

5 retailers£610 GBP to £1,482 GBP

B+
Cheapest Retailer
-
£610 GBP
B+
Retailer 2
-
£616 GBP
View
B+
Retailer 3
-
£630 GBP
View
B
Retailer 4
-
£1,482 GBP
View
Most Expensive
MOH London
LG649406073 · Oct 29
£1,576 GBP
View
Price last confirmed 8 days ago
4 more retailers have this diamond
Prices start from £610 GBPSave up to £871 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.

B+
3.15ct Heart
£610 GBP