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Heart|Lab Grown|IGI

3.11ct I VS1 Heart Lab Grown Diamond

EX • I/VS1 • IGI LG619445761

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG619445761

Diamond specifications and retailer prices

From £591 GBP
$793 USD
As of November 1, 2026
Save £922 GBP (61%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,513 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 3.11ct lab-grown heart diamond

This 3.11ct lab-grown heart sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG619445761 or 619445761. Listed at 5 retailers as of November 1, 2026, with prices from £591 to £1,513, a £922 spread on the same certified stone. MOH London lists it at £1,513. 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

3.11
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG619445761
Dimensions9.00 × 9.72 × 5.95 mm
L/W Ratio1.08
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
9.00 mm9.72 mm3.11 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG619445761
Side View
Table 58.0%Crown 38.9°Girdle: MED-THKPavilion 40°Culet: NoneDepth 61.2%

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: Nov 1
Current: £1,513 GBP|Low: £488 GBP|High: £1,531 GBP|Avg: £843 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 7£488 GBP
Retailer 2£591 GBP
Retailer 3£601 GBP
Retailer 6£609 GBP
Retailer 4£666 GBP
Retailer 5£1,436 GBP
MOH London£1,513 GBP

10 data points across 7 retailers

5 retailers£591 GBP to £1,513 GBP

B+
Cheapest Retailer
-
£591 GBP
$793 USD
A
Retailer 2
-
£601 GBP
$807 USD
View
A
Retailer 3
-
£666 GBP
$894 USD
View
B
Retailer 4
-
£1,436 GBP
$1,926 USD
View
Most Expensive
B
MOH London
LG619445761 · Nov 1
£1,513 GBP
View
4 more retailers have this diamond
Prices start from £591 GBPSave up to £922 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
3.11ct Heart
£591 GBP