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Heart|Lab Grown|IGI

3.09ct G VS1 Heart Lab Grown Diamond

VG • G/VS1 • IGI LG844642112

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG844642112

Diamond specifications and retailer prices

From £609 GBP
As of November 4, 2026
Save £1,282 GBP (68%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,891 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3.09ct lab-grown heart diamond

This 3.09ct lab-grown heart sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG844642112 or 844642112. Listed at 7 retailers as of November 4, 2026, with prices from £609 to £1,891, a £1,282 spread on the same certified stone. MOH London lists it at £1,891. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.09
Carat
G
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844642112
Dimensions9.17 × 10.04 × 5.81 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.17 mm10.04 mm3.09 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844642112
Side View
Table 59.0%Crown 37.3°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 57.9%

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 4
Current: £1,891 GBP|Low: £609 GBP|High: £1,906 GBP|Avg: £998 GBP|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 6£609 GBP
Retailer 4£673 GBP
Retailer 3£680 GBP
Retailer 2£747 GBP
Retailer 5£815 GBP
Retailer 7£1,479 GBP
MOH London£1,891 GBP

17 data points across 7 retailers

7 retailers£609 GBP to £1,891 GBP

B+
Cheapest Retailer
-
£609 GBP
A
Retailer 2
-
£673 GBP
View
A
Retailer 3
-
£680 GBP
View
A
Retailer 4
-
£747 GBP
View
A
Retailer 5
-
£815 GBP
View
B
Retailer 6
-
£1,479 GBP
View
Most Expensive
B
MOH London
LG844642112 · Nov 5
£1,891 GBP
View
6 more retailers have this diamond
Prices start from £609 GBPSave up to £1,282 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
3.09ct Heart
£609 GBP