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Heart|Lab Grown|IGI

3.09ct G VS1 Heart Lab Grown Diamond

VG • G/VS1 • IGI LG828610404

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG828610404

Diamond specifications and retailer prices

From £493 GBP
As of October 30, 2026
Save £1,395 GBP (74%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,888 GBP at MOH London · As of October 29, 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 LG828610404 or 828610404. Listed at 8 retailers as of October 29, 2026, with prices from £493 to £1,888, a £1,395 spread on the same certified stone. MOH London lists it at £1,888. 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 angle34.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828610404
Dimensions9.17 × 10.20 × 5.79 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.17 mm10.20 mm3.09 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828610404
Side View
Table 66.0%Crown 34.1°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 56.8%

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: Oct 30
Current: £1,888 GBP|Low: £493 GBP|High: £2,409 GBP|Avg: £1,412 GBP|-21.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 4£493 GBP
Retailer 2£745 GBP
Retailer 6£830 GBP
Retailer 5£976 GBP
Retailer 3£1,183 GBP
Retailer 8£1,425 GBP
Retailer 7£1,466 GBP
MOH London£1,888 GBP

36 data points across 8 retailers

8 retailers£493 GBP to £1,888 GBP

A
Cheapest Retailer
-
£493 GBP
A
Retailer 2
-
£745 GBP
View
B+
Retailer 3
-
£830 GBP
View
Retailer 4
-
£976 GBP
View
Price last confirmed 8 days ago
Retailer 5
-
£1,183 GBP
View
Price last confirmed 7 days ago
Retailer 6
-
£1,425 GBP
View
Price last confirmed 8 days ago
Retailer 7
-
£1,466 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG828610404 · Oct 29
£1,888 GBP
View
7 more retailers have this diamond
Prices start from £493 GBPSave up to £1,395 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
£493 GBP