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Heart|Lab Grown|IGI

3.01ct G SI2 Heart Lab Grown Diamond

ID • G/SI2 • IGI LG519231155

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG519231155

Diamond specifications and retailer prices

From £413 GBP
As of November 6, 2026
Save £1,804 GBP (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,217 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3.01ct lab-grown heart diamond

This 3.01ct lab-grown heart sits in the three to five carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG519231155 or 519231155. Listed at 13 retailers as of November 5, 2026, with prices from £413 to £2,217, a £1,804 spread on the same certified stone. MOH London lists it at £2,217. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.01
Carat
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.7°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG519231155
Dimensions10.14 × 9.17 × 5.87 mm
L/W Ratio1.11
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
10.14 mm9.17 mm3.01 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG519231155
Side View
Table 63.0%Crown 33.7°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 57.9%

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 6
Current: £2,217 GBP|Low: £397 GBP|High: £2,563 GBP|Avg: £1,045 GBP|+7.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6£413 GBP
Retailer 3£462 GBP
Retailer 10£462 GBP
Retailer 7£512 GBP
Retailer 11£718 GBP
Retailer 9£790 GBP
Retailer 2£790 GBP
Retailer 5£1,322 GBP
Retailer 8£1,347 GBP
Retailer 4£1,666 GBP
MOH London£2,217 GBP

45 data points across 11 retailers

13 retailers£413 GBP to £2,217 GBP

A
Cheapest Retailer
-
£413 GBP
A
Retailer 2
-
£462 GBP
View
Final sale: no returns
A
Retailer 3
-
£462 GBP
View
A
Retailer 4
-
£512 GBP
View
Retailer 5
-
£512 GBP
View
Price last confirmed 21 days ago
B+
Retailer 6
-
£718 GBP
View
B+
Retailer 7
-
£790 GBP
View
A
Retailer 8
-
£790 GBP
View
B
Retailer 9
-
£1,322 GBP
View
B
Retailer 10
-
£1,347 GBP
View
B
Retailer 11
-
£1,511 GBP
View
B
Retailer 12
-
£1,666 GBP
View
Most Expensive
B
MOH London
LG519231155 · Nov 5
£2,217 GBP
View
12 more retailers have this diamond
Prices start from £413 GBPSave up to £1,804 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
3.01ct Heart
£413 GBP