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Heart|Lab Grown|IGI

3.01ct H SI1 Heart Lab Grown Diamond

EX • H/SI1 • IGI LG485172021

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG485172021

Diamond specifications and retailer prices

From £2,240 GBP
As of November 6, 2026
Save £4,390 GBP (66%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £6,629 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG485172021 or 485172021. Listed at 8 retailers as of November 5, 2026, with prices from £2,240 to £6,629, a £4,390 spread on the same certified stone. MOH London lists it at £6,629. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.1°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485172021
Dimensions8.73 × 10.15 × 5.71 mm
L/W Ratio1.16
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
8.73 mm10.15 mm3.01 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG485172021
Side View
Table 53.5%Crown 38.1°Girdle: THN-STKPavilion 37.7°Culet: NoneDepth 56.3%

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: £6,629 GBP|Low: £2,170 GBP|High: £6,737 GBP|Avg: £3,360 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 3£2,240 GBP
Retailer 8£2,375 GBP
Retailer 5£2,437 GBP
Retailer 6£2,622 GBP
Retailer 10£2,742 GBP
Retailer 2£3,247 GBP
Retailer 7£3,366 GBP
Retailer 9£3,378 GBP
Retailer 4£4,039 GBP
MOH London£6,629 GBP

16 data points across 10 retailers

8 retailers£2,240 GBP to £6,629 GBP

B+
Cheapest Retailer
-
£2,240 GBP
B+
Retailer 2
-
£2,375 GBP
View
B+
Retailer 3
-
£2,437 GBP
View
B+
Retailer 4
-
£2,622 GBP
View
B+
Retailer 5
-
£3,247 GBP
View
B
Retailer 6
-
£3,366 GBP
View
B
Retailer 7
-
£4,039 GBP
View
Most Expensive
B
MOH London
LG485172021 · Nov 5
£6,629 GBP
View
7 more retailers have this diamond
Prices start from £2,240 GBPSave up to £4,390 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+
3.01ct Heart
£2,240 GBP