Heart|Lab Grown|IGI

3.01ct H SI1 Heart Lab Grown Diamond

EX • H/SI1 • IGI LG778602560

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG778602560

Diamond specifications and retailer prices

From £394 GBP
As of November 6, 2026
Save £1,646 GBP (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,041 GBP at MOH London · As of November 3, 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 LG778602560 or 778602560. Listed at 15 retailers as of November 3, 2026, with prices from £394 to £2,041, a £1,646 spread on the same certified stone. MOH London lists it at £2,041. 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
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778602560
Dimensions9.08 × 9.46 × 5.91 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.08 mm9.46 mm3.01 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778602560
Side View
Table 55.0%Crown 37.9°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 62.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £2,041 GBP|Low: £379 GBP|High: £2,690 GBP|Avg: £1,033 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 8£394 GBP
Retailer 3£442 GBP
Retailer 12£442 GBP
Retailer 9£489 GBP
Retailer 7£590 GBP
Retailer 13£753 GBP
Retailer 11£757 GBP
Retailer 4£816 GBP
Retailer 2£1,106 GBP
Retailer 10£1,286 GBP
Retailer 6£1,412 GBP
Retailer 5£1,588 GBP
MOH London£2,041 GBP

26 data points across 13 retailers

15 retailers£394 GBP to £2,041 GBP

A
Cheapest Retailer
-
£394 GBP
A
Retailer 2
-
£442 GBP
View
Final sale: no returns
A
Retailer 3
-
£442 GBP
View
Retailer 4
-
£489 GBP
View
Price last confirmed 21 days ago
A
Retailer 5
-
£489 GBP
View
A
Retailer 6
-
£590 GBP
View
A
Retailer 7
-
£753 GBP
View
A
Retailer 8
-
£757 GBP
View
A
Retailer 9
-
£816 GBP
View
A
Retailer 10
-
£1,106 GBP
View
B+
Retailer 11
-
£1,262 GBP
View
B+
Retailer 12
-
£1,286 GBP
View
A
Retailer 13
-
£1,412 GBP
View
B+
Retailer 14
-
£1,588 GBP
View
Most Expensive
B+
MOH London
LG778602560 · Nov 3
£2,041 GBP
View
14 more retailers have this diamond
Prices start from £394 GBPSave up to £1,646 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
£394 GBP