Heart|Lab Grown|IGI

3.00ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG807648362

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG807648362

Diamond specifications and retailer prices

From £285 GBP
As of November 6, 2026
Save £1,092 GBP (79%) vs most expensive(unlock to see where)
38 retailers carry this diamond
Most expensive: £1,377 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3ct lab-grown heart diamond

This 3ct lab-grown heart sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG807648362 or 807648362. Listed at 38 retailers as of November 5, 2026, with prices from £285 to £1,377, a £1,092 spread on the same certified stone. MOH London lists it at £1,377. 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

3.00
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807648362
Dimensions9.81 × 8.81 × 5.80 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
9.81 mm8.81 mm3.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807648362
Side View
Table 57.0%Crown 35.2°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 59.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £1,377 GBP|Low: £318 GBP|High: £1,430 GBP|Avg: £771 GBP|-3.6%
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 6, 2026
Retailer 12£318 GBP
Retailer 5£357 GBP
Retailer 4£362 GBP
Retailer 7£463 GBP
Retailer 10£563 GBP
Retailer 13£588 GBP
Retailer 2£633 GBP
Retailer 9£747 GBP
Retailer 8£991 GBP
Retailer 3£1,163 GBP
Retailer 6£1,163 GBP
Retailer 11£1,323 GBP
MOH London£1,377 GBP

43 data points across 13 retailers

38 retailers£285 GBP to £1,377 GBP

Retailer 1
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£280 GBP
Price last confirmed 35 days ago
Retailer 2
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£280 GBP
View
Price last confirmed 32 days ago
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Retailer 3
-
£285 GBP
View
Retailer 4
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£288 GBP
View
Price last confirmed 14 days ago
Retailer 5
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£288 GBP
View
Price last confirmed 26 days ago
Retailer 6
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£291 GBP
View
Price last confirmed 29 days ago
Retailer 7
-
£291 GBP
View
Price last confirmed 7 days ago
A
Retailer 8
-
£318 GBP
View
Final sale: no returns
Retailer 9
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£323 GBP
View
Price last confirmed 13 days ago
A
Retailer 10
-
£353 GBP
View
Retailer 11
-
£357 GBP
View
Price last confirmed 21 days ago
Retailer 12
-
£357 GBP
View
Price last confirmed 37 days ago
Retailer 13
-
£357 GBP
View
Price last confirmed 40 days ago
Retailer 14
-
£357 GBP
View
Price last confirmed 27 days ago
Retailer 15
-
£357 GBP
View
Price last confirmed 12 days ago
Retailer 16
-
£362 GBP
View
Price last confirmed 17 days ago
Retailer 17
-
£362 GBP
View
Price last confirmed 29 days ago
Retailer 18
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£362 GBP
View
Price last confirmed 8 days ago
Retailer 19
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£362 GBP
View
Price last confirmed 27 days ago
Retailer 20
-
£362 GBP
View
Price last confirmed 32 days ago
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Retailer 21
-
£362 GBP
View
A
Retailer 22
-
£463 GBP
View
B+
Retailer 23
-
£563 GBP
View
A
Retailer 24
-
£588 GBP
View
A
Retailer 25
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£633 GBP
View
A
Retailer 26
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£747 GBP
View
B+
Retailer 27
-
£991 GBP
View
B+
Retailer 28
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£1,136 GBP
View
Retailer 29
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£1,149 GBP
View
Price last confirmed 27 days ago
Retailer 30
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£1,149 GBP
View
Price last confirmed 15 days ago
Retailer 31
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£1,163 GBP
View
Price last confirmed 29 days ago
Retailer 32
-
£1,163 GBP
View
Price last confirmed 17 days ago
Retailer 33
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£1,163 GBP
View
Price last confirmed 32 days ago
Retailer 34
-
£1,163 GBP
View
Price last confirmed 37 days ago
B+
Retailer 35
-
£1,163 GBP
View
B+
Retailer 36
-
£1,163 GBP
View
B+
Retailer 37
-
£1,323 GBP
View
Most Expensive
B+
MOH London
LG807648362 · Nov 5
£1,377 GBP
View
37 more retailers have this diamond
Prices start from £285 GBPSave up to £1,092 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
3.00ct Heart
£285 GBP