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Heart|Lab Grown|IGI

1.80ct H SI1 Heart Lab Grown Diamond

ID • H/SI1 • IGI LG622495596

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG622495596

Diamond specifications and retailer prices

From £150 GBP
As of November 6, 2026
Save £719 GBP (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £869 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.8ct lab-grown heart diamond

This 1.8ct lab-grown heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG622495596 or 622495596. Listed at 11 retailers as of November 5, 2026, with prices from £150 to £869, a £719 spread on the same certified stone. MOH London lists it at £869. 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

1.80
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG622495596
Dimensions8.52 × 7.39 × 4.91 mm
L/W Ratio1.15
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
8.52 mm7.39 mm1.80 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG622495596
Side View
Table 59.0%Crown 35.2°Girdle: THN-THKPavilion 39.6°Culet: NoneDepth 57.6%

Caratlytics Score

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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: Nov 6
Current: £869 GBP|Low: £144 GBP|High: £1,539 GBP|Avg: £504 GBP|-0.2%
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
Retailer 14
November 6, 2026
Retailer 8£150 GBP
Retailer 12£174 GBP
Retailer 9£186 GBP
Retailer 14£186 GBP
Retailer 2£244 GBP
Retailer 11£323 GBP
Retailer 3£386 GBP
Retailer 6£403 GBP
Retailer 13£460 GBP
Retailer 10£599 GBP
Retailer 7£601 GBP
Retailer 5£770 GBP
MOH London£869 GBP
Retailer 4£1,539 GBP

39 data points across 14 retailers

11 retailers£150 GBP to £869 GBP

A
Cheapest Retailer
-
£150 GBP
A
Retailer 2
-
£174 GBP
View
A
Retailer 3
-
£186 GBP
View
Retailer 4
-
£186 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£244 GBP
View
B+
Retailer 6
-
£323 GBP
View
A
Retailer 7
-
£386 GBP
View
A
Retailer 8
-
£460 GBP
View
B+
Retailer 9
-
£599 GBP
View
B+
Retailer 10
-
£601 GBP
View
Most Expensive
B+
MOH London
LG622495596 · Nov 5
£869 GBP
View
10 more retailers have this diamond
Prices start from £150 GBPSave up to £719 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
1.80ct Heart
£150 GBP