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Heart|Lab Grown|IGI

1.45ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG768690938

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG768690938

Diamond specifications and retailer prices

From £578 GBP
$774 USD
As of October 29, 2026
Save £902 GBP (61%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,480 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.45ct lab-grown heart diamond

This 1.45ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768690938 or 768690938. Listed at 6 retailers as of October 29, 2026, with prices from £578 to £1,480, a £902 spread on the same certified stone. MOH London lists it at £1,480. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768690938
Dimensions6.78 × 8.16 × 4.42 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.78 mm8.16 mm1.45 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768690938
Side View
Table 64.0%Crown 35.6°Girdle: STK-THKPavilion 36.8°Culet: NoneDepth 54.2%

Caratlytics Score

How it works →
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: Oct 29
Current: £1,480 GBP|Low: £578 GBP|High: £1,950 GBP|Avg: £919 GBP|-24.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 4£578 GBP
Retailer 6£630 GBP
Retailer 2£661 GBP
Retailer 7£711 GBP
Retailer 3£857 GBP
Retailer 5£1,312 GBP
MOH London£1,480 GBP

40 data points across 7 retailers

6 retailers£578 GBP to £1,480 GBP

A
Cheapest Retailer
-
£578 GBP
$774 USD
A
Retailer 2
-
£630 GBP
$844 USD
View
A
Retailer 3
-
£661 GBP
View
B+
Retailer 4
-
£857 GBP
$1,148 USD
View
B
Retailer 5
-
£1,312 GBP
$1,758 USD
View
Most Expensive
B
MOH London
LG768690938 · Oct 29
£1,480 GBP
View
5 more retailers have this diamond
Prices start from £578 GBPSave up to £902 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
1.45ct Heart
£578 GBP