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Heart|Lab Grown|IGI

1.04ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG717583847

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG717583847

Diamond specifications and retailer prices

From £249 GBP
$333 USD
As of October 25, 2026
Save £742 GBP (75%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £990 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.04ct lab-grown heart diamond

This 1.04ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG717583847 or 717583847. Listed at 7 retailers as of October 25, 2026, with prices from £249 to £990, a £742 spread on the same certified stone. MOH London lists it at £990. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717583847
Dimensions6.45 × 6.99 × 4.06 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.45 mm6.99 mm1.04 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717583847
Side View
Table 60.0%Crown 36.5°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 58.1%

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 25
Current: £990 GBP|Low: £140 GBP|High: £1,007 GBP|Avg: £489 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 8£140 GBP
Retailer 7£249 GBP
Retailer 6£334 GBP
Retailer 3£422 GBP
Retailer 4£458 GBP
Retailer 2£471 GBP
Retailer 5£828 GBP
MOH London£990 GBP

41 data points across 8 retailers

7 retailers£249 GBP to £990 GBP

A
Cheapest Retailer
-
£249 GBP
$333 USD
A
Retailer 2
-
£334 GBP
$448 USD
View
A
Retailer 3
-
£422 GBP
ZAR 9,140 ZAR
View
B+
Retailer 4
-
£458 GBP
$613 USD
View
B+
Retailer 5
-
£471 GBP
View
B
Retailer 6
-
£828 GBP
$1,110 USD
View
Most Expensive
B
MOH London
LG717583847 · Oct 29
£990 GBP
View
6 more retailers have this diamond
Prices start from £249 GBPSave up to £742 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
1.04ct Heart
£249 GBP