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Heart|Lab Grown|IGI

1.24ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG694527354

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG694527354

Diamond specifications and retailer prices

From £537 GBP
$719 USD
As of October 30, 2026
Save £680 GBP (56%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,217 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.24ct lab-grown heart diamond

This 1.24ct 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 LG694527354 or 694527354. Listed at 4 retailers as of October 30, 2026, with prices from £537 to £1,217, a £680 spread on the same certified stone. Brilliant Earth lists it at £1,217. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.24
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694527354
Dimensions7.37 × 6.71 × 4.44 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.37 mm6.71 mm1.24 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694527354
Side View
Table 60.0%Crown 36.7°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 60.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,217 GBP|Low: £454 GBP|High: £1,814 GBP|Avg: £1,006 GBP|-32.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 6£454 GBP
Retailer 4£537 GBP
Retailer 7£718 GBP
Retailer 8£743 GBP
Retailer 2£809 GBP
Retailer 3£1,137 GBP
Brilliant Earth£1,217 GBP
Retailer 5£1,340 GBP
Retailer 9£1,618 GBP

8 data points across 9 retailers

4 retailers£537 GBP to £1,217 GBP

B+
Cheapest Retailer
-
£537 GBP
$719 USD
B+
Retailer 2
-
£809 GBP
A$1,668 AUD
View
Retailer 3
-
£1,137 GBP
A$2,343 AUD
View
Price last confirmed 30 days ago
Most Expensive
B
Brilliant Earth
20170539Y · Oct 30
£1,217 GBP
$1,630 USD
View
3 more retailers have this diamond
Prices start from £537 GBPSave up to £680 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.

B+
1.24ct Heart
£537 GBP