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Heart|Lab Grown|IGI

2.45ct F IF Heart Lab Grown Diamond

ID • F/IF • IGI LG578321428

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG578321428

Diamond specifications and retailer prices

From £730 GBP
As of November 4, 2026
Save £2,221 GBP (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,845 GBP at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 2.45ct lab-grown heart diamond

This 2.45ct lab-grown heart sits in the two to three carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG578321428 or 578321428. Listed at 17 retailers as of November 4, 2026, with a 304% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.45
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle44.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578321428
Dimensions9.41 × 8.11 × 5.56 mm
L/W Ratio1.16
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
9.41 mm8.11 mm2.45 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578321428
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 44.3°Culet: NoneDepth 59.1%

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: Nov 4
Current: £4,845 GBP|Low: £701 GBP|High: £4,845 GBP|Avg: £1,833 GBP
Brilliant Earth
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 5, 2026
Retailer 12£730 GBP
Retailer 4£818 GBP
Retailer 13£847 GBP
Retailer 9£978 GBP
Retailer 10£1,213 GBP
Retailer 6£1,294 GBP
Retailer 11£1,825 GBP
Retailer 5£1,949 GBP
Retailer 8£2,010 GBP
Retailer 7£2,187 GBP
Retailer 3£2,627 GBP
Retailer 2£2,864 GBP
Brilliant Earth£4,845 GBP

45 data points across 13 retailers

17 retailers£730 GBP to £2,951 GBP

A
Cheapest Retailer
-
£730 GBP
A
Retailer 2
-
£794 GBP
View
A
Retailer 3
-
£818 GBP
View
Final sale: no returns
A
Retailer 4
-
£847 GBP
View
Retailer 5
-
£847 GBP
View
Price last confirmed 19 days ago
A
Retailer 6
-
£978 GBP
View
A
Retailer 7
-
£1,213 GBP
View
A
Retailer 8
-
£1,294 GBP
View
A
Retailer 9
-
£1,587 GBP
View
A
Retailer 10
-
£1,615 GBP
View
B+
Retailer 11
-
£1,949 GBP
View
B+
Retailer 12
-
£2,010 GBP
View
B+
Retailer 13
-
£2,187 GBP
View
B+
Retailer 14
-
£2,627 GBP
View
B+
Retailer 15
-
£2,864 GBP
View
B+
Retailer 16
-
£2,951 GBP
View
Most Expensive
Brilliant Earth
21385665A · Oct 8
£4,845 GBP
$6,540 USD
View
Price last confirmed 27 days ago
16 more retailers have this diamond
Prices start from £730 GBPSave up to £2,221 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
2.45ct Heart
£730 GBP