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Heart|Lab Grown|GIA

2.51ct E IF Heart Lab Grown Diamond

EX • E/IF • GIA 6501504948

Certificate GIA 6501504948

Diamond specifications and retailer prices

From £2,114 GBP
$2,815 USD
As of October 26, 2026
Save £2,647 GBP (56%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £4,761 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.51ct lab-grown heart diamond

This 2.51ct lab-grown heart sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6501504948. Listed at 2 retailers as of October 26, 2026, with prices from £2,114 to £4,761, a £2,647 spread on the same certified stone. Brilliant Earth lists it at £4,761. 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

2.51
Carat
E
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6501504948
Dimensions8.90 × 7.25 × 5.11 mm
L/W Ratio1.23
Top View
8.90 mm7.25 mm2.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6501504948
Side View
Table 60.0%CrownGirdle: ThickPavilionCulet: NoneDepth 70.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 26
Current: £4,761 GBP|Low: £1,949 GBP|High: £7,392 GBP|Avg: £4,860 GBP|+2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 13, 2026
Retailer 2£2,114 GBP
Retailer 5£4,153 GBP
Brilliant Earth£4,761 GBP
Retailer 4£6,004 GBP
Retailer 3£7,392 GBP

5 data points across 5 retailers

2 retailers£2,114 GBP to £4,761 GBP

B+
Cheapest Retailer
-
£2,114 GBP
$2,815 USD
Most Expensive
B
Brilliant Earth
21409131Y · Oct 29
£4,761 GBP
$6,340 USD
View
1 more retailer has this diamond
Prices start from £2,114 GBPSave up to £2,647 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+
2.51ct Heart
£2,114 GBP