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Heart|Natural|GIA

1.55ct K IF Heart Natural Diamond

EX • K/IF • GIA 7561013424

Certificate GIA 7561013424

Diamond specifications and retailer prices

From £2,964 GBP
As of November 6, 2026
Save £934 GBP (24%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,898 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.55ct natural heart diamond

This 1.55ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) 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 7561013424. Listed at 6 retailers as of November 5, 2026, with prices from £2,964 to £3,898, a £934 spread on the same certified stone. Blue Nile lists it at £3,898. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
K
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7561013424
Dimensions6.96 × 8.24 × 4.74 mm
L/W Ratio1.18
Culet sizeNone
Top View
6.96 mm8.24 mm1.55 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7561013424
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 57.5%

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 6
Current: £3,898 GBP|Low: £2,964 GBP|High: £4,113 GBP|Avg: £3,528 GBP|-5.2%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2£2,964 GBP
Retailer 4£3,279 GBP
Retailer 3£3,464 GBP
Retailer 5£3,509 GBP
Blue Nile£3,898 GBP

46 data points across 5 retailers

6 retailers£2,964 GBP to £3,898 GBP

A
Cheapest Retailer
-
£2,964 GBP
A
Retailer 2
-
£3,279 GBP
View
A
Retailer 3
-
£3,464 GBP
View
A
Retailer 4
-
£3,509 GBP
View
B+
Retailer 5
-
£3,792 GBP
View
Most Expensive
B+
Blue Nile
30008418 · Nov 5
£3,898 GBP
$5,217 USD
View
5 more retailers have this diamond
Prices start from £2,964 GBPSave up to £934 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
1.55ct Heart
£2,964 GBP