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Heart|Natural|HRD

1.51ct K IF Heart Natural Diamond

EX • K/IF • HRD 250000297154

Certificate HRD 250000297154

Diamond specifications and retailer prices

From £2,267 GBP
As of November 1, 2026
Save £1,682 GBP (43%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,949 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct 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 HRD 250000297154. Listed at 5 retailers as of November 1, 2026, with prices from £2,267 to £3,949, a £1,682 spread on the same certified stone. NZ Jewellers lists it at £3,949. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
K
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34.17°
Pavilion angle39.8°
OriginNatural
Grading LabHRD
CertificateHRD 250000297154
Dimensions7.13 × 8.18 × 4.59 mm
L/W Ratio1.15
Girdle conditionMedium
Top View
7.13 mm8.18 mm1.51 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateHRD 250000297154
Side View
Table 63.0%Crown 34.17°GirdlePavilion 39.8°CuletDepth 56.1%

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 1
Current: £3,949 GBP|Low: £2,267 GBP|High: £4,028 GBP|Avg: £2,966 GBP|-2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3£2,267 GBP
Retailer 4£2,354 GBP
Retailer 5£2,361 GBP
Retailer 6£2,666 GBP
Retailer 2£3,791 GBP
NZ Jewellers£3,949 GBP

16 data points across 6 retailers

5 retailers£2,267 GBP to £3,949 GBP

A
Cheapest Retailer
-
£2,267 GBP
A
Retailer 2
-
£2,354 GBP
View
A
Retailer 3
-
£2,361 GBP
View
B+
Retailer 4
-
£3,791 GBP
View
Most Expensive
B+
NZ Jewellers
bd6cdd88-5c09-46ca-9b75-4f3c57296efe · Nov 3
£3,949 GBP
$5,286 USD
View
4 more retailers have this diamond
Prices start from £2,267 GBPSave up to £1,682 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
1.51ct Heart
£2,267 GBP