CaratHunter
Plans
Heart|Natural|HRD

1.51ct E SI2 Heart Natural Diamond

ID • E/SI2 • HRD 250000277812

Certificate HRD 250000277812

Diamond specifications and retailer prices

From £2,558 GBP
SGD 4,603 SGD
As of October 29, 2026
Save £2,784 GBP (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £5,342 GBP at NZ Jewellers · As of October 27, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 250000277812. Listed at 10 retailers as of October 27, 2026, with prices from £2,558 to £5,342, a £2,784 spread on the same certified stone. NZ Jewellers lists it at £5,342. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.4°
Pavilion angle38.3°
OriginNatural
Grading LabHRD
CertificateHRD 250000277812
Dimensions7.17 × 7.91 × 4.48 mm
L/W Ratio1.10
Culet sizePointed
Top View
7.17 mm7.91 mm1.51 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 250000277812
Side View
Table 57.0%Crown 37.4°Girdle: MediumPavilion 38.3°Culet: NoneDepth 56.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £5,156 GBP|Low: £2,558 GBP|High: £5,190 GBP|Avg: £3,208 GBP|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 2£2,558 GBP
Retailer 5£2,698 GBP
Retailer 6£2,739 GBP
Retailer 3£2,830 GBP
Retailer 4£3,066 GBP
Retailer 7£3,177 GBP
Retailer 8£3,518 GBP
Retailer 1£5,156 GBP

16 data points across 8 retailers

10 retailers£2,558 GBP to £5,342 GBP

A
Cheapest Retailer
-
£2,558 GBP
SGD 4,603 SGD
A
Retailer 2
-
£2,698 GBP
$3,593 USD
View
A
Retailer 3
-
£2,830 GBP
$3,768 USD
View
Final sale: no returns
A
Retailer 4
-
£3,066 GBP
$4,083 USD
View
A
Retailer 5
-
£3,066 GBP
$4,083 USD
View
A
Retailer 6
-
£3,066 GBP
$4,083 USD
View
A
Retailer 7
-
£3,177 GBP
$4,231 USD
View
A
Retailer 8
-
£3,538 GBP
$4,711 USD
View
B+
Retailer 9
-
£5,156 GBP
View
Most Expensive
B+
NZ Jewellers
cce9ac9e-a0f4-4a85-a553-45cdb7beb607 · Oct 27
£5,342 GBP
$7,114 USD
View
9 more retailers have this diamond
Prices start from £2,558 GBPSave up to £2,784 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
£2,558 GBP