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Heart|Natural|GIA

1.51ct E I1 Heart Natural Diamond

ID • E/I1 • GIA 6551320471

Certificate GIA 6551320471

Diamond specifications and retailer prices

From £1,844 GBP
HK$19,300 HKD
As of November 1, 2026
Save £2,467 GBP (57%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,311 GBP at NZ Jewellers · As of October 30, 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 I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551320471. Listed at 10 retailers as of October 30, 2026, with prices from £1,844 to £4,311, a £2,467 spread on the same certified stone. NZ Jewellers lists it at £4,311. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
I1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551320471
Dimensions7.12 × 7.88 × 4.74 mm
L/W Ratio1.11
Top View
7.12 mm7.88 mm1.51 ctE / I1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551320471
Side View
Table 60.0%CrownGirdlePavilionCuletDepth 60.2%

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: Nov 1
Current: £4,311 GBP|Low: £1,834 GBP|High: £5,023 GBP|Avg: £2,995 GBP|-14.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 2£1,844 GBP
Retailer 8£2,196 GBP
Retailer 7£2,265 GBP
Retailer 4£2,474 GBP
Retailer 6£2,474 GBP
Retailer 5£2,570 GBP
Retailer 9£2,855 GBP
Retailer 3£2,896 GBP
Retailer 10£3,722 GBP
NZ Jewellers£4,311 GBP

29 data points across 10 retailers

10 retailers£1,844 GBP to £4,311 GBP

A
Cheapest Retailer
-
£1,844 GBP
HK$19,300 HKD
A
Retailer 2
-
£2,196 GBP
$2,943 USD
View
A
Retailer 3
-
£2,265 GBP
$3,035 USD
View
A
Retailer 4
-
£2,474 GBP
$3,315 USD
View
A
Retailer 5
-
£2,474 GBP
$3,315 USD
View
Retailer 6
-
£2,556 GBP
$3,425 USD
View
Price last confirmed 16 days ago
A
Retailer 7
-
£2,570 GBP
$3,443 USD
View
A
Retailer 8
-
£2,855 GBP
$3,825 USD
View
A
Retailer 9
-
£2,896 GBP
€3,696 EUR
View
Most Expensive
B+
NZ Jewellers
efb4d925-9161-44f2-9e2e-81b63306a6aa · Oct 30
£4,311 GBP
$5,776 USD
View
9 more retailers have this diamond
Prices start from £1,844 GBPSave up to £2,467 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
£1,844 GBP