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Heart|Natural|HRD

1.00ct L SI1 Heart Natural Diamond

L/SI1 • HRD 260000215957

Certificate HRD 260000215957

Diamond specifications and retailer prices

From £744 GBP
As of November 5, 2026
Save £1,591 GBP (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,335 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included) and certified by HRD 260000215957. Listed at 6 retailers as of November 5, 2026, with prices from £744 to £2,335, a £1,591 spread on the same certified stone. NZ Jewellers lists it at £2,335. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
L
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000215957
Dimensions6.79 × 6.30 × 3.91 mm
L/W Ratio1.08
Girdle conditionFaceted
Top View
6.79 mm6.30 mm1.00 ctL / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 260000215957
Side View
Table 55.0%CrownGirdle: MediumPavilionCuletDepth 57.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £2,335 GBP|Low: £744 GBP|High: £2,335 GBP|Avg: £1,095 GBP|+17.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3£744 GBP
Retailer 5£744 GBP
Retailer 6£773 GBP
Retailer 4£859 GBP
Retailer 2£1,040 GBP
NZ Jewellers£2,335 GBP

24 data points across 6 retailers

6 retailers£744 GBP to £2,335 GBP

B+
Cheapest Retailer
-
£744 GBP
Retailer 2
-
£744 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£773 GBP
View
B+
Retailer 4
-
£859 GBP
View
B
Retailer 5
-
£1,040 GBP
View
Most Expensive
C
NZ Jewellers
9ec389fb-9528-4b54-9e43-4f5c66fe6a7d · Nov 5
£2,335 GBP
$3,125 USD
View
5 more retailers have this diamond
Prices start from £744 GBPSave up to £1,591 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+
1.00ct Heart
£744 GBP