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Heart|Natural|HRD

1.00ct F SI2 Heart Natural Diamond

EX • F/SI2 • HRD 260000118425

Certificate HRD 260000118425

Diamond specifications and retailer prices

From £693 GBP
As of November 6, 2026
Save £1,577 GBP (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,270 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 F 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 260000118425. Listed at 13 retailers as of November 5, 2026, with prices from £693 to £2,270, a £1,577 spread on the same certified stone. NZ Jewellers lists it at £2,270. 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

1.00
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000118425
Dimensions6.19 × 6.87 × 4.03 mm
L/W Ratio1.11
Culet sizeNone
Top View
6.19 mm6.87 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000118425
Side View
Table 58.0%CrownGirdle: MediumPavilionCulet: NoneDepth 58.7%

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 6
Current: £2,270 GBP|Low: £693 GBP|High: £2,381 GBP|Avg: £1,165 GBP|-4.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 2£693 GBP
Retailer 3£891 GBP
Retailer 4£931 GBP
Retailer 9£931 GBP
Retailer 10£967 GBP
Retailer 13£1,013 GBP
Retailer 7£1,026 GBP
Retailer 11£1,031 GBP
Retailer 12£1,038 GBP
Retailer 8£1,074 GBP
Retailer 5£1,340 GBP
Retailer 6£1,705 GBP
NZ Jewellers£2,270 GBP

41 data points across 13 retailers

13 retailers£693 GBP to £2,270 GBP

A
Cheapest Retailer
-
£693 GBP
A
Retailer 2
-
£891 GBP
View
Retailer 3
-
£931 GBP
View
Price last confirmed 8 days ago
A
Retailer 4
-
£931 GBP
View
A
Retailer 5
-
£967 GBP
View
A
Retailer 6
-
£1,013 GBP
View
A
Retailer 7
-
£1,026 GBP
View
A
Retailer 8
-
£1,031 GBP
View
A
Retailer 9
-
£1,038 GBP
View
A
Retailer 10
-
£1,074 GBP
View
Retailer 11
-
£1,165 GBP
View
Price last confirmed 61 days ago
B+
Retailer 12
-
£1,705 GBP
View
Most Expensive
B
NZ Jewellers
8af01a63-1ab5-45c0-8db8-d9c6ef42c479 · Nov 5
£2,270 GBP
$3,038 USD
View
12 more retailers have this diamond
Prices start from £693 GBPSave up to £1,577 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
1.00ct Heart
£693 GBP