CaratHunter
Plans
Heart|Natural|HRD

1.26ct F SI2 Heart Natural Diamond

EX • F/SI2 • HRD 260000003865

Certificate HRD 260000003865

Diamond specifications and retailer prices

From £989 GBP
As of November 5, 2026
Save £1,615 GBP (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,604 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.26ct natural heart diamond

This 1.26ct natural heart sits in the one-and-a-quarter to one-and-a-half 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 260000003865. Listed at 7 retailers as of November 5, 2026, with prices from £989 to £2,604, a £1,615 spread on the same certified stone. NZ Jewellers lists it at £2,604. 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

1.26
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000003865
Dimensions6.63 × 7.33 × 4.34 mm
L/W Ratio1.11
Culet sizeNone
Top View
6.63 mm7.33 mm1.26 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 260000003865
Side View
Table 60.0%CrownGirdle: MediumPavilionCulet: NoneDepth 59.2%

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 5
Current: £2,604 GBP|Low: £989 GBP|High: £2,846 GBP|Avg: £1,535 GBP|-8.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 7£989 GBP
Retailer 2£1,068 GBP
Retailer 6£1,068 GBP
Retailer 4£1,117 GBP
Retailer 5£1,231 GBP
Retailer 8£1,336 GBP
Retailer 9£1,573 GBP
Retailer 3£1,949 GBP
Retailer 10£2,003 GBP
NZ Jewellers£2,604 GBP

24 data points across 10 retailers

7 retailers£989 GBP to £2,604 GBP

A
Cheapest Retailer
-
£989 GBP
A
Retailer 2
-
£1,068 GBP
View
Retailer 3
-
£1,068 GBP
View
Price last confirmed 9 days ago
A
Retailer 4
-
£1,117 GBP
View
A
Retailer 5
-
£1,231 GBP
View
A
Retailer 6
-
£1,949 GBP
View
Most Expensive
B+
NZ Jewellers
c591297c-b26d-4c7d-830e-4381f9f95f39 · Nov 5
£2,604 GBP
$3,485 USD
View
6 more retailers have this diamond
Prices start from £989 GBPSave up to £1,615 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
1.26ct Heart
£989 GBP