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Heart|Natural|HRD

1.26ct J SI1 Heart Natural Diamond

EX • J/SI1 • HRD 16029251004

Certificate HRD 16029251004

Diamond specifications and retailer prices

From £2,262 GBP
As of November 5, 2026
Save £1,951 GBP (46%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £4,213 GBP at MOH London · As of November 4, 2026
View at MOH London

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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 16029251004. Listed at 4 retailers as of November 4, 2026, with prices from £2,262 to £4,213, a £1,951 spread on the same certified stone. MOH London lists it at £4,213. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabHRD
CertificateHRD 16029251004
Dimensions6.96 × 7.40 × 3.46 mm
L/W Ratio1.06
Girdle conditionFaceted
Top View
6.96 mm7.40 mm1.26 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateHRD 16029251004
Side View
Table 63.0%CrownGirdle: Extremely ThickPavilionCuletDepth 46.8%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £4,213 GBP|Low: £2,485 GBP|High: £4,274 GBP|Avg: £3,035 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4£2,485 GBP
Retailer 3£2,645 GBP
Retailer 2£2,772 GBP
MOH London£4,213 GBP

40 data points across 4 retailers

4 retailers£2,262 GBP to £4,213 GBP

B
Cheapest Retailer
-
£2,262 GBP
B
Retailer 2
-
£2,645 GBP
View
B
Retailer 3
-
£2,772 GBP
View
Most Expensive
C
MOH London
61ABD51D6 · Nov 4
£4,213 GBP
View
3 more retailers have this diamond
Prices start from £2,262 GBPSave up to £1,951 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
1.26ct Heart
£2,262 GBP