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Heart|Natural|HRD

1.31ct J SI2 Heart Natural Diamond

ID • J/SI2 • HRD 260000237789

Certificate HRD 260000237789

Diamond specifications and retailer prices

From £1,210 GBP
As of November 5, 2026
Save £905 GBP (43%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £2,115 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.31ct natural heart diamond

This 1.31ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 260000237789. Listed at 2 retailers as of November 2, 2026, with prices from £1,210 to £2,115, a £905 spread on the same certified stone. MOH London lists it at £2,115. 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

1.31
Carat
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.05°
Pavilion angle40.48°
OriginNatural
Grading LabHRD
CertificateHRD 260000237789
Dimensions6.98 × 7.67 × 4.40 mm
L/W Ratio1.10
Girdle conditionMedium
Top View
6.98 mm7.67 mm1.31 ctJ / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000237789
Side View
Table 59.0%Crown 33.05°GirdlePavilion 40.48°CuletDepth 57.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £2,115 GBP|Low: £1,210 GBP|High: £2,138 GBP|Avg: £1,577 GBP|-1.1%
MOH London
Retailer 2
November 1, 2026
Retailer 2£1,210 GBP
MOH London£2,115 GBP

6 data points across 2 retailers

2 retailers£1,210 GBP to £2,115 GBP

A
Cheapest Retailer
-
£1,210 GBP
Most Expensive
B
MOH London
1117E2097 · Nov 2
£2,115 GBP
View
1 more retailer has this diamond
Prices start from £1,210 GBPSave up to £905 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
1.31ct Heart
£1,210 GBP