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Heart|Natural|HRD

1.31ct G SI2 Heart Natural Diamond

VG • G/SI2 • HRD 260000143392

Certificate HRD 260000143392

Diamond specifications and retailer prices

From £1,543 GBP
$2,068 USD
As of October 31, 2026
Save £2,030 GBP (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,573 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by HRD 260000143392. Listed at 12 retailers as of October 30, 2026, with prices from £1,543 to £3,573, a £2,030 spread on the same certified stone. NZ Jewellers lists it at £3,573. 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

1.31
Carat
G
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.05°
Pavilion angle44.23°
OriginNatural
Grading LabHRD
CertificateHRD 260000143392
Dimensions7.56 × 6.49 × 4.60 mm
L/W Ratio1.16
Culet sizeNone
Top View
7.56 mm6.49 mm1.31 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000143392
Side View
Table 58.0%Crown 37.05°Girdle: MediumPavilion 44.23°Culet: NoneDepth 60.8%

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: Oct 31
Current: £3,573 GBP|Low: £1,490 GBP|High: £3,682 GBP|Avg: £2,104 GBP|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 6£1,543 GBP
Retailer 9£1,577 GBP
Retailer 5£1,678 GBP
Retailer 3£1,761 GBP
Retailer 10£1,761 GBP
Retailer 2£1,813 GBP
Retailer 11£1,843 GBP
Retailer 8£1,973 GBP
Retailer 7£2,135 GBP
Retailer 4£2,994 GBP
NZ Jewellers£3,573 GBP

30 data points across 11 retailers

12 retailers£1,543 GBP to £3,573 GBP

A
Cheapest Retailer
-
£1,543 GBP
$2,068 USD
A
Retailer 2
-
£1,577 GBP
$2,113 USD
View
Final sale: no returns
A
Retailer 3
-
£1,678 GBP
$2,249 USD
View
A
Retailer 4
-
£1,761 GBP
$2,360 USD
View
Retailer 5
-
£1,761 GBP
$2,360 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
£1,761 GBP
$2,360 USD
View
A
Retailer 7
-
£1,813 GBP
$2,430 USD
View
Retailer 8
-
£1,843 GBP
$2,469 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
£1,973 GBP
$2,643 USD
View
A
Retailer 10
-
£2,135 GBP
€2,724 EUR
View
B+
Retailer 11
-
£2,994 GBP
View
Most Expensive
B
NZ Jewellers
dfffbb97-1978-4a42-9154-7b70d0a2183f · Oct 30
£3,573 GBP
$4,788 USD
View
11 more retailers have this diamond
Prices start from £1,543 GBPSave up to £2,030 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
£1,543 GBP