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1.31ct G SI2 Round Natural Diamond

EX • G/SI2 • HRD 240000147477

Certificate HRD 240000147477

Diamond specifications and retailer prices

From £1,541 GBP
$2,065 USD
As of October 30, 2026
Save £2,026 GBP (57%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,567 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.31ct natural round diamond

This 1.31ct natural round 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 top-tier cut grade and certified by HRD 240000147477. Listed at 10 retailers as of October 30, 2026, with prices from £1,541 to £3,567, a £2,026 spread on the same certified stone. NZ Jewellers lists it at £3,567. 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle35.1°
Pavilion angle41.2°
OriginNatural
Grading LabHRD
CertificateHRD 240000147477
Dimensions7.00 × 6.97 × 4.38 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
The stone in accordance with the mentioned number has been identified as a natural gem diamond.
Top View
7.00 mm6.97 mm1.31 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateHRD 240000147477
Side View
Table 56.0%Crown 35.1°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £3,567 GBP|Low: £1,173 GBP|High: £3,567 GBP|Avg: £1,978 GBP|+3.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3£1,173 GBP
Retailer 9£1,541 GBP
Retailer 6£1,575 GBP
Retailer 10£1,621 GBP
Retailer 7£1,706 GBP
Retailer 8£1,706 GBP
Retailer 5£1,784 GBP
Retailer 11£1,969 GBP
Retailer 2£2,131 GBP
Retailer 4£3,005 GBP
NZ Jewellers£3,567 GBP

28 data points across 11 retailers

10 retailers£1,541 GBP to £3,567 GBP

A
Cheapest Retailer
-
£1,541 GBP
$2,065 USD
A
Retailer 2
-
£1,575 GBP
$2,110 USD
View
Final sale: no returns
A
Retailer 3
-
£1,621 GBP
$2,172 USD
View
A
Retailer 4
-
£1,706 GBP
$2,286 USD
View
A
Retailer 5
-
£1,706 GBP
$2,286 USD
View
A
Retailer 6
-
£1,784 GBP
$2,391 USD
View
A
Retailer 7
-
£1,969 GBP
$2,638 USD
View
A
Retailer 8
-
£2,131 GBP
€2,719 EUR
View
A
Retailer 9
-
£3,005 GBP
View
Most Expensive
B+
NZ Jewellers
86f8701f-f3ef-4213-ab99-56a5cec4302a · Oct 30
£3,567 GBP
$4,779 USD
View
9 more retailers have this diamond
Prices start from £1,541 GBPSave up to £2,026 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 Round
£1,541 GBP