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Round|Natural|HRD

1.31ct G SI2 Round Natural Diamond

EX • G/SI2 • HRD 240000147477

Certificate HRD 240000147477

Diamond specifications and retailer prices

From $2,940 AUD
$2,065 USD
As of November 1, 2026
Save $3,864 AUD (57%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,803 AUD 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 $2,940 to $6,803, a $3,864 spread on the same certified stone. NZ Jewellers lists it at $6,803. 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: Nov 1
Current: $6,803 AUD|Low: $2,238 AUD|High: $6,803 AUD|Avg: $3,774 AUD|+3.4%
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 3$2,238 AUD
Retailer 9$2,940 AUD
Retailer 6$3,004 AUD
Retailer 10$3,092 AUD
Retailer 7$3,254 AUD
Retailer 8$3,254 AUD
Retailer 5$3,404 AUD
Retailer 11$3,755 AUD
Retailer 2$4,046 AUD
Retailer 4$5,731 AUD
NZ Jewellers$6,803 AUD

28 data points across 11 retailers

10 retailers$2,940 AUD to $6,803 AUD

A
Cheapest Retailer
-
$2,940 AUD
$2,065 USD
A
Retailer 2
-
$3,004 AUD
$2,110 USD
View
Final sale: no returns
A
Retailer 3
-
$3,092 AUD
$2,172 USD
View
A
Retailer 4
-
$3,254 AUD
$2,286 USD
View
A
Retailer 5
-
$3,254 AUD
$2,286 USD
View
A
Retailer 6
-
$3,404 AUD
$2,391 USD
View
A
Retailer 7
-
$3,755 AUD
$2,638 USD
View
A
Retailer 8
-
$4,046 AUD
€2,707 EUR
View
A
Retailer 9
-
$5,731 AUD
£3,170 GBP
View
Most Expensive
B+
NZ Jewellers
86f8701f-f3ef-4213-ab99-56a5cec4302a · Oct 30
$6,803 AUD
$4,779 USD
View
9 more retailers have this diamond
Prices start from $2,940 AUDSave up to $3,864 AUD

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
$2,940 AUD