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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 $2,640 SGD
$2,065 USD
As of November 1, 2026
Save $3,470 SGD (57%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,109 SGD 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 $2,640 to $6,109, a $3,470 spread on the same certified stone. NZ Jewellers lists it at $6,109. 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: $6,109 SGD|Low: $2,010 SGD|High: $6,109 SGD|Avg: $3,389 SGD|+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$2,010 SGD
Retailer 9$2,640 SGD
Retailer 6$2,697 SGD
Retailer 10$2,777 SGD
Retailer 7$2,922 SGD
Retailer 8$2,922 SGD
Retailer 5$3,057 SGD
Retailer 11$3,372 SGD
Retailer 2$3,634 SGD
Retailer 4$5,147 SGD
NZ Jewellers$6,109 SGD

28 data points across 11 retailers

10 retailers$2,640 SGD to $6,109 SGD

A
Cheapest Retailer
-
$2,640 SGD
$2,065 USD
A
Retailer 2
-
$2,697 SGD
$2,110 USD
View
Final sale: no returns
A
Retailer 3
-
$2,777 SGD
$2,172 USD
View
A
Retailer 4
-
$2,922 SGD
$2,286 USD
View
A
Retailer 5
-
$2,922 SGD
$2,286 USD
View
A
Retailer 6
-
$3,057 SGD
$2,391 USD
View
A
Retailer 7
-
$3,372 SGD
$2,638 USD
View
A
Retailer 8
-
$3,634 SGD
€2,707 EUR
View
A
Retailer 9
-
$5,147 SGD
£3,170 GBP
View
Most Expensive
B+
NZ Jewellers
86f8701f-f3ef-4213-ab99-56a5cec4302a · Oct 30
$6,109 SGD
$4,779 USD
View
9 more retailers have this diamond
Prices start from $2,640 SGDSave up to $3,470 SGD

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
$2,640 SGD