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1.31ct G SI2 Round Natural Diamond

EX • G/SI2 • IGI 127491116

Shape and cutting style on the report: Round brilliant

Certificate IGI 127491116

Diamond specifications and retailer prices

From HK$31,438 HKD
$4,007 USD
As of November 1, 2026
Save HK$25,975 HKD (45%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$57,413 HKD at MOH London · As of November 1, 2026
View at MOH London

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 IGI 127491116. Listed at 6 retailers as of November 1, 2026, with prices from HK$31,438 to HK$57,413, a HK$25,975 spread on the same certified stone. MOH London lists it at HK$57,413. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 127491116
Dimensions7.04 × 6.99 × 4.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.04 mm6.99 mm1.31 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 127491116
Side View
Table 54.5%Crown 35°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 62.2%

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: Nov 1
Current: HK$57,413 HKD|Low: HK$30,959 HKD|High: HK$58,100 HKD|Avg: HK$39,385 HKD|+2.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7HK$31,430 HKD
Retailer 6HK$31,438 HKD
Retailer 3HK$32,089 HKD
Retailer 5HK$32,529 HKD
Retailer 4HK$36,043 HKD
Retailer 2HK$40,613 HKD
Retailer 8HK$41,865 HKD
Retailer 9HK$50,744 HKD
MOH LondonHK$57,413 HKD

28 data points across 9 retailers

6 retailersHK$31,438 HKD to HK$57,413 HKD

A
Cheapest Retailer
-
HK$31,438 HKD
$4,007 USD
A
Retailer 2
-
HK$32,089 HKD
$4,090 USD
View
B+
Retailer 3
-
HK$32,529 HKD
$4,146 USD
View
B+
Retailer 4
-
HK$36,043 HKD
$4,594 USD
View
B+
Retailer 5
-
HK$40,613 HKD
€4,930 EUR
View
Most Expensive
B
MOH London
78C51E100 · Nov 1
HK$57,413 HKD
£5,762 GBP
View
5 more retailers have this diamond
Prices start from HK$31,438 HKDSave up to HK$25,975 HKD

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
HK$31,438 HKD