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1.31ct G SI2 Round Natural Diamond

EX • G/SI2 • IGI 802616808

Shape and cutting style on the report: Round brilliant

Certificate IGI 802616808

Diamond specifications and retailer prices

From HK$23,168 HKD
$2,953 USD
As of October 30, 2026
Save HK$27,876 HKD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$51,044 HKD 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 IGI 802616808. Listed at 13 retailers as of October 30, 2026, with prices from HK$23,168 to HK$51,044, a HK$27,876 spread on the same certified stone. NZ Jewellers lists it at HK$51,044. 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
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 802616808
Dimensions6.92 × 6.98 × 4.35 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.92 mm6.98 mm1.31 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 802616808
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.6%

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 30
Current: HK$51,044 HKD|Low: HK$20,347 HKD|High: HK$51,044 HKD|Avg: HK$29,420 HKD|+9.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 6HK$20,592 HKD
Retailer 5HK$23,168 HKD
Retailer 3HK$23,788 HKD
Retailer 4HK$24,730 HKD
Retailer 14HK$26,542 HKD
Retailer 11HK$26,801 HKD
Retailer 9HK$26,884 HKD
Retailer 2HK$27,286 HKD
Retailer 12HK$27,562 HKD
Retailer 10HK$27,984 HKD
Retailer 13HK$30,630 HKD
Retailer 7HK$34,295 HKD
Retailer 8HK$49,471 HKD
NZ JewellersHK$51,044 HKD

40 data points across 14 retailers

13 retailersHK$23,168 HKD to HK$51,044 HKD

A
Cheapest Retailer
-
HK$23,168 HKD
$2,953 USD
A
Retailer 2
-
HK$23,788 HKD
$3,032 USD
View
A
Retailer 3
-
HK$24,730 HKD
$3,152 USD
View
Final sale: no returns
A
Retailer 4
-
HK$26,542 HKD
$3,383 USD
View
A
Retailer 5
-
HK$26,801 HKD
$3,416 USD
View
A
Retailer 6
-
HK$26,884 HKD
$3,427 USD
View
A
Retailer 7
-
HK$27,286 HKD
£2,738 GBP
View
A
Retailer 8
-
HK$27,562 HKD
$3,513 USD
View
A
Retailer 9
-
HK$27,984 HKD
$3,567 USD
View
A
Retailer 10
-
HK$30,630 HKD
$3,904 USD
View
B+
Retailer 11
-
HK$34,295 HKD
€4,163 EUR
View
B
Retailer 12
-
HK$49,471 HKD
£4,965 GBP
View
Most Expensive
B
NZ Jewellers
51072c9b-ddcc-4ecb-a9ce-42999253959d · Oct 30
HK$51,044 HKD
$6,506 USD
View
12 more retailers have this diamond
Prices start from HK$23,168 HKDSave up to HK$27,876 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$23,168 HKD