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Round|Natural|IGI

1.31ct I IF Round Natural Diamond

EX • I/IF • IGI 713558121

Shape and cutting style on the report: Round brilliant

Certificate IGI 713558121

Diamond specifications and retailer prices

From HK$24,031 HKD
$3,063 USD
As of October 30, 2026
Save HK$21,235 HKD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$48,455 HKD at NZ Jewellers · As of October 17, 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 713558121. Listed at 15 retailers as of October 30, 2026, with a 88% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 713558121
Dimensions6.96 × 6.90 × 4.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.96 mm6.90 mm1.31 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 713558121
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.9%

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$31,543 HKD|Low: HK$24,031 HKD|High: HK$47,070 HKD|Avg: HK$30,861 HKD|+3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8HK$24,031 HKD
Retailer 6HK$24,251 HKD
Retailer 5HK$25,459 HKD
Retailer 3HK$28,632 HKD
Retailer 7HK$31,437 HKD
Retailer 1HK$31,543 HKD
Retailer 4HK$33,271 HKD
Retailer 2HK$45,267 HKD

37 data points across 8 retailers

15 retailersHK$24,031 HKD to HK$45,267 HKD

A
Cheapest Retailer
-
HK$24,031 HKD
$3,063 USD
A
Retailer 2
-
HK$24,251 HKD
$3,091 USD
View
A
Retailer 3
-
HK$25,459 HKD
$3,245 USD
View
Retailer 4
-
HK$26,005 HKD
$3,315 USD
View
Price last confirmed 98 days ago
Retailer 5
-
HK$27,068 HKD
$3,450 USD
View
Price last confirmed 39 days ago
Retailer 6
-
HK$27,813 HKD
$3,545 USD
View
Price last confirmed 15 days ago
Retailer 7
-
HK$27,813 HKD
$3,545 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
HK$28,632 HKD
£2,874 GBP
View
Retailer 9
-
HK$31,234 HKD
$3,981 USD
View
Price last confirmed 41 days ago
A
Retailer 10
-
HK$31,437 HKD
£3,155 GBP
View
A
Retailer 11
-
HK$31,543 HKD
€3,829 EUR
View
A
Retailer 12
-
HK$33,271 HKD
ZAR 68,509 ZAR
View
A
Retailer 13
-
HK$45,267 HKD
£4,543 GBP
View
Retailer 14
-
HK$47,161 HKD
$6,011 USD
View
Price last confirmed 41 days ago
Most Expensive
NZ Jewellers
e3413bef-ea9a-4f72-bd74-d1b582fa9b75 · Oct 17
HK$48,455 HKD
$6,176 USD
View
Price last confirmed 15 days ago
14 more retailers have this diamond
Prices start from HK$24,031 HKDSave up to HK$21,235 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$24,031 HKD