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Round|Natural|IGI

1.30ct M SI1 Round Natural Diamond

EX • M/SI1 • IGI 644482852

Shape and cutting style on the report: Round brilliant

Certificate IGI 644482852

Diamond specifications and retailer prices

From HK$12,474 HKD
As of November 1, 2026
Save HK$6,747 HKD (35%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$34,605 HKD at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 644482852. Listed at 13 retailers as of November 1, 2026, with a 54% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.30
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 644482852
Dimensions7.00 × 7.08 × 4.27 mm
L/W Ratio1.01
Girdle conditionPARTLY FACETED
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.00 mm7.08 mm1.30 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 644482852
Side View
Table 60.0%Crown 36.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.6%

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: Nov 1
Current: HK$13,949 HKD|Low: HK$12,474 HKD|High: HK$23,065 HKD|Avg: HK$15,772 HKD|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5HK$12,474 HKD
Retailer 7HK$12,921 HKD
Retailer 10HK$13,784 HKD
Retailer 1HK$13,949 HKD
Retailer 9HK$14,263 HKD
Retailer 6HK$14,631 HKD
Retailer 8HK$15,259 HKD
Retailer 4HK$17,314 HKD
Retailer 3HK$19,221 HKD
Retailer 2HK$23,065 HKD

40 data points across 10 retailers

13 retailersHK$12,474 HKD to HK$19,221 HKD

A
Cheapest Retailer
-
HK$12,474 HKD
A
Retailer 2
-
HK$12,921 HKD
View
A
Retailer 3
-
HK$13,949 HKD
View
Retailer 4
-
HK$14,184 HKD
View
Price last confirmed 29 days ago
Retailer 5
-
HK$14,184 HKD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
HK$14,263 HKD
View
B+
Retailer 7
-
HK$14,631 HKD
View
Retailer 8
-
HK$14,843 HKD
View
Price last confirmed 22 days ago
B+
Retailer 9
-
HK$15,259 HKD
View
Retailer 10
-
HK$16,373 HKD
View
Price last confirmed 28 days ago
B+
Retailer 11
-
HK$17,314 HKD
View
B
Retailer 12
-
HK$19,221 HKD
View
Most Expensive
NZ Jewellers
a750e670-a474-4328-8b35-0c131e10cc91 · Sep 26
HK$34,605 HKD
$4,411 USD
View
Price last confirmed 40 days ago
12 more retailers have this diamond
Prices start from HK$12,474 HKDSave up to HK$6,747 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
1.30ct Round
HK$12,474 HKD