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Round|Natural|GIA

1.30ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6485801399

Certificate GIA 6485801399

Diamond specifications and retailer prices

From HK$26,718 HKD
As of November 1, 2026
Save HK$49,796 HKD (65%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$76,514 HKD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6485801399. Listed at 20 retailers as of November 1, 2026, with prices from HK$26,718 to HK$76,514, a HK$49,796 spread on the same certified stone. Diamond Quarter lists it at HK$76,514. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6485801399
Dimensions6.91 × 6.94 × 4.35 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.91 mm6.94 mm1.30 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6485801399
Side View
Table 56.0%Crown 35.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.8%

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$31,185 HKD|Low: HK$26,718 HKD|High: HK$56,735 HKD|Avg: HK$36,126 HKD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 10HK$26,718 HKD
Retailer 11HK$27,392 HKD
Retailer 2HK$30,315 HKD
Retailer 3HK$30,668 HKD
Retailer 1HK$31,185 HKD
Retailer 4HK$31,843 HKD
Retailer 12HK$33,521 HKD
Retailer 8HK$33,787 HKD
Retailer 5HK$35,378 HKD
Retailer 6HK$35,942 HKD
Retailer 13HK$39,885 HKD
Retailer 7HK$48,952 HKD
Retailer 9HK$56,351 HKD

37 data points across 13 retailers

20 retailersHK$26,718 HKD to HK$76,514 HKD

A
Cheapest Retailer
-
HK$26,718 HKD
A
Retailer 2
-
HK$27,392 HKD
View
B+
Retailer 3
-
HK$30,315 HKD
View
B+
Retailer 4
-
HK$30,668 HKD
View
B+
Retailer 5
-
HK$31,185 HKD
View
B+
Retailer 6
-
HK$31,843 HKD
View
Retailer 7
-
HK$33,521 HKD
View
Price last confirmed 56 days ago
Retailer 8
-
HK$33,521 HKD
View
Price last confirmed 19 days ago
Retailer 9
-
HK$33,521 HKD
View
Price last confirmed 21 days ago
Retailer 10
-
HK$33,521 HKD
View
Price last confirmed 22 days ago
B+
Retailer 11
-
HK$33,787 HKD
View
B+
Retailer 12
-
HK$35,378 HKD
View
B+
Retailer 13
-
HK$35,942 HKD
View
Retailer 14
-
HK$38,678 HKD
View
Price last confirmed 60 days ago
Retailer 15
-
HK$38,678 HKD
View
Price last confirmed 19 days ago
B
Retailer 16
-
HK$48,952 HKD
View
Retailer 17
-
HK$56,351 HKD
View
Price last confirmed 8 days ago
Retailer 18
-
HK$58,396 HKD
View
Price last confirmed 57 days ago
Retailer 19
-
HK$58,396 HKD
View
Price last confirmed 20 days ago
Most Expensive
B
Diamond Quarter
1.3SI2H649971CEN · Nov 5
HK$76,514 HKD
£7,687 GBP
View
19 more retailers have this diamond
Prices start from HK$26,718 HKDSave up to HK$49,796 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$26,718 HKD