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Round|Natural|GIA

1.30ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2507458479

Certificate GIA 2507458479

Diamond specifications and retailer prices

From HK$25,048 HKD
As of November 6, 2026
Save HK$31,546 HKD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$56,594 HKD at NZ Jewellers · As of November 5, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2507458479. Listed at 18 retailers as of November 5, 2026, with prices from HK$25,048 to HK$56,594, a HK$31,546 spread on the same certified stone. NZ Jewellers lists it at HK$56,594. 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 angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2507458479
Dimensions6.96 × 6.92 × 4.33 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.96 mm6.92 mm1.30 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2507458479
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 40.6°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: Nov 6
Current: HK$56,594 HKD|Low: HK$23,536 HKD|High: HK$56,594 HKD|Avg: HK$33,752 HKD
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 6, 2026
Retailer 3HK$25,048 HKD
Retailer 12HK$25,385 HKD
Retailer 11HK$26,122 HKD
Retailer 4HK$27,164 HKD
Retailer 13HK$29,414 HKD
Retailer 5HK$29,429 HKD
Retailer 6HK$29,429 HKD
Retailer 2HK$30,268 HKD
Retailer 9HK$32,721 HKD
Retailer 7HK$33,630 HKD
Retailer 8HK$34,359 HKD
Retailer 14HK$36,757 HKD
Retailer 10HK$54,180 HKD
NZ JewellersHK$56,594 HKD

43 data points across 14 retailers

18 retailersHK$25,048 HKD to HK$56,594 HKD

A
Cheapest Retailer
-
HK$25,048 HKD
A
Retailer 2
-
HK$25,385 HKD
View
A
Retailer 3
-
HK$26,122 HKD
View
A
Retailer 4
-
HK$26,984 HKD
View
A
Retailer 5
-
HK$27,164 HKD
View
Final sale: no returns
B+
Retailer 6
-
HK$29,414 HKD
View
Retailer 7
-
HK$29,429 HKD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
HK$29,429 HKD
View
B+
Retailer 9
-
HK$30,268 HKD
View
B+
Retailer 10
-
HK$32,721 HKD
View
B+
Retailer 11
-
HK$32,917 HKD
View
B+
Retailer 12
-
HK$32,917 HKD
View
B+
Retailer 13
-
HK$33,630 HKD
View
B+
Retailer 14
-
HK$34,014 HKD
View
B+
Retailer 15
-
HK$34,359 HKD
View
Retailer 16
-
HK$36,757 HKD
View
Price last confirmed 14 days ago
B
Retailer 17
-
HK$54,180 HKD
View
Most Expensive
B
NZ Jewellers
58c1d35b-c7d0-4655-956d-9e93b4bf05cb · Nov 5
HK$56,594 HKD
$7,221 USD
View
17 more retailers have this diamond
Prices start from HK$25,048 HKDSave up to HK$31,546 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$25,048 HKD