Round|Natural|GIA

1.30ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2564026103

Certificate GIA 2564026103

Diamond specifications and retailer prices

From HK$20,158 HKD
As of November 6, 2026
Save HK$27,298 HKD (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$47,455 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564026103. Listed at 9 retailers as of November 5, 2026, with prices from HK$20,158 to HK$47,455, a HK$27,298 spread on the same certified stone. NZ Jewellers lists it at HK$47,455. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2564026103
Dimensions6.86 × 6.91 × 4.38 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Needle
Top View
6.86 mm6.91 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564026103
Side View
Table 55.0%CrownGirdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 63.6%

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$47,455 HKD|Low: HK$20,158 HKD|High: HK$49,556 HKD|Avg: HK$31,224 HKD|-4.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8HK$20,158 HKD
Retailer 5HK$23,105 HKD
Retailer 9HK$24,508 HKD
Retailer 6HK$27,243 HKD
Retailer 2HK$27,972 HKD
Retailer 7HK$28,285 HKD
Retailer 3HK$31,005 HKD
Retailer 4HK$45,433 HKD
NZ JewellersHK$47,455 HKD

43 data points across 9 retailers

9 retailersHK$20,158 HKD to HK$47,455 HKD

A
Cheapest Retailer
-
HK$20,158 HKD
A
Retailer 2
-
HK$23,105 HKD
View
A
Retailer 3
-
HK$24,508 HKD
View
A
Retailer 4
-
HK$27,243 HKD
View
A
Retailer 5
-
HK$27,972 HKD
View
A
Retailer 6
-
HK$28,285 HKD
View
B+
Retailer 7
-
HK$31,005 HKD
View
B
Retailer 8
-
HK$45,433 HKD
View
Most Expensive
B
NZ Jewellers
c6d91330-ee31-4eda-9055-1da821fc3b0d · Nov 5
HK$47,455 HKD
$6,055 USD
View
8 more retailers have this diamond
Prices start from HK$20,158 HKDSave up to HK$27,298 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$20,158 HKD