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Round|Natural|GIA

1.30ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2564101820

Certificate GIA 2564101820

Diamond specifications and retailer prices

From HK$34,174 HKD
As of November 5, 2026
Save HK$45,628 HKD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$79,801 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564101820. Listed at 16 retailers as of November 5, 2026, with prices from HK$34,174 to HK$79,801, a HK$45,628 spread on the same certified stone. NZ Jewellers lists it at HK$79,801. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2564101820
Dimensions6.97 × 7.01 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
6.97 mm7.01 mm1.30 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2564101820
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.1%

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 5
Current: HK$46,836 HKD|Low: HK$34,174 HKD|High: HK$71,046 HKD|Avg: HK$48,303 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7HK$34,174 HKD
Retailer 8HK$37,579 HKD
Retailer 2HK$38,018 HKD
Retailer 11HK$44,443 HKD
Retailer 9HK$45,024 HKD
Retailer 1HK$46,836 HKD
Retailer 3HK$47,409 HKD
Retailer 5HK$48,546 HKD
Retailer 6HK$52,688 HKD
Retailer 4HK$55,717 HKD
Retailer 10HK$70,097 HKD

38 data points across 11 retailers

16 retailersHK$34,174 HKD to HK$79,801 HKD

A
Cheapest Retailer
-
HK$34,174 HKD
A
Retailer 2
-
HK$37,579 HKD
View
A
Retailer 3
-
HK$38,018 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$41,611 HKD
View
B+
Retailer 5
-
HK$44,443 HKD
View
B+
Retailer 6
-
HK$45,024 HKD
View
B+
Retailer 7
-
HK$46,836 HKD
View
Retailer 8
-
HK$47,409 HKD
View
Price last confirmed 33 days ago
B+
Retailer 9
-
HK$47,715 HKD
View
Retailer 10
-
HK$47,715 HKD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
HK$47,715 HKD
View
B+
Retailer 12
-
HK$48,546 HKD
View
B
Retailer 13
-
HK$52,688 HKD
View
B+
Retailer 14
-
HK$55,717 HKD
View
B
Retailer 15
-
HK$70,097 HKD
View
Most Expensive
B
NZ Jewellers
35f05874-dbfd-4f90-be40-5e164d6b2531 · Nov 5
HK$79,801 HKD
$10,172 USD
View
15 more retailers have this diamond
Prices start from HK$34,174 HKDSave up to HK$45,628 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$34,174 HKD