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1.30ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 803680527

Shape and cutting style on the report: Round brilliant

Certificate IGI 803680527

Diamond specifications and retailer prices

From HK$12,905 HKD
As of November 1, 2026
Save HK$22,932 HKD (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$35,837 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 803680527. Listed at 16 retailers as of November 1, 2026, with prices from HK$12,905 to HK$35,837, a HK$22,932 spread on the same certified stone. NZ Jewellers lists it at HK$35,837. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 803680527
Dimensions6.88 × 6.94 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.88 mm6.94 mm1.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803680527
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$35,837 HKD|Low: HK$12,905 HKD|High: HK$35,837 HKD|Avg: HK$17,644 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
Retailer 15
Retailer 16
November 6, 2026
Retailer 6HK$12,905 HKD
Retailer 7HK$13,384 HKD
Retailer 2HK$14,059 HKD
Retailer 8HK$14,317 HKD
Retailer 14HK$14,694 HKD
Retailer 16HK$14,694 HKD
Retailer 4HK$15,102 HKD
Retailer 15HK$15,369 HKD
Retailer 5HK$15,769 HKD
Retailer 9HK$16,036 HKD
Retailer 3HK$16,953 HKD
Retailer 10HK$17,032 HKD
Retailer 11HK$17,926 HKD
Retailer 12HK$19,935 HKD
Retailer 13HK$25,669 HKD
NZ JewellersHK$35,837 HKD

21 data points across 16 retailers

16 retailersHK$12,905 HKD to HK$35,837 HKD

A
Cheapest Retailer
-
HK$12,905 HKD
A
Retailer 2
-
HK$13,384 HKD
View
A
Retailer 3
-
HK$14,059 HKD
View
A
Retailer 4
-
HK$14,317 HKD
View
Retailer 5
-
HK$14,694 HKD
View
Price last confirmed 8 days ago
A
Retailer 6
-
HK$14,694 HKD
View
A
Retailer 7
-
HK$15,102 HKD
View
A
Retailer 8
-
HK$15,369 HKD
View
A
Retailer 9
-
HK$15,769 HKD
View
A
Retailer 10
-
HK$16,036 HKD
View
A
Retailer 11
-
HK$16,953 HKD
View
A
Retailer 12
-
HK$17,032 HKD
View
A
Retailer 13
-
HK$17,926 HKD
View
B+
Retailer 14
-
HK$19,935 HKD
View
B+
Retailer 15
-
HK$25,669 HKD
View
Most Expensive
B
NZ Jewellers
3006bd38-023d-4a74-ae31-328dbbbb3290 · Nov 5
HK$35,837 HKD
$4,568 USD
View
15 more retailers have this diamond
Prices start from HK$12,905 HKDSave up to HK$22,932 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$12,905 HKD