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1.30ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6565511617

Certificate GIA 6565511617

Diamond specifications and retailer prices

From HK$17,454 HKD
As of November 6, 2026
Save HK$16,341 HKD (48%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$33,795 HKD at With Clarity · As of November 6, 2026
View at With Clarity

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 6565511617. Listed at 6 retailers as of November 6, 2026, with prices from HK$17,454 to HK$33,795, a HK$16,341 spread on the same certified stone. With Clarity lists it at HK$33,795. 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
FluorescenceMedium
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6565511617
Dimensions6.93 × 6.98 × 4.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Cavity, Needle
Top View
6.93 mm6.98 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6565511617
Side View
Table 57.0%Crown 36.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.7%

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$17,454 HKD|Low: HK$17,454 HKD|High: HK$34,469 HKD|Avg: HK$24,175 HKD|-3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
With Clarity
November 6, 2026
Retailer 1HK$17,454 HKD
Retailer 4HK$18,810 HKD
Retailer 5HK$21,137 HKD
Retailer 3HK$23,747 HKD
Retailer 2HK$24,233 HKD
With ClarityHK$33,795 HKD

8 data points across 6 retailers

6 retailersHK$17,454 HKD to HK$33,795 HKD

A
Cheapest Retailer
-
HK$17,454 HKD
A
Retailer 2
-
HK$18,810 HKD
View
A
Retailer 3
-
HK$21,137 HKD
View
A
Retailer 4
-
HK$23,747 HKD
View
A
Retailer 5
-
HK$24,233 HKD
View
Most Expensive
B+
With Clarity
6565511617 · Nov 6
HK$33,795 HKD
$4,312 USD
View
5 more retailers have this diamond
Prices start from HK$17,454 HKDSave up to HK$16,341 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$17,454 HKD