CaratHunter
Plans
Round|Natural|GIA

1.03ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2566647312

Certificate GIA 2566647312

Diamond specifications and retailer prices

From HK$14,703 HKD
As of November 6, 2026
Save HK$11,944 HKD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$26,647 HKD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566647312. Listed at 15 retailers as of November 6, 2026, with prices from HK$14,703 to HK$26,647, a HK$11,944 spread on the same certified stone. Helzberg Diamonds lists it at HK$26,647. 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

1.03
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2566647312
Dimensions6.46 × 6.49 × 4.01 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.46 mm6.49 mm1.03 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2566647312
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.9%

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$26,647 HKD|Low: HK$14,703 HKD|High: HK$28,512 HKD|Avg: HK$19,344 HKD|-6.5%
Helzberg Diamonds
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
November 6, 2026
Retailer 6HK$14,703 HKD
Retailer 2HK$14,750 HKD
Retailer 14HK$15,118 HKD
Retailer 5HK$15,291 HKD
Retailer 13HK$15,495 HKD
Retailer 10HK$16,067 HKD
Retailer 7HK$16,145 HKD
Retailer 4HK$16,192 HKD
Retailer 15HK$17,728 HKD
Retailer 8HK$18,810 HKD
Retailer 3HK$19,029 HKD
Retailer 12HK$21,349 HKD
Retailer 11HK$22,666 HKD
Retailer 9HK$24,225 HKD
Helzberg DiamondsHK$26,647 HKD

20 data points across 15 retailers

15 retailersHK$14,703 HKD to HK$26,647 HKD

A
Cheapest Retailer
-
HK$14,703 HKD
A
Retailer 2
-
HK$14,750 HKD
View
B+
Retailer 3
-
HK$15,118 HKD
View
B+
Retailer 4
-
HK$15,291 HKD
View
B+
Retailer 5
-
HK$15,495 HKD
View
B+
Retailer 6
-
HK$16,067 HKD
View
B+
Retailer 7
-
HK$16,145 HKD
View
B+
Retailer 8
-
HK$16,192 HKD
View
B+
Retailer 9
-
HK$17,728 HKD
View
B+
Retailer 10
-
HK$18,810 HKD
View
B+
Retailer 11
-
HK$19,029 HKD
View
B+
Retailer 12
-
HK$21,349 HKD
View
B
Retailer 13
-
HK$22,666 HKD
View
B
Retailer 14
-
HK$24,225 HKD
View
Most Expensive
B
Helzberg Diamonds
XZRILMMMKNJHI · Nov 6
HK$26,647 HKD
$3,400 USD
View
14 more retailers have this diamond
Prices start from HK$14,703 HKDSave up to HK$11,944 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
1.03ct Round
HK$14,703 HKD