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Round|Natural|GIA

1.00ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 7526656191

Certificate GIA 7526656191

Diamond specifications and retailer prices

From HK$11,368 HKD
As of November 6, 2026
Save HK$21,825 HKD (66%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$33,193 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct 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 7526656191. Listed at 20 retailers as of November 5, 2026, with prices from HK$11,368 to HK$33,193, a HK$21,825 spread on the same certified stone. NZ Jewellers lists it at HK$33,193. 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

1.00
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7526656191
Dimensions6.38 × 6.34 × 3.99 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Pinpoint
Top View
6.38 mm6.34 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7526656191
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°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$11,368 HKD|Low: HK$11,368 HKD|High: HK$28,109 HKD|Avg: HK$16,751 HKD|-3.6%
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 1HK$11,368 HKD
Retailer 10HK$11,548 HKD
Retailer 2HK$14,341 HKD
Retailer 3HK$14,647 HKD
Retailer 4HK$14,984 HKD
Retailer 11HK$15,133 HKD
Retailer 5HK$16,051 HKD
Retailer 6HK$17,040 HKD
Retailer 7HK$19,378 HKD
Retailer 9HK$19,401 HKD
Retailer 8HK$27,741 HKD

28 data points across 11 retailers

20 retailersHK$11,368 HKD to HK$33,193 HKD

A
Cheapest Retailer
-
HK$11,368 HKD
A
Retailer 2
-
HK$11,548 HKD
View
B+
Retailer 3
-
HK$14,059 HKD
View
B+
Retailer 4
-
HK$14,341 HKD
View
B+
Retailer 5
-
HK$14,647 HKD
View
Final sale: no returns
B+
Retailer 6
-
HK$14,788 HKD
View
B+
Retailer 7
-
HK$14,984 HKD
View
B+
Retailer 8
-
HK$15,133 HKD
View
B+
Retailer 9
-
HK$15,879 HKD
View
Retailer 10
-
HK$15,879 HKD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
HK$16,051 HKD
View
B+
Retailer 12
-
HK$16,122 HKD
View
B+
Retailer 13
-
HK$16,961 HKD
View
B+
Retailer 14
-
HK$17,040 HKD
View
B
Retailer 15
-
HK$18,319 HKD
View
B+
Retailer 16
-
HK$19,378 HKD
View
B+
Retailer 17
-
HK$19,401 HKD
View
Retailer 18
-
HK$19,574 HKD
View
Price last confirmed 32 days ago
B
Retailer 19
-
HK$27,741 HKD
View
Most Expensive
B
NZ Jewellers
2a0b8fc2-4073-4b2e-ae37-93bc25de2e8c · Nov 5
HK$33,193 HKD
$4,231 USD
View
19 more retailers have this diamond
Prices start from HK$11,368 HKDSave up to HK$21,825 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
1.00ct Round
HK$11,368 HKD