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Round|Natural|GIA

1.01ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1528594271

Certificate GIA 1528594271

Diamond specifications and retailer prices

From HK$14,357 HKD
As of November 6, 2026
Save HK$25,199 HKD (64%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$39,555 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct 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 1528594271. Listed at 24 retailers as of November 5, 2026, with prices from HK$14,357 to HK$39,555, a HK$25,199 spread on the same certified stone. NZ Jewellers lists it at HK$39,555. 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

1.01
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1528594271
Dimensions6.43 × 6.47 × 4.00 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.43 mm6.47 mm1.01 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1528594271
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.0%

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$39,555 HKD|Low: HK$13,831 HKD|High: HK$39,555 HKD|Avg: HK$19,793 HKD
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 5
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Retailer 11
Retailer 12
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Retailer 16
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Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
November 6, 2026
Retailer 3HK$14,357 HKD
Retailer 11HK$15,322 HKD
Retailer 7HK$15,486 HKD
Retailer 6HK$15,824 HKD
Retailer 14HK$15,879 HKD
Retailer 15HK$16,036 HKD
Retailer 5HK$16,538 HKD
Retailer 10HK$17,142 HKD
Retailer 16HK$17,142 HKD
Retailer 17HK$17,259 HKD
Retailer 21HK$17,840 HKD
Retailer 27HK$17,934 HKD
Retailer 18HK$18,546 HKD
Retailer 19HK$18,679 HKD
Retailer 9HK$18,766 HKD
Retailer 2HK$19,770 HKD
Retailer 4HK$19,778 HKD
Retailer 8HK$19,848 HKD
Retailer 24HK$19,911 HKD
Retailer 13HK$20,476 HKD
Retailer 12HK$21,904 HKD
Retailer 22HK$21,959 HKD
Retailer 23HK$23,088 HKD
Retailer 26HK$23,120 HKD
Retailer 20HK$29,623 HKD
Retailer 25HK$33,052 HKD
NZ JewellersHK$39,555 HKD

8 data points across 27 retailers

24 retailersHK$14,357 HKD to HK$39,555 HKD

A
Cheapest Retailer
-
HK$14,357 HKD
Retailer 2
-
HK$15,322 HKD
View
Price last confirmed 11 days ago
B+
Retailer 3
-
HK$15,486 HKD
View
B+
Retailer 4
-
HK$15,824 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$15,879 HKD
View
B+
Retailer 6
-
HK$16,036 HKD
View
B+
Retailer 7
-
HK$16,538 HKD
View
Retailer 8
-
HK$17,142 HKD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
HK$17,142 HKD
View
B+
Retailer 10
-
HK$17,259 HKD
View
B+
Retailer 11
-
HK$17,840 HKD
View
B+
Retailer 12
-
HK$17,934 HKD
View
B
Retailer 13
-
HK$18,766 HKD
View
B+
Retailer 14
-
HK$19,770 HKD
View
B+
Retailer 15
-
HK$19,778 HKD
View
B+
Retailer 16
-
HK$19,848 HKD
View
B+
Retailer 17
-
HK$19,911 HKD
View
B
Retailer 18
-
HK$20,476 HKD
View
B
Retailer 19
-
HK$21,904 HKD
View
B
Retailer 20
-
HK$21,959 HKD
View
B
Retailer 21
-
HK$23,088 HKD
View
B
Retailer 22
-
HK$23,120 HKD
View
B
Retailer 23
-
HK$33,052 HKD
View
Most Expensive
B
NZ Jewellers
336cb102-bcce-4bca-b4e7-26d504e3e72e · Nov 5
HK$39,555 HKD
$5,042 USD
View
23 more retailers have this diamond
Prices start from HK$14,357 HKDSave up to HK$25,199 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
1.01ct Round
HK$14,357 HKD