Round|Natural|GIA

1.01ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2496215881

Certificate GIA 2496215881

Diamond specifications and retailer prices

From HK$15,400 HKD
As of November 4, 2026
Save HK$27,388 HKD (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$42,788 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 2496215881. Listed at 21 retailers as of November 4, 2026, with prices from HK$15,400 to HK$42,788, a HK$27,388 spread on the same certified stone. NZ Jewellers lists it at HK$42,788. 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
FluorescenceFaint
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2496215881
Dimensions6.39 × 6.34 × 3.95 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.39 mm6.34 mm1.01 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2496215881
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$21,527 HKD|Low: HK$15,400 HKD|High: HK$36,284 HKD|Avg: HK$22,422 HKD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 9HK$15,400 HKD
Retailer 3HK$16,161 HKD
Retailer 10HK$17,103 HKD
Retailer 4HK$18,515 HKD
Retailer 12HK$19,393 HKD
Retailer 2HK$20,084 HKD
Retailer 1HK$21,527 HKD
Retailer 11HK$22,924 HKD
Retailer 5HK$23,865 HKD
Retailer 6HK$24,155 HKD
Retailer 7HK$24,979 HKD
Retailer 8HK$35,758 HKD

44 data points across 12 retailers

21 retailersHK$15,400 HKD to HK$42,788 HKD

B+
Cheapest Retailer
-
HK$15,400 HKD
B+
Retailer 2
-
HK$16,161 HKD
View
B+
Retailer 3
-
HK$16,742 HKD
View
B+
Retailer 4
-
HK$17,103 HKD
View
Final sale: no returns
B
Retailer 5
-
HK$18,515 HKD
View
Retailer 6
-
HK$18,538 HKD
View
Price last confirmed 8 days ago
B
Retailer 7
-
HK$18,538 HKD
View
B
Retailer 8
-
HK$19,393 HKD
View
B+
Retailer 9
-
HK$20,084 HKD
View
B
Retailer 10
-
HK$21,339 HKD
View
B
Retailer 11
-
HK$21,339 HKD
View
B
Retailer 12
-
HK$21,394 HKD
View
B
Retailer 13
-
HK$21,527 HKD
View
B
Retailer 14
-
HK$22,045 HKD
View
Retailer 15
-
HK$22,924 HKD
View
Price last confirmed 30 days ago
B
Retailer 16
-
HK$23,496 HKD
View
B
Retailer 17
-
HK$23,865 HKD
View
B
Retailer 18
-
HK$24,155 HKD
View
B
Retailer 19
-
HK$24,979 HKD
View
B
Retailer 20
-
HK$35,758 HKD
View
Most Expensive
B
NZ Jewellers
397b1b1f-b2e4-4383-9624-cf1cedbd3da3 · Nov 5
HK$42,788 HKD
$5,454 USD
View
20 more retailers have this diamond
Prices start from HK$15,400 HKDSave up to HK$27,388 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.

B+
1.01ct Round
HK$15,400 HKD