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Round|Natural|GIA

1.00ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1523168139

Certificate GIA 1523168139

Diamond specifications and retailer prices

From HK$20,659 HKD
As of November 6, 2026
Save HK$25,848 HKD (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$46,507 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1523168139. Listed at 23 retailers as of November 5, 2026, with prices from HK$20,659 to HK$46,507, a HK$25,848 spread on the same certified stone. NZ Jewellers lists it at HK$46,507. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1523168139
Dimensions6.33 × 6.29 × 3.97 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Cloud, Feather, Indented Natural, Natural
Top View
6.33 mm6.29 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1523168139
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

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$46,507 HKD|Low: HK$20,463 HKD|High: HK$46,915 HKD|Avg: HK$29,855 HKD
NZ Jewellers
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 6, 2026
Retailer 22HK$20,659 HKD
Retailer 17HK$20,667 HKD
Retailer 12HK$23,692 HKD
Retailer 10HK$24,633 HKD
Retailer 18HK$25,370 HKD
Retailer 2HK$25,542 HKD
Retailer 3HK$25,746 HKD
Retailer 8HK$26,475 HKD
Retailer 5HK$26,694 HKD
Retailer 7HK$26,694 HKD
Retailer 9HK$26,882 HKD
Retailer 20HK$27,447 HKD
Retailer 6HK$27,721 HKD
Retailer 4HK$27,823 HKD
Retailer 13HK$28,716 HKD
Retailer 19HK$30,190 HKD
Retailer 11HK$30,801 HKD
Retailer 16HK$32,580 HKD
Retailer 14HK$38,850 HKD
Retailer 15HK$39,939 HKD
Retailer 21HK$44,516 HKD
NZ JewellersHK$46,507 HKD

23 data points across 22 retailers

23 retailersHK$20,659 HKD to HK$46,507 HKD

A
Cheapest Retailer
-
HK$20,659 HKD
A
Retailer 2
-
HK$20,667 HKD
View
B+
Retailer 3
-
HK$23,692 HKD
View
B+
Retailer 4
-
HK$24,633 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$25,370 HKD
View
B+
Retailer 6
-
HK$25,542 HKD
View
B+
Retailer 7
-
HK$25,746 HKD
View
B+
Retailer 8
-
HK$26,475 HKD
View
Retailer 9
-
HK$26,694 HKD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
HK$26,694 HKD
View
B+
Retailer 11
-
HK$26,882 HKD
View
B+
Retailer 12
-
HK$27,447 HKD
View
B+
Retailer 13
-
HK$27,721 HKD
View
B+
Retailer 14
-
HK$27,823 HKD
View
B+
Retailer 15
-
HK$28,716 HKD
View
Retailer 16
-
HK$29,892 HKD
View
Price last confirmed 30 days ago
B+
Retailer 17
-
HK$30,190 HKD
View
B+
Retailer 18
-
HK$30,801 HKD
View
B+
Retailer 19
-
HK$32,580 HKD
View
B
Retailer 20
-
HK$38,850 HKD
View
B
Retailer 21
-
HK$39,939 HKD
View
B
Retailer 22
-
HK$44,516 HKD
View
Most Expensive
B
NZ Jewellers
f2a8293a-083b-4b96-913e-6d8a0722e6d1 · Nov 5
HK$46,507 HKD
$5,934 USD
View
22 more retailers have this diamond
Prices start from HK$20,659 HKDSave up to HK$25,848 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$20,659 HKD