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Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6561210142

Certificate GIA 6561210142

Diamond specifications and retailer prices

From HK$16,349 HKD
As of November 6, 2026
Save HK$26,404 HKD (62%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$42,753 HKD at NZ Jewellers · As of November 7, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561210142. Listed at 20 retailers as of November 6, 2026, with prices from HK$16,349 to HK$42,753, a HK$26,404 spread on the same certified stone. NZ Jewellers lists it at HK$42,753. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6561210142
Dimensions6.44 × 6.48 × 3.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Twinning Wisp, Feather, Indented Natural
Top View
6.44 mm6.48 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561210142
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.6%

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$42,753 HKD|Low: HK$16,349 HKD|High: HK$45,433 HKD|Avg: HK$25,936 HKD|-5.9%
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
November 7, 2026
Retailer 4HK$16,349 HKD
Retailer 9HK$16,968 HKD
Retailer 10HK$19,648 HKD
Retailer 3HK$19,750 HKD
Retailer 13HK$20,503 HKD
Retailer 8HK$21,232 HKD
Retailer 6HK$21,733 HKD
Retailer 7HK$21,733 HKD
Retailer 11HK$22,736 HKD
Retailer 2HK$22,862 HKD
Retailer 12HK$23,591 HKD
Retailer 14HK$25,283 HKD
Retailer 15HK$37,972 HKD
Retailer 5HK$38,913 HKD
NZ JewellersHK$42,753 HKD

24 data points across 15 retailers

20 retailersHK$16,349 HKD to HK$42,753 HKD

A
Cheapest Retailer
-
HK$16,349 HKD
A
Retailer 2
-
HK$16,968 HKD
View
A
Retailer 3
-
HK$19,648 HKD
View
A
Retailer 4
-
HK$19,750 HKD
View
A
Retailer 5
-
HK$20,064 HKD
View
Final sale: no returns
A
Retailer 6
-
HK$20,072 HKD
View
B+
Retailer 7
-
HK$20,244 HKD
View
A
Retailer 8
-
HK$20,503 HKD
View
A
Retailer 9
-
HK$21,232 HKD
View
B+
Retailer 10
-
HK$21,733 HKD
View
Retailer 11
-
HK$21,733 HKD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
HK$22,180 HKD
View
B+
Retailer 13
-
HK$22,736 HKD
View
B+
Retailer 14
-
HK$22,838 HKD
View
B+
Retailer 15
-
HK$22,862 HKD
View
B+
Retailer 16
-
HK$23,591 HKD
View
B+
Retailer 17
-
HK$25,283 HKD
View
B
Retailer 18
-
HK$37,972 HKD
View
Retailer 19
-
HK$38,913 HKD
View
Price last confirmed 10 days ago
Most Expensive
B
NZ Jewellers
45aa34dd-fba1-4172-974c-a564437bc92c · Nov 7
HK$42,753 HKD
$5,455 USD
View
19 more retailers have this diamond
Prices start from HK$16,349 HKDSave up to HK$26,404 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$16,349 HKD