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Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6451475677

Certificate GIA 6451475677

Diamond specifications and retailer prices

From HK$20,487 HKD
As of November 6, 2026
Save HK$34,064 HKD (62%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$54,551 HKD at Diamond Quarter · As of November 6, 2026
View at Diamond Quarter

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 6451475677. Listed at 19 retailers as of November 6, 2026, with prices from HK$20,487 to HK$54,551, a HK$34,064 spread on the same certified stone. Diamond Quarter lists it at HK$54,551. 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
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6451475677
Dimensions6.46 × 6.42 × 3.93 mm
L/W Ratio1.01
Top View
6.46 mm6.42 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6451475677
Side View
Table 57.0%Crown 33°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 61.0%

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$29,053 HKD|Low: HK$20,487 HKD|High: HK$47,816 HKD|Avg: HK$29,253 HKD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 2HK$20,487 HKD
Retailer 7HK$20,761 HKD
Retailer 8HK$25,080 HKD
Retailer 3HK$25,542 HKD
Retailer 9HK$26,067 HKD
Retailer 4HK$28,936 HKD
Retailer 1HK$29,053 HKD
Retailer 6HK$30,166 HKD
Retailer 5HK$47,118 HKD

32 data points across 9 retailers

19 retailersHK$20,487 HKD to HK$54,551 HKD

A
Cheapest Retailer
-
HK$20,487 HKD
A
Retailer 2
-
HK$20,761 HKD
View
B+
Retailer 3
-
HK$24,633 HKD
View
B+
Retailer 4
-
HK$25,080 HKD
View
B+
Retailer 5
-
HK$25,542 HKD
View
B+
Retailer 6
-
HK$26,067 HKD
View
Final sale: no returns
Retailer 7
-
HK$26,443 HKD
View
Price last confirmed 110 days ago
Retailer 8
-
HK$28,254 HKD
View
Price last confirmed 9 days ago
B
Retailer 9
-
HK$28,254 HKD
View
B+
Retailer 10
-
HK$28,936 HKD
View
B+
Retailer 11
-
HK$29,053 HKD
View
B+
Retailer 12
-
HK$29,335 HKD
View
B+
Retailer 13
-
HK$29,390 HKD
View
B+
Retailer 14
-
HK$30,166 HKD
View
B
Retailer 15
-
HK$32,596 HKD
View
B
Retailer 16
-
HK$33,050 HKD
View
B
Retailer 17
-
HK$47,118 HKD
View
B
Retailer 18
-
HK$49,219 HKD
View
Most Expensive
B
Diamond Quarter
1.0SI2F64778F74N · Nov 6
HK$54,551 HKD
£5,481 GBP
View
18 more retailers have this diamond
Prices start from HK$20,487 HKDSave up to HK$34,064 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$20,487 HKD