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Round|Natural|GIA

1.00ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6441821726

Certificate GIA 6441821726

Diamond specifications and retailer prices

From HK$25,464 HKD
As of November 6, 2026
Save HK$28,262 HKD (53%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$58,773 HKD at NZ Jewellers · As of October 20, 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 6441821726. Listed at 22 retailers as of November 2, 2026, with a 111% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceFaint
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6441821726
Dimensions6.47 × 6.43 × 3.86 mm
L/W Ratio1.01
Star length50%
Top View
6.47 mm6.43 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6441821726
Side View
Table 62.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.0%

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 6
Current: HK$33,756 HKD|Low: HK$24,390 HKD|High: HK$54,376 HKD|Avg: HK$34,292 HKD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2HK$25,464 HKD
Retailer 8HK$26,334 HKD
Retailer 7HK$26,898 HKD
Retailer 9HK$28,207 HKD
Retailer 1HK$33,756 HKD
Retailer 6HK$34,657 HKD
Retailer 4HK$35,692 HKD
Retailer 10HK$35,982 HKD
Retailer 3HK$41,178 HKD
Retailer 5HK$53,725 HKD

41 data points across 10 retailers

22 retailersHK$25,464 HKD to HK$53,725 HKD

B+
Cheapest Retailer
-
HK$25,464 HKD
B+
Retailer 2
-
HK$26,334 HKD
View
B+
Retailer 3
-
HK$26,357 HKD
View
B+
Retailer 4
-
HK$26,898 HKD
View
B
Retailer 5
-
HK$28,207 HKD
View
Final sale: no returns
B+
Retailer 6
-
HK$29,194 HKD
View
B+
Retailer 7
-
HK$30,503 HKD
View
Retailer 8
-
HK$30,558 HKD
View
Price last confirmed 22 days ago
Retailer 9
-
HK$30,558 HKD
View
Price last confirmed 18 days ago
Retailer 10
-
HK$31,734 HKD
View
Price last confirmed 23 days ago
B+
Retailer 11
-
HK$33,756 HKD
View
B
Retailer 12
-
HK$34,485 HKD
View
B
Retailer 13
-
HK$34,485 HKD
View
B
Retailer 14
-
HK$34,657 HKD
View
Retailer 15
-
HK$35,260 HKD
View
Price last confirmed 20 days ago
B
Retailer 16
-
HK$35,660 HKD
View
B
Retailer 17
-
HK$35,692 HKD
View
Retailer 18
-
HK$35,982 HKD
View
Price last confirmed 29 days ago
Retailer 19
-
HK$38,168 HKD
View
Price last confirmed 15 days ago
B
Retailer 20
-
HK$41,178 HKD
View
B
Retailer 21
-
HK$53,725 HKD
View
Most Expensive
NZ Jewellers
eca354b8-503c-4be2-9e95-23624b3afd7e · Oct 20
HK$58,773 HKD
$7,499 USD
View
Price last confirmed 17 days ago
21 more retailers have this diamond
Prices start from HK$25,464 HKDSave up to HK$28,262 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+
1.00ct Round
HK$25,464 HKD