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Round|Natural|GIA

1.05ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6565154005

Certificate GIA 6565154005

Diamond specifications and retailer prices

From HK$18,959 HKD
As of November 6, 2026
Save HK$25,871 HKD (58%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$44,830 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct 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 6565154005. Listed at 10 retailers as of November 5, 2026, with prices from HK$18,959 to HK$44,830, a HK$25,871 spread on the same certified stone. NZ Jewellers lists it at HK$44,830. 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

1.05
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6565154005
Dimensions6.42 × 6.45 × 4.02 mm
L/W Ratio1.00
Key to symbols
Crystal, Feather, Needle, Pinpoint, Cloud
Top View
6.42 mm6.45 mm1.05 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565154005
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.4%

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$44,830 HKD|Low: HK$18,959 HKD|High: HK$46,178 HKD|Avg: HK$28,915 HKD|-2.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9HK$18,959 HKD
Retailer 7HK$22,015 HKD
Retailer 10HK$23,426 HKD
Retailer 2HK$24,625 HKD
Retailer 5HK$25,730 HKD
Retailer 3HK$26,420 HKD
Retailer 8HK$26,726 HKD
Retailer 4HK$29,469 HKD
Retailer 6HK$42,918 HKD
NZ JewellersHK$44,830 HKD

20 data points across 10 retailers

10 retailersHK$18,959 HKD to HK$44,830 HKD

A
Cheapest Retailer
-
HK$18,959 HKD
A
Retailer 2
-
HK$22,015 HKD
View
Retailer 3
-
HK$23,426 HKD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
HK$24,625 HKD
View
B+
Retailer 5
-
HK$25,730 HKD
View
B+
Retailer 6
-
HK$26,420 HKD
View
B+
Retailer 7
-
HK$26,726 HKD
View
B+
Retailer 8
-
HK$29,469 HKD
View
B
Retailer 9
-
HK$42,918 HKD
View
Most Expensive
B
NZ Jewellers
a0ea82f5-239f-4be0-b24e-886fd76c7c48 · Nov 5
HK$44,830 HKD
$5,720 USD
View
9 more retailers have this diamond
Prices start from HK$18,959 HKDSave up to HK$25,871 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
1.05ct Round
HK$18,959 HKD