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Round|Natural|GIA

1.05ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1568539086

Certificate GIA 1568539086

Diamond specifications and retailer prices

From HK$18,927 HKD
As of November 4, 2026
Save HK$25,252 HKD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$44,179 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 1568539086. Listed at 16 retailers as of November 4, 2026, with prices from HK$18,927 to HK$44,179, a HK$25,252 spread on the same certified stone. NZ Jewellers lists it at HK$44,179. 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
FluorescenceStrong
Crown angle32.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1568539086
Dimensions6.49 × 6.54 × 3.99 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural
Top View
6.49 mm6.54 mm1.05 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1568539086
Side View
Table 61.0%Crown 32.5°Girdle: Sli. ThickPavilion 41.4°Culet: NoneDepth 61.2%

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 4
Current: HK$44,179 HKD|Low: HK$18,927 HKD|High: HK$45,245 HKD|Avg: HK$24,377 HKD|-1.2%
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
November 6, 2026
Retailer 4HK$18,927 HKD
Retailer 13HK$19,241 HKD
Retailer 6HK$19,507 HKD
Retailer 2HK$20,220 HKD
Retailer 14HK$20,808 HKD
Retailer 3HK$21,130 HKD
Retailer 15HK$21,130 HKD
Retailer 5HK$21,631 HKD
Retailer 16HK$21,945 HKD
Retailer 9HK$22,235 HKD
Retailer 7HK$22,823 HKD
Retailer 8HK$24,382 HKD
Retailer 10HK$25,793 HKD
Retailer 11HK$26,224 HKD
Retailer 12HK$36,922 HKD
NZ JewellersHK$44,179 HKD

22 data points across 16 retailers

16 retailersHK$18,927 HKD to HK$44,179 HKD

A
Cheapest Retailer
-
HK$18,927 HKD
A
Retailer 2
-
HK$19,241 HKD
View
A
Retailer 3
-
HK$19,507 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$20,220 HKD
View
A
Retailer 5
-
HK$20,808 HKD
View
A
Retailer 6
-
HK$21,130 HKD
View
Retailer 7
-
HK$21,130 HKD
View
Price last confirmed 9 days ago
A
Retailer 8
-
HK$21,631 HKD
View
A
Retailer 9
-
HK$21,945 HKD
View
A
Retailer 10
-
HK$22,235 HKD
View
B+
Retailer 11
-
HK$22,823 HKD
View
B+
Retailer 12
-
HK$24,382 HKD
View
B+
Retailer 13
-
HK$25,793 HKD
View
B+
Retailer 14
-
HK$26,224 HKD
View
B
Retailer 15
-
HK$36,922 HKD
View
Most Expensive
B
NZ Jewellers
290dbc2f-2003-4c37-ba32-b61c12f1e6a1 · Nov 5
HK$44,179 HKD
$5,637 USD
View
15 more retailers have this diamond
Prices start from HK$18,927 HKDSave up to HK$25,252 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$18,927 HKD