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Round|Natural|GIA

1.05ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1569260758

Certificate GIA 1569260758

Diamond specifications and retailer prices

From HK$19,155 HKD
As of November 6, 2026
Save HK$25,464 HKD (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$44,618 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1569260758. Listed at 22 retailers as of November 5, 2026, with prices from HK$19,155 to HK$44,618, a HK$25,464 spread on the same certified stone. NZ Jewellers lists it at HK$44,618. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1569260758
Dimensions6.44 × 6.48 × 4.05 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud
Top View
6.44 mm6.48 mm1.05 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1569260758
Side View
Table 57.0%Crown 35°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.7%

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$44,618 HKD|Low: HK$18,959 HKD|High: HK$44,618 HKD|Avg: HK$26,431 HKD
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 6, 2026
Retailer 3HK$19,155 HKD
Retailer 11HK$20,111 HKD
Retailer 4HK$20,377 HKD
Retailer 10HK$20,777 HKD
Retailer 6HK$20,808 HKD
Retailer 8HK$21,412 HKD
Retailer 7HK$23,199 HKD
Retailer 9HK$23,199 HKD
Retailer 5HK$24,092 HKD
Retailer 2HK$24,508 HKD
Retailer 19HK$25,040 HKD
Retailer 13HK$26,177 HKD
Retailer 18HK$26,412 HKD
Retailer 20HK$26,412 HKD
Retailer 12HK$26,773 HKD
Retailer 21HK$27,243 HKD
Retailer 17HK$27,274 HKD
Retailer 14HK$29,704 HKD
Retailer 15HK$31,256 HKD
Retailer 16HK$42,714 HKD
NZ JewellersHK$44,618 HKD

31 data points across 21 retailers

22 retailersHK$19,155 HKD to HK$44,618 HKD

A
Cheapest Retailer
-
HK$19,155 HKD
B+
Retailer 2
-
HK$20,111 HKD
View
B+
Retailer 3
-
HK$20,377 HKD
View
B+
Retailer 4
-
HK$20,777 HKD
View
B+
Retailer 5
-
HK$20,808 HKD
View
B+
Retailer 6
-
HK$20,808 HKD
View
B+
Retailer 7
-
HK$21,412 HKD
View
Final sale: no returns
B+
Retailer 8
-
HK$23,199 HKD
View
Retailer 9
-
HK$23,199 HKD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
HK$24,092 HKD
View
B+
Retailer 11
-
HK$24,508 HKD
View
B+
Retailer 12
-
HK$25,040 HKD
View
B+
Retailer 13
-
HK$26,177 HKD
View
B
Retailer 14
-
HK$26,412 HKD
View
B
Retailer 15
-
HK$26,412 HKD
View
B+
Retailer 16
-
HK$26,773 HKD
View
B+
Retailer 17
-
HK$27,243 HKD
View
B+
Retailer 18
-
HK$27,274 HKD
View
Retailer 19
-
HK$29,704 HKD
View
Price last confirmed 23 days ago
B
Retailer 20
-
HK$31,256 HKD
View
B
Retailer 21
-
HK$42,714 HKD
View
Most Expensive
B
NZ Jewellers
5559ed8d-e314-43eb-9985-a316c6eed3be · Nov 5
HK$44,618 HKD
$5,693 USD
View
21 more retailers have this diamond
Prices start from HK$19,155 HKDSave up to HK$25,464 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$19,155 HKD