CaratHunter
Plans
Round|Natural|GIA

1.05ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7423988908

Certificate GIA 7423988908

Diamond specifications and retailer prices

From HK$15,847 HKD
As of November 6, 2026
Save HK$28,677 HKD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$44,524 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 7423988908. Listed at 18 retailers as of November 5, 2026, with prices from HK$15,847 to HK$44,524, a HK$28,677 spread on the same certified stone. NZ Jewellers lists it at HK$44,524. 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
FluorescenceFaint
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7423988908
Dimensions6.54 × 6.51 × 4.06 mm
L/W Ratio1.00
Top View
6.54 mm6.51 mm1.05 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7423988908
Side View
Table 56.0%Crown 35°Girdle: MediumPavilion 41°Culet: NoneDepth 62.2%

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 6
Current: HK$44,524 HKD|Low: HK$14,781 HKD|High: HK$44,524 HKD|Avg: HK$25,609 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 6HK$15,847 HKD
Retailer 7HK$17,430 HKD
Retailer 8HK$17,807 HKD
Retailer 10HK$20,181 HKD
Retailer 3HK$22,407 HKD
Retailer 9HK$23,857 HKD
Retailer 5HK$23,959 HKD
Retailer 2HK$25,989 HKD
Retailer 4HK$37,212 HKD
NZ JewellersHK$44,524 HKD

43 data points across 10 retailers

18 retailersHK$15,847 HKD to HK$44,524 HKD

A
Cheapest Retailer
-
HK$15,847 HKD
A
Retailer 2
-
HK$17,430 HKD
View
A
Retailer 3
-
HK$17,438 HKD
View
A
Retailer 4
-
HK$17,807 HKD
View
Final sale: no returns
A
Retailer 5
-
HK$18,614 HKD
View
B+
Retailer 6
-
HK$19,296 HKD
View
Retailer 7
-
HK$19,296 HKD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
HK$20,181 HKD
View
B+
Retailer 9
-
HK$22,180 HKD
View
B+
Retailer 10
-
HK$22,180 HKD
View
B+
Retailer 11
-
HK$22,266 HKD
View
B+
Retailer 12
-
HK$22,407 HKD
View
B+
Retailer 13
-
HK$22,885 HKD
View
Retailer 14
-
HK$23,857 HKD
View
Price last confirmed 30 days ago
B+
Retailer 15
-
HK$23,959 HKD
View
B+
Retailer 16
-
HK$25,989 HKD
View
B
Retailer 17
-
HK$37,212 HKD
View
Most Expensive
B
NZ Jewellers
96e44543-1306-4d89-b4a9-f2289f918478 · Nov 5
HK$44,524 HKD
$5,681 USD
View
17 more retailers have this diamond
Prices start from HK$15,847 HKDSave up to HK$28,677 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$15,847 HKD