Round|Natural|GIA

1.05ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1523721555

Certificate GIA 1523721555

Diamond specifications and retailer prices

From HK$22,478 HKD
As of November 4, 2026
Save HK$25,801 HKD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$48,278 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1523721555. Listed at 20 retailers as of November 4, 2026, with prices from HK$22,478 to HK$48,278, a HK$25,801 spread on the same certified stone. NZ Jewellers lists it at HK$48,278. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1523721555
Dimensions6.50 × 6.48 × 4.04 mm
L/W Ratio1.00
Key to symbols
Twinning Wisp, Cloud, Feather, Crystal, Needle, Indented Natural
Top View
6.50 mm6.48 mm1.05 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1523721555
Side View
Table 57.0%Crown 34.5°Girdle: Sli. ThickPavilion 41°Culet: NoneDepth 62.4%

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 4
Current: HK$48,278 HKD|Low: HK$18,692 HKD|High: HK$48,278 HKD|Avg: HK$29,270 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
November 6, 2026
Retailer 5HK$22,478 HKD
Retailer 4HK$22,493 HKD
Retailer 3HK$22,924 HKD
Retailer 10HK$25,103 HKD
Retailer 13HK$25,103 HKD
Retailer 11HK$26,075 HKD
Retailer 2HK$26,514 HKD
Retailer 7HK$28,497 HKD
Retailer 14HK$28,967 HKD
Retailer 6HK$29,680 HKD
Retailer 9HK$30,252 HKD
Retailer 8HK$33,826 HKD
Retailer 12HK$46,586 HKD
NZ JewellersHK$48,278 HKD

31 data points across 14 retailers

20 retailersHK$22,478 HKD to HK$48,278 HKD

B+
Cheapest Retailer
-
HK$22,478 HKD
B+
Retailer 2
-
HK$22,493 HKD
View
B+
Retailer 3
-
HK$22,924 HKD
View
B+
Retailer 4
-
HK$23,457 HKD
View
Retailer 5
-
HK$25,103 HKD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$25,103 HKD
View
B
Retailer 7
-
HK$26,075 HKD
View
B+
Retailer 8
-
HK$26,514 HKD
View
B+
Retailer 9
-
HK$26,992 HKD
View
B+
Retailer 10
-
HK$28,497 HKD
View
B
Retailer 11
-
HK$28,528 HKD
View
B
Retailer 12
-
HK$28,528 HKD
View
B
Retailer 13
-
HK$28,967 HKD
View
B
Retailer 14
-
HK$29,469 HKD
View
Retailer 15
-
HK$29,680 HKD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
HK$30,252 HKD
View
Retailer 17
-
HK$31,397 HKD
View
Price last confirmed 14 days ago
B
Retailer 18
-
HK$33,826 HKD
View
Retailer 19
-
HK$46,586 HKD
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
1a135e1e-7c15-4aae-97a8-2c1afcc886a3 · Nov 5
HK$48,278 HKD
$6,160 USD
View
19 more retailers have this diamond
Prices start from HK$22,478 HKDSave up to HK$25,801 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+
1.05ct Round
HK$22,478 HKD