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Round|Natural|GIA

1.05ct J VS1 Round Natural Diamond

EX • J/VS1 • GIA 1559450154

Certificate GIA 1559450154

Diamond specifications and retailer prices

From HK$19,911 HKD
As of November 4, 2026
Save HK$22,845 HKD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$42,756 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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1559450154. Listed at 20 retailers as of November 4, 2026, with prices from HK$19,911 to HK$42,756, a HK$22,845 spread on the same certified stone. NZ Jewellers lists it at HK$42,756. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1559450154
Dimensions6.59 × 6.61 × 3.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud
Top View
6.59 mm6.61 mm1.05 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559450154
Side View
Table 61.0%Crown 32.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.5%

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$42,756 HKD|Low: HK$20,515 HKD|High: HK$42,756 HKD|Avg: HK$29,253 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8HK$20,515 HKD
Retailer 2HK$22,830 HKD
Retailer 3HK$25,081 HKD
Retailer 10HK$25,214 HKD
Retailer 9HK$26,211 HKD
Retailer 4HK$28,290 HKD
Retailer 6HK$28,509 HKD
Retailer 5HK$29,953 HKD
Retailer 7HK$40,928 HKD
NZ JewellersHK$42,756 HKD

36 data points across 10 retailers

20 retailersHK$19,911 HKD to HK$42,756 HKD

B+
Cheapest Retailer
-
HK$19,911 HKD
B+
Retailer 2
-
HK$20,515 HKD
View
Final sale: no returns
B+
Retailer 3
-
HK$21,810 HKD
View
Retailer 4
-
HK$22,233 HKD
View
Price last confirmed 53 days ago
Retailer 5
-
HK$22,233 HKD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$22,233 HKD
View
B+
Retailer 7
-
HK$22,476 HKD
View
B+
Retailer 8
-
HK$22,830 HKD
View
B+
Retailer 9
-
HK$25,081 HKD
View
B+
Retailer 10
-
HK$25,214 HKD
View
Retailer 11
-
HK$25,654 HKD
View
Price last confirmed 53 days ago
Retailer 12
-
HK$26,211 HKD
View
Price last confirmed 30 days ago
B
Retailer 13
-
HK$27,497 HKD
View
B
Retailer 14
-
HK$28,290 HKD
View
Retailer 15
-
HK$28,478 HKD
View
Price last confirmed 14 days ago
B
Retailer 16
-
HK$28,509 HKD
View
B
Retailer 17
-
HK$29,953 HKD
View
B
Retailer 18
-
HK$40,928 HKD
View
Retailer 19
-
HK$42,756 HKD
View
Price last confirmed 55 days ago
Most Expensive
B
NZ Jewellers
acec5e75-d24d-4ae9-b482-4a7f05aaadb2 · Nov 5
HK$42,756 HKD
$5,450 USD
View
19 more retailers have this diamond
Prices start from HK$19,911 HKDSave up to HK$22,845 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$19,911 HKD