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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 $3,626 AUD
As of November 4, 2026
Save $4,160 AUD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,785 AUD 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 $3,626 to $7,785, a $4,160 spread on the same certified stone. NZ Jewellers lists it at $7,785. 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: $7,785 AUD|Low: $3,736 AUD|High: $7,785 AUD|Avg: $5,327 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$3,736 AUD
Retailer 2$4,157 AUD
Retailer 3$4,567 AUD
Retailer 10$4,591 AUD
Retailer 9$4,773 AUD
Retailer 4$5,151 AUD
Retailer 6$5,191 AUD
Retailer 5$5,454 AUD
Retailer 7$7,452 AUD
NZ Jewellers$7,785 AUD

36 data points across 10 retailers

20 retailers$3,626 AUD to $7,785 AUD

B+
Cheapest Retailer
-
$3,626 AUD
B+
Retailer 2
-
$3,736 AUD
View
Final sale: no returns
B+
Retailer 3
-
$3,971 AUD
View
Retailer 4
-
$4,048 AUD
View
Price last confirmed 53 days ago
Retailer 5
-
$4,048 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$4,048 AUD
View
B+
Retailer 7
-
$4,093 AUD
View
B+
Retailer 8
-
$4,157 AUD
View
B+
Retailer 9
-
$4,567 AUD
View
B+
Retailer 10
-
$4,591 AUD
View
Retailer 11
-
$4,671 AUD
View
Price last confirmed 53 days ago
Retailer 12
-
$4,773 AUD
View
Price last confirmed 30 days ago
B
Retailer 13
-
$5,007 AUD
View
B
Retailer 14
-
$5,151 AUD
View
Retailer 15
-
$5,185 AUD
View
Price last confirmed 14 days ago
B
Retailer 16
-
$5,191 AUD
View
B
Retailer 17
-
$5,454 AUD
View
B
Retailer 18
-
$7,452 AUD
View
Retailer 19
-
$7,785 AUD
View
Price last confirmed 55 days ago
Most Expensive
B
NZ Jewellers
acec5e75-d24d-4ae9-b482-4a7f05aaadb2 · Nov 5
$7,785 AUD
$5,450 USD
View
19 more retailers have this diamond
Prices start from $3,626 AUDSave up to $4,160 AUD

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
$3,626 AUD