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Round|Natural|GIA

1.05ct J VS1 Round Natural Diamond

EX • J/VS1 • GIA 6555664367

Certificate GIA 6555664367

Diamond specifications and retailer prices

From $3,150 SGD
As of November 2, 2026
Save $3,889 SGD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,039 SGD at NZ Jewellers · As of November 2, 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 6555664367. Listed at 15 retailers as of November 2, 2026, with prices from $3,150 to $7,039, a $3,889 spread on the same certified stone. NZ Jewellers lists it at $7,039. 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 angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6555664367
Dimensions6.49 × 6.45 × 4.05 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
6.49 mm6.45 mm1.05 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555664367
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

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 2
Current: $7,039 SGD|Low: $3,149 SGD|High: $7,171 SGD|Avg: $4,133 SGD|-1.8%
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
November 4, 2026
Retailer 8$3,150 SGD
Retailer 10$3,367 SGD
Retailer 13$3,367 SGD
Retailer 3$3,372 SGD
Retailer 7$3,497 SGD
Retailer 2$3,542 SGD
Retailer 6$3,787 SGD
Retailer 5$3,842 SGD
Retailer 12$3,886 SGD
Retailer 4$3,974 SGD
Retailer 11$4,138 SGD
Retailer 9$5,899 SGD
NZ Jewellers$7,039 SGD

30 data points across 13 retailers

15 retailers$3,150 SGD to $7,039 SGD

A
Cheapest Retailer
-
$3,150 SGD
B+
Retailer 2
-
$3,367 SGD
View
Retailer 3
-
$3,367 SGD
View
Price last confirmed 12 days ago
Retailer 4
-
$3,367 SGD
View
Price last confirmed 15 days ago
B+
Retailer 5
-
$3,372 SGD
View
B+
Retailer 6
-
$3,497 SGD
View
B+
Retailer 7
-
$3,542 SGD
View
B+
Retailer 8
-
$3,787 SGD
View
Retailer 9
-
$3,842 SGD
View
Price last confirmed 30 days ago
B
Retailer 10
-
$3,886 SGD
View
Retailer 11
-
$3,886 SGD
View
Price last confirmed 14 days ago
B+
Retailer 12
-
$3,974 SGD
View
B+
Retailer 13
-
$4,138 SGD
View
B
Retailer 14
-
$5,899 SGD
View
Most Expensive
B
NZ Jewellers
4f289140-bd03-4da5-aefa-f844c52f7146 · Nov 2
$7,039 SGD
$5,511 USD
View
14 more retailers have this diamond
Prices start from $3,150 SGDSave up to $3,889 SGD

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
$3,150 SGD