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Round|Natural|GIA

1.00ct J VS1 Round Natural Diamond

EX • J/VS1 • GIA 6525816997

Certificate GIA 6525816997

Diamond specifications and retailer prices

From $2,289 SGD
As of November 6, 2026
Save $2,940 SGD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,257 SGD at NZ Jewellers · As of September 24, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct 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 6525816997. Listed at 24 retailers as of November 4, 2026, with a 128% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6525816997
Dimensions6.36 × 6.31 × 4.01 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.36 mm6.31 mm1.00 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6525816997
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.3%

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: $2,391 SGD|Low: $2,289 SGD|High: $5,271 SGD|Avg: $3,277 SGD|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$2,289 SGD
Retailer 1$2,391 SGD
Retailer 7$2,438 SGD
Retailer 2$2,763 SGD
Retailer 4$3,191 SGD
Retailer 9$3,234 SGD
Retailer 5$3,431 SGD
Retailer 6$3,653 SGD
Retailer 3$3,685 SGD
Retailer 8$3,713 SGD
Retailer 10$5,229 SGD

34 data points across 11 retailers

24 retailers$2,289 SGD to $5,229 SGD

A
Cheapest Retailer
-
$2,289 SGD
A
Retailer 2
-
$2,391 SGD
View
A
Retailer 3
-
$2,438 SGD
View
B+
Retailer 4
-
$2,763 SGD
View
Final sale: no returns
B+
Retailer 5
-
$2,820 SGD
View
B+
Retailer 6
-
$2,865 SGD
View
B+
Retailer 7
-
$2,868 SGD
View
Retailer 8
-
$2,993 SGD
View
Price last confirmed 28 days ago
Retailer 9
-
$2,993 SGD
View
Price last confirmed 44 days ago
Retailer 10
-
$2,993 SGD
View
Price last confirmed 29 days ago
B+
Retailer 11
-
$3,091 SGD
View
Retailer 12
-
$3,132 SGD
View
Price last confirmed 38 days ago
B+
Retailer 13
-
$3,172 SGD
View
B+
Retailer 14
-
$3,191 SGD
View
B+
Retailer 15
-
$3,234 SGD
View
B+
Retailer 16
-
$3,431 SGD
View
Retailer 17
-
$3,454 SGD
View
Price last confirmed 28 days ago
Retailer 18
-
$3,454 SGD
View
Price last confirmed 44 days ago
B+
Retailer 19
-
$3,653 SGD
View
Retailer 20
-
$3,685 SGD
View
Price last confirmed 30 days ago
B+
Retailer 21
-
$3,713 SGD
View
B
Retailer 22
-
$5,229 SGD
View
Retailer 23
-
$6,257 SGD
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
048dd901-66ae-4728-8dea-8c054d493b97 · Sep 24
$6,257 SGD
$4,899 USD
View
Price last confirmed 42 days ago
23 more retailers have this diamond
Prices start from $2,289 SGDSave up to $2,940 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
1.00ct Round
$2,289 SGD