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Round|Natural|GIA

1.00ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 6555655554

Certificate GIA 6555655554

Diamond specifications and retailer prices

From $2,141 SGD
As of November 6, 2026
Save $2,888 SGD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,016 SGD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6555655554. Listed at 19 retailers as of November 4, 2026, with a 135% 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
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle31.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555655554
Dimensions6.44 × 6.47 × 3.94 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Pinpoint, Natural
Top View
6.44 mm6.47 mm1.00 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555655554
Side View
Table 60.0%Crown 31.5°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 61.0%

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: $2,145 SGD|Low: $2,141 SGD|High: $5,068 SGD|Avg: $3,159 SGD|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9$2,141 SGD
Retailer 1$2,145 SGD
Retailer 2$2,677 SGD
Retailer 8$2,746 SGD
Retailer 3$3,109 SGD
Retailer 4$3,301 SGD
Retailer 5$3,511 SGD
Retailer 6$3,648 SGD
Retailer 7$5,029 SGD

27 data points across 9 retailers

19 retailers$2,141 SGD to $5,029 SGD

A
Cheapest Retailer
-
$2,141 SGD
A
Retailer 2
-
$2,145 SGD
View
A
Retailer 3
-
$2,599 SGD
View
A
Retailer 4
-
$2,677 SGD
View
B+
Retailer 5
-
$2,723 SGD
View
B+
Retailer 6
-
$2,746 SGD
View
Retailer 7
-
$2,878 SGD
View
Price last confirmed 17 days ago
Retailer 8
-
$2,878 SGD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
$2,887 SGD
View
B+
Retailer 10
-
$2,974 SGD
View
Retailer 11
-
$3,011 SGD
View
Price last confirmed 22 days ago
B+
Retailer 12
-
$3,055 SGD
View
B+
Retailer 13
-
$3,109 SGD
View
B+
Retailer 14
-
$3,301 SGD
View
Retailer 15
-
$3,321 SGD
View
Price last confirmed 16 days ago
B+
Retailer 16
-
$3,511 SGD
View
B
Retailer 17
-
$3,648 SGD
View
B
Retailer 18
-
$5,029 SGD
View
Most Expensive
NZ Jewellers
e2a03c81-eade-41cb-9a75-dce9d7588871 · Oct 20
$6,016 SGD
$4,710 USD
View
Price last confirmed 16 days ago
18 more retailers have this diamond
Prices start from $2,141 SGDSave up to $2,888 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
$2,141 SGD