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Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

VG • F/SI2 • GIA 6401807782

Certificate GIA 6401807782

Diamond specifications and retailer prices

From $2,198 SGD
As of November 6, 2026
Save $3,963 SGD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,161 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6401807782. Listed at 19 retailers as of November 5, 2026, with prices from $2,198 to $6,161, a $3,963 spread on the same certified stone. NZ Jewellers lists it at $6,161. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6401807782
Dimensions6.29 × 6.20 × 3.99 mm
L/W Ratio1.01
Top View
6.29 mm6.20 mm1.00 ctF / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6401807782
Side View
Table 58.0%Crown 37.5°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 63.9%

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: $2,663 SGD|Low: $2,027 SGD|High: $5,224 SGD|Avg: $3,015 SGD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6$2,198 SGD
Retailer 4$2,345 SGD
Retailer 7$2,412 SGD
Retailer 8$2,463 SGD
Retailer 1$2,663 SGD
Retailer 9$2,793 SGD
Retailer 2$3,183 SGD
Retailer 5$3,595 SGD
Retailer 3$5,148 SGD

41 data points across 9 retailers

19 retailers$2,198 SGD to $6,161 SGD

A
Cheapest Retailer
-
$2,198 SGD
A
Retailer 2
-
$2,345 SGD
View
A
Retailer 3
-
$2,391 SGD
View
A
Retailer 4
-
$2,412 SGD
View
B+
Retailer 5
-
$2,463 SGD
View
Final sale: no returns
A
Retailer 6
-
$2,598 SGD
View
A
Retailer 7
-
$2,663 SGD
View
A
Retailer 8
-
$2,670 SGD
View
Retailer 9
-
$2,670 SGD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$2,793 SGD
View
B+
Retailer 11
-
$3,080 SGD
View
B+
Retailer 12
-
$3,101 SGD
View
B+
Retailer 13
-
$3,101 SGD
View
B+
Retailer 14
-
$3,183 SGD
View
B+
Retailer 15
-
$3,204 SGD
View
B+
Retailer 16
-
$3,595 SGD
View
B
Retailer 17
-
$5,148 SGD
View
B
Retailer 18
-
$5,925 SGD
View
Most Expensive
B
NZ Jewellers
63dd54fe-2527-4189-b675-5507dba8d58d · Nov 5
$6,161 SGD
$4,807 USD
View
18 more retailers have this diamond
Prices start from $2,198 SGDSave up to $3,963 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
$2,198 SGD