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Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

VG • F/SI2 • GIA 6421088086

Certificate GIA 6421088086

Diamond specifications and retailer prices

From $2,133 SGD
As of November 6, 2026
Save $3,854 SGD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,986 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 6421088086. Listed at 18 retailers as of November 5, 2026, with prices from $2,133 to $5,986, a $3,854 spread on the same certified stone. NZ Jewellers lists it at $5,986. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6421088086
Dimensions6.30 × 6.21 × 4.01 mm
L/W Ratio1.01
Top View
6.30 mm6.21 mm1.00 ctF / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6421088086
Side View
Table 56.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.1%

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: $5,986 SGD|Low: $2,099 SGD|High: $6,116 SGD|Avg: $3,141 SGD|-2.1%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 15$2,133 SGD
Retailer 16$2,299 SGD
Retailer 4$2,586 SGD
Retailer 2$2,589 SGD
Retailer 7$2,643 SGD
Retailer 8$2,712 SGD
Retailer 6$2,845 SGD
Retailer 9$2,863 SGD
Retailer 18$2,863 SGD
Retailer 10$2,887 SGD
Retailer 11$2,957 SGD
Retailer 5$2,995 SGD
Retailer 17$3,041 SGD
Retailer 12$3,093 SGD
Retailer 3$3,304 SGD
Retailer 13$3,550 SGD
Retailer 14$5,016 SGD
NZ Jewellers$5,986 SGD

31 data points across 18 retailers

18 retailers$2,133 SGD to $5,986 SGD

A
Cheapest Retailer
-
$2,133 SGD
A
Retailer 2
-
$2,299 SGD
View
A
Retailer 3
-
$2,586 SGD
View
A
Retailer 4
-
$2,589 SGD
View
B+
Retailer 5
-
$2,643 SGD
View
Final sale: no returns
A
Retailer 6
-
$2,712 SGD
View
B+
Retailer 7
-
$2,845 SGD
View
Retailer 8
-
$2,863 SGD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$2,863 SGD
View
A
Retailer 10
-
$2,957 SGD
View
B+
Retailer 11
-
$2,995 SGD
View
A
Retailer 12
-
$3,041 SGD
View
A
Retailer 13
-
$3,093 SGD
View
B+
Retailer 14
-
$3,304 SGD
View
B+
Retailer 15
-
$3,550 SGD
View
B
Retailer 16
-
$5,016 SGD
View
B
Retailer 17
-
$5,858 SGD
View
Most Expensive
B
NZ Jewellers
bed3291e-ec80-4058-af36-13a7973dc738 · Nov 5
$5,986 SGD
$4,671 USD
View
17 more retailers have this diamond
Prices start from $2,133 SGDSave up to $3,854 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
$2,133 SGD