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Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6561210142

Certificate GIA 6561210142

Diamond specifications and retailer prices

From $2,673 SGD
As of November 6, 2026
Save $4,756 SGD (64%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,429 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 top-tier cut grade and certified by GIA 6561210142. Listed at 20 retailers as of November 5, 2026, with prices from $2,673 to $7,429, a $4,756 spread on the same certified stone. NZ Jewellers lists it at $7,429. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6561210142
Dimensions6.44 × 6.48 × 3.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Twinning Wisp, Feather, Indented Natural
Top View
6.44 mm6.48 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561210142
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.6%

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 6
Current: $7,429 SGD|Low: $2,673 SGD|High: $7,429 SGD|Avg: $4,244 SGD
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
November 6, 2026
Retailer 4$2,673 SGD
Retailer 8$2,775 SGD
Retailer 9$3,213 SGD
Retailer 3$3,230 SGD
Retailer 13$3,353 SGD
Retailer 2$3,472 SGD
Retailer 6$3,554 SGD
Retailer 7$3,554 SGD
Retailer 11$3,717 SGD
Retailer 10$3,718 SGD
Retailer 12$3,858 SGD
Retailer 14$4,134 SGD
Retailer 15$6,209 SGD
Retailer 5$6,363 SGD
NZ Jewellers$7,429 SGD

23 data points across 15 retailers

20 retailers$2,673 SGD to $7,429 SGD

A
Cheapest Retailer
-
$2,673 SGD
A
Retailer 2
-
$2,775 SGD
View
A
Retailer 3
-
$3,213 SGD
View
A
Retailer 4
-
$3,230 SGD
View
A
Retailer 5
-
$3,281 SGD
View
Final sale: no returns
A
Retailer 6
-
$3,282 SGD
View
B+
Retailer 7
-
$3,310 SGD
View
A
Retailer 8
-
$3,353 SGD
View
A
Retailer 9
-
$3,472 SGD
View
B+
Retailer 10
-
$3,554 SGD
View
Retailer 11
-
$3,554 SGD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$3,627 SGD
View
B+
Retailer 13
-
$3,717 SGD
View
B+
Retailer 14
-
$3,718 SGD
View
B+
Retailer 15
-
$3,735 SGD
View
B+
Retailer 16
-
$3,858 SGD
View
B+
Retailer 17
-
$4,134 SGD
View
B
Retailer 18
-
$6,209 SGD
View
Retailer 19
-
$6,363 SGD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
26258ee0-2dd5-48f7-a34f-52c222b25a27 · Nov 5
$7,429 SGD
$5,797 USD
View
19 more retailers have this diamond
Prices start from $2,673 SGDSave up to $4,756 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
$2,673 SGD