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Round|Natural|GIA

1.00ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2567386401

Certificate GIA 2567386401

Diamond specifications and retailer prices

From $3,214 SGD
As of November 6, 2026
Save $4,232 SGD (57%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $7,446 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2567386401. Listed at 24 retailers as of November 5, 2026, with prices from $3,214 to $7,446, a $4,232 spread on the same certified stone. NZ Jewellers lists it at $7,446. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2567386401
Dimensions6.46 × 6.51 × 3.86 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Pinpoint, Indented Natural
Top View
6.46 mm6.51 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2567386401
Side View
Table 61.0%Crown 32.5°Girdle: MED-STKPavilion 41°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: $7,446 SGD|Low: $3,214 SGD|High: $7,446 SGD|Avg: $4,913 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
Retailer 16
Retailer 17
November 6, 2026
Retailer 17$3,214 SGD
Retailer 2$3,341 SGD
Retailer 9$3,902 SGD
Retailer 3$3,954 SGD
Retailer 15$4,038 SGD
Retailer 10$4,090 SGD
Retailer 5$4,274 SGD
Retailer 7$4,274 SGD
Retailer 12$4,369 SGD
Retailer 6$4,438 SGD
Retailer 11$4,479 SGD
Retailer 8$4,932 SGD
Retailer 13$4,974 SGD
Retailer 14$5,216 SGD
Retailer 4$6,958 SGD
Retailer 16$7,146 SGD
NZ Jewellers$7,446 SGD

22 data points across 17 retailers

24 retailers$3,214 SGD to $7,446 SGD

A
Cheapest Retailer
-
$3,214 SGD
A
Retailer 2
-
$3,341 SGD
View
B+
Retailer 3
-
$3,826 SGD
View
B+
Retailer 4
-
$3,885 SGD
View
B+
Retailer 5
-
$3,902 SGD
View
B+
Retailer 6
-
$3,945 SGD
View
Final sale: no returns
B+
Retailer 7
-
$3,954 SGD
View
B+
Retailer 8
-
$3,954 SGD
View
B+
Retailer 9
-
$4,038 SGD
View
B+
Retailer 10
-
$4,090 SGD
View
B+
Retailer 11
-
$4,274 SGD
View
Retailer 12
-
$4,274 SGD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$4,306 SGD
View
B+
Retailer 14
-
$4,369 SGD
View
B+
Retailer 15
-
$4,438 SGD
View
B+
Retailer 16
-
$4,457 SGD
View
B+
Retailer 17
-
$4,479 SGD
View
Retailer 18
-
$4,582 SGD
View
Price last confirmed 34 days ago
B+
Retailer 19
-
$4,932 SGD
View
B+
Retailer 20
-
$4,974 SGD
View
B+
Retailer 21
-
$5,216 SGD
View
Retailer 22
-
$6,958 SGD
View
Price last confirmed 10 days ago
B
Retailer 23
-
$7,146 SGD
View
Most Expensive
B
NZ Jewellers
ae5a5c0c-0bba-4116-9fc5-29900e583efa · Nov 5
$7,446 SGD
$5,810 USD
View
23 more retailers have this diamond
Prices start from $3,214 SGDSave up to $4,232 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
$3,214 SGD