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Round|Natural|GIA

1.00ct F I1 Round Natural Diamond

EX • F/I1 • GIA 2504551405

Certificate GIA 2504551405

Diamond specifications and retailer prices

From $1,822 SGD
$1,425 USD
As of November 1, 2026
Save $3,660 SGD (67%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,482 SGD at NZ Jewellers · As of October 30, 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 2504551405. Listed at 12 retailers as of October 30, 2026, with prices from $1,822 to $5,482, a $3,660 spread on the same certified stone. NZ Jewellers lists it at $5,482. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
F
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2504551405
Dimensions6.41 × 6.36 × 3.97 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.41 mm6.36 mm1.00 ctF / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2504551405
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.2%

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 1
Current: $5,482 SGD|Low: $1,822 SGD|High: $5,727 SGD|Avg: $2,687 SGD|-4.3%
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
November 1, 2026
Retailer 10$1,822 SGD
Retailer 13$1,887 SGD
Retailer 12$2,016 SGD
Retailer 11$2,036 SGD
Retailer 15$2,036 SGD
Retailer 3$2,130 SGD
Retailer 16$2,350 SGD
Retailer 4$2,403 SGD
Retailer 14$2,403 SGD
Retailer 9$2,480 SGD
Retailer 6$2,683 SGD
Retailer 5$2,913 SGD
Retailer 2$3,055 SGD
Retailer 7$3,151 SGD
Retailer 8$3,268 SGD
NZ Jewellers$5,482 SGD

25 data points across 16 retailers

12 retailers$1,822 SGD to $5,482 SGD

A
Cheapest Retailer
-
$1,822 SGD
$1,425 USD
A
Retailer 2
-
$1,887 SGD
$1,476 USD
View
A
Retailer 3
-
$2,016 SGD
$1,577 USD
View
A
Retailer 4
-
$2,036 SGD
$1,593 USD
View
A
Retailer 5
-
$2,036 SGD
$1,593 USD
View
A
Retailer 6
-
$2,130 SGD
$1,666 USD
View
A
Retailer 7
-
$2,350 SGD
$1,838 USD
View
B+
Retailer 8
-
$2,403 SGD
$1,880 USD
View
B+
Retailer 9
-
$2,403 SGD
$1,880 USD
View
B+
Retailer 10
-
$2,480 SGD
$1,940 USD
View
B+
Retailer 11
-
$3,055 SGD
€2,276 EUR
View
Most Expensive
B
NZ Jewellers
2981c1ad-2555-45a5-956b-d7b97c5f533b · Oct 30
$5,482 SGD
$4,288 USD
View
11 more retailers have this diamond
Prices start from $1,822 SGDSave up to $3,660 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
$1,822 SGD