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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 $1,425 USD
As of November 1, 2026
Save $2,863 USD (67%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,288 USD 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 $1,425 to $4,288, a $2,863 spread on the same certified stone. NZ Jewellers lists it at $4,288. 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
Color
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: $4,288 USD|Low: $1,425 USD|High: $4,480 USD|Avg: $2,102 USD|-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$1,425 USD
Retailer 13$1,476 USD
Retailer 12$1,577 USD
Retailer 11$1,593 USD
Retailer 15$1,593 USD
Retailer 3$1,666 USD
Retailer 16$1,838 USD
Retailer 4$1,880 USD
Retailer 14$1,880 USD
Retailer 9$1,940 USD
Retailer 6$2,099 USD
Retailer 5$2,279 USD
Retailer 2$2,390 USD
Retailer 7$2,465 USD
Retailer 8$2,556 USD
NZ Jewellers$4,288 USD

25 data points across 16 retailers

12 retailers$1,425 USD to $4,288 USD

A
Cheapest Retailer
-
$1,425 USD
A
Retailer 2
-
$1,476 USD
View
A
Retailer 3
-
$1,577 USD
View
A
Retailer 4
-
$1,593 USD
View
A
Retailer 5
-
$1,593 USD
View
A
Retailer 6
-
$1,666 USD
View
A
Retailer 7
-
$1,838 USD
View
B+
Retailer 8
-
$1,880 USD
View
B+
Retailer 9
-
$1,880 USD
View
B+
Retailer 10
-
$1,940 USD
View
B+
Retailer 11
-
$2,390 USD
€2,276 EUR
View
Most Expensive
B
NZ Jewellers
2981c1ad-2555-45a5-956b-d7b97c5f533b · Oct 30
$4,288 USD
View
11 more retailers have this diamond
Prices start from $1,425 USDSave up to $2,863 USD

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
$1,425 USD