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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 €1,271 EUR
$1,425 USD
As of November 1, 2026
Save €2,553 EUR (67%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,823 EUR at NZ Jewellers · As of November 2, 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 November 1, 2026, with prices from €1,271 to €3,823, a €2,553 spread on the same certified stone. NZ Jewellers lists it at €3,823. 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: €3,823 EUR|Low: €1,271 EUR|High: €3,994 EUR|Avg: €1,874 EUR|-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€1,271 EUR
Retailer 13€1,316 EUR
Retailer 12€1,406 EUR
Retailer 11€1,420 EUR
Retailer 15€1,420 EUR
Retailer 3€1,485 EUR
Retailer 16€1,639 EUR
Retailer 4€1,676 EUR
Retailer 14€1,676 EUR
Retailer 9€1,730 EUR
Retailer 6€1,871 EUR
Retailer 5€2,032 EUR
Retailer 2€2,131 EUR
Retailer 7€2,198 EUR
Retailer 8€2,279 EUR
NZ Jewellers€3,823 EUR

25 data points across 16 retailers

12 retailers€1,271 EUR to €3,823 EUR

A
Cheapest Retailer
-
€1,271 EUR
$1,425 USD
A
Retailer 2
-
€1,316 EUR
$1,476 USD
View
A
Retailer 3
-
€1,406 EUR
$1,577 USD
View
A
Retailer 4
-
€1,420 EUR
$1,593 USD
View
A
Retailer 5
-
€1,420 EUR
$1,593 USD
View
A
Retailer 6
-
€1,485 EUR
$1,666 USD
View
A
Retailer 7
-
€1,639 EUR
$1,838 USD
View
B+
Retailer 8
-
€1,676 EUR
$1,880 USD
View
B+
Retailer 9
-
€1,676 EUR
$1,880 USD
View
B+
Retailer 10
-
€1,730 EUR
$1,940 USD
View
B+
Retailer 11
-
€2,131 EUR
View
Most Expensive
B
NZ Jewellers
2981c1ad-2555-45a5-956b-d7b97c5f533b · Nov 2
€3,823 EUR
$4,288 USD
View
11 more retailers have this diamond
Prices start from €1,271 EURSave up to €2,553 EUR

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
€1,271 EUR