CaratHunter
Plans
Round|Natural|GIA

1.09ct F I1 Round Natural Diamond

EX • F/I1 • GIA 2558829087

Certificate GIA 2558829087

Diamond specifications and retailer prices

From €1,799 EUR
$2,018 USD
As of November 1, 2026
Save €2,326 EUR (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €4,125 EUR at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.09ct natural round diamond

This 1.09ct 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 2558829087. Listed at 8 retailers as of November 1, 2026, with prices from €1,799 to €4,125, a €2,326 spread on the same certified stone. NZ Jewellers lists it at €4,125. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
F
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2558829087
Dimensions6.55 × 6.57 × 4.08 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.55 mm6.57 mm1.09 ctF / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558829087
Side View
Table 59.0%Crown 36°GirdlePavilion 40.8°Culet: NoneDepth 62.1%

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: €4,125 EUR|Low: €1,799 EUR|High: €4,405 EUR|Avg: €2,450 EUR|-5.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8€1,799 EUR
Retailer 5€1,930 EUR
Retailer 3€1,973 EUR
Retailer 6€1,973 EUR
Retailer 4€2,064 EUR
Retailer 7€2,277 EUR
Retailer 2€2,458 EUR
Retailer 9€2,575 EUR
NZ Jewellers€4,125 EUR

33 data points across 9 retailers

8 retailers€1,799 EUR to €4,125 EUR

A
Cheapest Retailer
-
€1,799 EUR
$2,018 USD
B+
Retailer 2
-
€1,930 EUR
$2,165 USD
View
B+
Retailer 3
-
€1,973 EUR
$2,213 USD
View
B+
Retailer 4
-
€1,973 EUR
$2,213 USD
View
B+
Retailer 5
-
€2,064 EUR
$2,315 USD
View
B+
Retailer 6
-
€2,277 EUR
$2,554 USD
View
B+
Retailer 7
-
€2,458 EUR
View
Most Expensive
B
NZ Jewellers
399c2595-8fa6-42ae-bbbd-61fcee193ae6 · Nov 2
€4,125 EUR
$4,627 USD
View
7 more retailers have this diamond
Prices start from €1,799 EURSave up to €2,326 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
1.09ct Round
€1,799 EUR