Round|Natural|GIA

1.09ct F I1 Round Natural Diamond

EX • F/I1 • GIA 2558829087

Certificate GIA 2558829087

Diamond specifications and retailer prices

From $2,018 USD
As of November 1, 2026
Save $2,609 USD (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,627 USD 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 $2,018 to $4,627, a $2,609 spread on the same certified stone. NZ Jewellers lists it at $4,627. 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
Color
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: $4,627 USD|Low: $2,018 USD|High: $4,941 USD|Avg: $2,755 USD|-5.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 8$2,018 USD
Retailer 5$2,165 USD
Retailer 3$2,213 USD
Retailer 6$2,213 USD
Retailer 4$2,315 USD
Retailer 7$2,554 USD
Retailer 2$2,751 USD
Retailer 9$2,889 USD
NZ Jewellers$4,627 USD

33 data points across 9 retailers

8 retailers$2,018 USD to $4,627 USD

A
Cheapest Retailer
-
$2,018 USD
B+
Retailer 2
-
$2,165 USD
View
B+
Retailer 3
-
$2,213 USD
View
B+
Retailer 4
-
$2,213 USD
View
B+
Retailer 5
-
$2,315 USD
View
B+
Retailer 6
-
$2,554 USD
View
B
Retailer 7
-
$2,751 USD
€2,620 EUR
View
Most Expensive
B
NZ Jewellers
399c2595-8fa6-42ae-bbbd-61fcee193ae6 · Nov 2
$4,627 USD
View
7 more retailers have this diamond
Prices start from $2,018 USDSave up to $2,609 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
1.09ct Round
$2,018 USD