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Round|Natural|GIA

1.09ct F I1 Round Natural Diamond

EX • F/I1 • GIA 2558829087

Certificate GIA 2558829087

Diamond specifications and retailer prices

From $2,581 SGD
$2,018 USD
As of November 1, 2026
Save $3,337 SGD (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,917 SGD 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 $2,581 to $5,917, a $3,337 spread on the same certified stone. NZ Jewellers lists it at $5,917. 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: $5,917 SGD|Low: $2,581 SGD|High: $6,319 SGD|Avg: $3,524 SGD|-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$2,581 SGD
Retailer 5$2,769 SGD
Retailer 3$2,830 SGD
Retailer 6$2,830 SGD
Retailer 4$2,961 SGD
Retailer 7$3,266 SGD
Retailer 2$3,518 SGD
Retailer 9$3,694 SGD
NZ Jewellers$5,917 SGD

33 data points across 9 retailers

8 retailers$2,581 SGD to $5,917 SGD

A
Cheapest Retailer
-
$2,581 SGD
$2,018 USD
B+
Retailer 2
-
$2,769 SGD
$2,165 USD
View
B+
Retailer 3
-
$2,830 SGD
$2,213 USD
View
B+
Retailer 4
-
$2,830 SGD
$2,213 USD
View
B+
Retailer 5
-
$2,961 SGD
$2,315 USD
View
B+
Retailer 6
-
$3,266 SGD
$2,554 USD
View
B
Retailer 7
-
$3,518 SGD
€2,620 EUR
View
Most Expensive
B
NZ Jewellers
399c2595-8fa6-42ae-bbbd-61fcee193ae6 · Nov 2
$5,917 SGD
$4,627 USD
View
7 more retailers have this diamond
Prices start from $2,581 SGDSave up to $3,337 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
1.09ct Round
$2,581 SGD