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Round|Natural|GIA

1.09ct F I1 Round Natural Diamond

GD • F/I1 • GIA 2165905387

Certificate GIA 2165905387

Diamond specifications and retailer prices

From $5,218 AUD
$3,657 USD
As of November 2, 2026
Save $2,093 AUD (29%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $7,311 AUD at Yorxs · As of November 2, 2026
View at Yorxs

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 standard cut grade and certified by GIA 2165905387. Listed at 6 retailers as of November 2, 2026, with prices from $5,218 to $7,311, a $2,093 spread on the same certified stone. Yorxs lists it at $7,311. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.09
Carat
F
Colour
I1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2165905387
Dimensions6.60 × 6.52 × 4.07 mm
L/W Ratio1.01
Star length55%
Lower girdle85%
Culet sizeNone
Top View
6.60 mm6.52 mm1.09 ctF / I1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2165905387
Side View
Table 62.0%Crown 37.5°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 62.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $5,218 AUD|Low: $5,150 AUD|High: $7,355 AUD|Avg: $6,744 AUD|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
November 2, 2026
Retailer 1$5,218 AUD
Retailer 2$6,775 AUD
Retailer 3$6,992 AUD
Retailer 4$6,992 AUD
Retailer 5$7,234 AUD
Yorxs$7,311 AUD

23 data points across 6 retailers

6 retailers$5,218 AUD to $7,311 AUD

B
Cheapest Retailer
-
$5,218 AUD
$3,657 USD
C
Retailer 2
-
$6,775 AUD
$4,748 USD
View
C
Retailer 3
-
$6,992 AUD
$4,900 USD
View
C
Retailer 4
-
$6,992 AUD
$4,900 USD
View
C
Retailer 5
-
$7,234 AUD
$5,070 USD
View
Most Expensive
C
Yorxs
230051757 · Nov 2
$7,311 AUD
€4,880 EUR
View
5 more retailers have this diamond
Prices start from $5,218 AUDSave up to $2,093 AUD

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.

B
1.09ct Round
$5,218 AUD