Round|Natural|GIA

1.09ct F I1 Round Natural Diamond

GD • F/I1 • GIA 2165905387

Certificate GIA 2165905387

Diamond specifications and retailer prices

From HK$28,693 HKD
$3,657 USD
As of November 2, 2026
Save HK$11,510 HKD (29%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$40,203 HKD 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 HK$28,693 to HK$40,203, a HK$11,510 spread on the same certified stone. Yorxs lists it at HK$40,203. 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: HK$28,693 HKD|Low: HK$28,317 HKD|High: HK$40,442 HKD|Avg: HK$37,083 HKD|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
November 2, 2026
Retailer 1HK$28,693 HKD
Retailer 2HK$37,253 HKD
Retailer 3HK$38,446 HKD
Retailer 4HK$38,446 HKD
Retailer 5HK$39,780 HKD
YorxsHK$40,203 HKD

23 data points across 6 retailers

6 retailersHK$28,693 HKD to HK$40,203 HKD

B
Cheapest Retailer
-
HK$28,693 HKD
$3,657 USD
C
Retailer 2
-
HK$37,253 HKD
$4,748 USD
View
C
Retailer 3
-
HK$38,446 HKD
$4,900 USD
View
C
Retailer 4
-
HK$38,446 HKD
$4,900 USD
View
C
Retailer 5
-
HK$39,780 HKD
$5,070 USD
View
Most Expensive
C
Yorxs
230051757 · Nov 2
HK$40,203 HKD
€4,880 EUR
View
5 more retailers have this diamond
Prices start from HK$28,693 HKDSave up to HK$11,510 HKD

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
HK$28,693 HKD