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Round|Natural|IGI

1.09ct I IF Round Natural Diamond

EX • I/IF • IGI 778651427

Shape and cutting style on the report: Round brilliant

Certificate IGI 778651427

Diamond specifications and retailer prices

From HK$18,971 HKD
₹230,282 INR
As of November 1, 2026
Save HK$29,492 HKD (61%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$48,463 HKD at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 778651427. Listed at 19 retailers as of October 30, 2026, with prices from HK$18,971 to HK$48,463, a HK$29,492 spread on the same certified stone. NZ Jewellers lists it at HK$48,463. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 778651427
Dimensions6.48 × 6.55 × 4.09 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.48 mm6.55 mm1.09 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 778651427
Side View
Table 55.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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: HK$24,871 HKD|Low: HK$18,926 HKD|High: HK$40,285 HKD|Avg: HK$25,076 HKD|-2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 4HK$18,971 HKD
Retailer 3HK$20,760 HKD
Retailer 11HK$20,791 HKD
Retailer 9HK$21,387 HKD
Retailer 2HK$23,184 HKD
Retailer 10HK$23,184 HKD
Retailer 1HK$24,871 HKD
Retailer 8HK$26,853 HKD
Retailer 6HK$27,029 HKD
Retailer 7HK$28,493 HKD
Retailer 5HK$38,770 HKD

35 data points across 11 retailers

19 retailersHK$18,971 HKD to HK$48,463 HKD

A
Cheapest Retailer
-
HK$18,971 HKD
₹230,282 INR
A
Retailer 2
-
HK$20,760 HKD
$2,646 USD
View
A
Retailer 3
-
HK$20,791 HKD
$2,650 USD
View
A
Retailer 4
-
HK$21,387 HKD
$2,726 USD
View
Final sale: no returns
A
Retailer 5
-
HK$22,721 HKD
$2,896 USD
View
Retailer 6
-
HK$23,184 HKD
$2,955 USD
View
Price last confirmed 55 days ago
Retailer 7
-
HK$23,184 HKD
$2,955 USD
View
Price last confirmed 29 days ago
A
Retailer 8
-
HK$23,184 HKD
$2,955 USD
View
Retailer 9
-
HK$24,071 HKD
$3,068 USD
View
Price last confirmed 33 days ago
A
Retailer 10
-
HK$24,871 HKD
£2,496 GBP
View
A
Retailer 11
-
HK$26,853 HKD
£2,695 GBP
View
A
Retailer 12
-
HK$27,029 HKD
€3,281 EUR
View
Retailer 13
-
HK$27,460 HKD
$3,500 USD
View
Price last confirmed 56 days ago
Retailer 14
-
HK$27,460 HKD
$3,500 USD
View
Price last confirmed 34 days ago
A
Retailer 15
-
HK$28,493 HKD
ZAR 58,671 ZAR
View
B+
Retailer 16
-
HK$38,770 HKD
£3,891 GBP
View
Retailer 17
-
HK$41,465 HKD
$5,285 USD
View
Price last confirmed 61 days ago
Retailer 18
-
HK$41,465 HKD
$5,285 USD
View
Price last confirmed 36 days ago
Most Expensive
B
NZ Jewellers
c028d8c0-c3d6-4dfc-a48f-a91af3848ce8 · Oct 30
HK$48,463 HKD
$6,177 USD
View
18 more retailers have this diamond
Prices start from HK$18,971 HKDSave up to HK$29,492 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.

A
1.09ct Round
HK$18,971 HKD