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Round|Natural|IGI

1.09ct E IF Round Natural Diamond

EX • E/IF • IGI 811697518

Shape and cutting style on the report: Round brilliant

Certificate IGI 811697518

Diamond specifications and retailer prices

From HK$40,343 HKD
$5,142 USD
As of October 30, 2026
Save HK$27,522 HKD (41%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$77,374 HKD at NZ Jewellers · As of October 20, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 811697518. Listed at 13 retailers as of October 30, 2026, with a 68% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.3°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 811697518
Dimensions6.60 × 6.65 × 4.11 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.60 mm6.65 mm1.09 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 811697518
Side View
Table 54.0%Crown 34.3°Girdle: THN-MEDPavilion 40.9°CuletDepth 62.0%

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: Oct 30
Current: HK$77,374 HKD|Low: HK$39,378 HKD|High: HK$80,199 HKD|Avg: HK$52,894 HKD|-3.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 10HK$40,343 HKD
Retailer 2HK$41,266 HKD
Retailer 8HK$42,516 HKD
Retailer 9HK$42,994 HKD
Retailer 11HK$46,258 HKD
Retailer 7HK$47,285 HKD
Retailer 6HK$50,326 HKD
Retailer 3HK$53,374 HKD
Retailer 5HK$56,597 HKD
Retailer 4HK$67,865 HKD
NZ JewellersHK$77,374 HKD

34 data points across 11 retailers

13 retailersHK$40,343 HKD to HK$67,865 HKD

A
Cheapest Retailer
-
HK$40,343 HKD
$5,142 USD
A
Retailer 2
-
HK$41,266 HKD
£4,142 GBP
View
A
Retailer 3
-
HK$42,516 HKD
$5,419 USD
View
Final sale: no returns
A
Retailer 4
-
HK$42,994 HKD
$5,480 USD
View
Retailer 5
-
HK$46,258 HKD
$5,896 USD
View
Price last confirmed 16 days ago
Retailer 6
-
HK$46,258 HKD
$5,896 USD
View
Price last confirmed 10 days ago
A
Retailer 7
-
HK$47,285 HKD
$6,027 USD
View
A
Retailer 8
-
HK$50,326 HKD
€6,109 EUR
View
Retailer 9
-
HK$53,374 HKD
$6,803 USD
View
Price last confirmed 11 days ago
Retailer 10
-
HK$55,328 HKD
$7,052 USD
View
Price last confirmed 43 days ago
A
Retailer 11
-
HK$56,597 HKD
ZAR 116,538 ZAR
View
A
Retailer 12
-
HK$67,865 HKD
£6,811 GBP
View
Most Expensive
NZ Jewellers
5e0377fb-cead-4d75-b8f3-7cc88ac6a101 · Oct 20
HK$77,374 HKD
$9,862 USD
View
Price last confirmed 11 days ago
12 more retailers have this diamond
Prices start from HK$40,343 HKDSave up to HK$27,522 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$40,343 HKD