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Round|Natural|GIA

1.09ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2245042567

Certificate GIA 2245042567

Diamond specifications and retailer prices

From HK$16,772 HKD
As of October 29, 2026
Save HK$31,161 HKD (65%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$47,934 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2245042567. Listed at 12 retailers as of October 29, 2026, with prices from HK$16,772 to HK$47,934, a HK$31,161 spread on the same certified stone. NZ Jewellers lists it at HK$47,934. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.09
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2245042567
Dimensions6.49 × 6.54 × 4.08 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Needle
Top View
6.49 mm6.54 mm1.09 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2245042567
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.6%

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 29
Current: HK$47,934 HKD|Low: HK$16,772 HKD|High: HK$49,134 HKD|Avg: HK$26,827 HKD|+15.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10HK$16,772 HKD
Retailer 6HK$20,045 HKD
Retailer 3HK$20,911 HKD
Retailer 2HK$22,128 HKD
Retailer 9HK$22,927 HKD
Retailer 12HK$23,510 HKD
Retailer 8HK$23,814 HKD
Retailer 11HK$24,904 HKD
Retailer 5HK$26,932 HKD
Retailer 4HK$35,179 HKD
Retailer 7HK$38,554 HKD
NZ JewellersHK$47,934 HKD

28 data points across 12 retailers

12 retailersHK$16,772 HKD to HK$47,934 HKD

A
Cheapest Retailer
-
HK$16,772 HKD
A
Retailer 2
-
HK$20,045 HKD
€2,433 EUR
View
A
Retailer 3
-
HK$20,911 HKD
$2,665 USD
View
A
Retailer 4
-
HK$22,128 HKD
£2,221 GBP
View
A
Retailer 5
-
HK$22,927 HKD
$2,922 USD
View
A
Retailer 6
-
HK$23,510 HKD
SGD 4,049 SGD
View
A
Retailer 7
-
HK$23,814 HKD
$3,035 USD
View
A
Retailer 8
-
HK$24,904 HKD
$3,174 USD
View
A
Retailer 9
-
HK$26,932 HKD
€3,269 EUR
View
Retailer 10
-
HK$35,179 HKD
€4,270 EUR
View
Price last confirmed 9 days ago
B+
Retailer 11
-
HK$38,554 HKD
£3,869 GBP
View
Most Expensive
B
NZ Jewellers
4708152d-5e3d-4a33-9040-4d3188f0d887 · Oct 30
HK$47,934 HKD
$6,109 USD
View
11 more retailers have this diamond
Prices start from HK$16,772 HKDSave up to HK$31,161 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$16,772 HKD