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Round|Natural|GIA

1.09ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2566167756

Certificate GIA 2566167756

Diamond specifications and retailer prices

From HK$29,147 HKD
$3,715 USD
As of October 29, 2026
Save HK$26,573 HKD (48%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$55,720 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 2566167756. Listed at 11 retailers as of October 29, 2026, with prices from HK$29,147 to HK$55,720, a HK$26,573 spread on the same certified stone. NZ Jewellers lists it at HK$55,720. 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
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2566167756
Dimensions6.52 × 6.56 × 4.11 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.52 mm6.56 mm1.09 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566167756
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$55,720 HKD|Low: HK$28,831 HKD|High: HK$55,720 HKD|Avg: HK$36,702 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3HK$29,147 HKD
Retailer 5HK$29,273 HKD
Retailer 4HK$30,867 HKD
Retailer 7HK$30,912 HKD
Retailer 8HK$31,987 HKD
Retailer 10HK$31,987 HKD
Retailer 9HK$33,109 HKD
Retailer 11HK$34,294 HKD
Retailer 2HK$36,067 HKD
Retailer 6HK$53,776 HKD
NZ JewellersHK$55,720 HKD

38 data points across 11 retailers

11 retailersHK$29,147 HKD to HK$55,720 HKD

B+
Cheapest Retailer
-
HK$29,147 HKD
$3,715 USD
B+
Retailer 2
-
HK$29,273 HKD
£2,938 GBP
View
B+
Retailer 3
-
HK$30,867 HKD
£3,098 GBP
View
B+
Retailer 4
-
HK$30,912 HKD
$3,940 USD
View
B+
Retailer 5
-
HK$31,987 HKD
$4,077 USD
View
B+
Retailer 6
-
HK$31,987 HKD
$4,077 USD
View
B+
Retailer 7
-
HK$33,109 HKD
$4,220 USD
View
Retailer 8
-
HK$34,294 HKD
A$6,725 AUD
View
Price last confirmed 26 days ago
B+
Retailer 9
-
HK$36,067 HKD
$4,597 USD
View
B
Retailer 10
-
HK$53,776 HKD
£5,397 GBP
View
Most Expensive
B
NZ Jewellers
23bae50b-c1d2-4e30-9ff8-e181c07234c8 · Oct 30
HK$55,720 HKD
$7,102 USD
View
10 more retailers have this diamond
Prices start from HK$29,147 HKDSave up to HK$26,573 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$29,147 HKD