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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 $3,806 NZD
HK$16,700 HKD
As of October 29, 2026
Save $7,071 NZD (65%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,877 NZD 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 $3,806 to $10,877, a $7,071 spread on the same certified stone. NZ Jewellers lists it at $10,877. 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: $10,877 NZD|Low: $3,806 NZD|High: $11,149 NZD|Avg: $6,087 NZD|+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 10$3,806 NZD
Retailer 6$4,549 NZD
Retailer 3$4,745 NZD
Retailer 2$5,021 NZD
Retailer 9$5,203 NZD
Retailer 12$5,335 NZD
Retailer 8$5,404 NZD
Retailer 11$5,651 NZD
Retailer 5$6,111 NZD
Retailer 4$7,983 NZD
Retailer 7$8,749 NZD
NZ Jewellers$10,877 NZD

28 data points across 12 retailers

12 retailers$3,806 NZD to $10,877 NZD

A
Cheapest Retailer
-
$3,806 NZD
HK$16,700 HKD
A
Retailer 2
-
$4,549 NZD
€2,433 EUR
View
A
Retailer 3
-
$4,745 NZD
$2,665 USD
View
A
Retailer 4
-
$5,021 NZD
£2,221 GBP
View
A
Retailer 5
-
$5,203 NZD
$2,922 USD
View
A
Retailer 6
-
$5,335 NZD
SGD 4,049 SGD
View
A
Retailer 7
-
$5,404 NZD
$3,035 USD
View
A
Retailer 8
-
$5,651 NZD
$3,174 USD
View
A
Retailer 9
-
$6,111 NZD
€3,269 EUR
View
Retailer 10
-
$7,983 NZD
€4,270 EUR
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$8,749 NZD
£3,869 GBP
View
Most Expensive
B
NZ Jewellers
4708152d-5e3d-4a33-9040-4d3188f0d887 · Oct 30
$10,877 NZD
$6,109 USD
View
11 more retailers have this diamond
Prices start from $3,806 NZDSave up to $7,071 NZD

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
$3,806 NZD