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Round|Natural|GIA

2.23ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 5553685141

Certificate GIA 5553685141

Diamond specifications and retailer prices

From $9,164 AUD
As of November 3, 2026
Save $7,374 AUD (45%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $16,538 AUD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 2.23ct natural round diamond

This 2.23ct natural round sits in the two to three carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5553685141. Listed at 7 retailers as of November 2, 2026, with prices from $9,164 to $16,538, a $7,374 spread on the same certified stone. NZ Jewellers lists it at $16,538. 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

2.23
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5553685141
Dimensions8.27 × 8.32 × 5.21 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Feather, Needle
Top View
8.27 mm8.32 mm2.23 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553685141
Side View
Table 58.0%Crown 35.5°GirdlePavilion 41.2°Culet: NoneDepth 62.8%

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: Nov 3
Current: $16,538 AUD|Low: $8,875 AUD|High: $16,781 AUD|Avg: $10,735 AUD|-1.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$8,875 AUD
Retailer 4$9,164 AUD
Retailer 5$9,557 AUD
Retailer 7$9,888 AUD
Retailer 6$10,039 AUD
Retailer 3$10,169 AUD
Retailer 2$11,127 AUD
NZ Jewellers$16,538 AUD

32 data points across 8 retailers

7 retailers$9,164 AUD to $16,538 AUD

B+
Cheapest Retailer
-
$9,164 AUD
B+
Retailer 2
-
$9,557 AUD
View
B+
Retailer 3
-
$9,888 AUD
View
B+
Retailer 4
-
$10,039 AUD
View
B+
Retailer 5
-
$10,169 AUD
View
B
Retailer 6
-
$11,127 AUD
View
Most Expensive
B
NZ Jewellers
d99096a2-4669-453e-8bcf-9d1130a809da · Nov 2
$16,538 AUD
$11,577 USD
View
6 more retailers have this diamond
Prices start from $9,164 AUDSave up to $7,374 AUD

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+
2.23ct Round
$9,164 AUD