CaratHunter
Plans
Round|Natural|GIA

0.55ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2547874242

Certificate GIA 2547874242

Diamond specifications and retailer prices

From $393 AUD
As of November 6, 2026
Save $1,828 AUD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,221 AUD at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2547874242. Listed at 12 retailers as of November 6, 2026, with prices from $393 to $2,221, a $1,828 spread on the same certified stone. NZ Jewellers lists it at $2,221. 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

0.55
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2547874242
Dimensions5.20 × 5.22 × 3.25 mm
L/W Ratio1.00
Top View
5.20 mm5.22 mm0.55 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547874242
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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: Nov 6
Current: $2,221 AUD|Low: $393 AUD|High: $2,471 AUD|Avg: $945 AUD|-10.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$393 AUD
Retailer 5$483 AUD
Retailer 11$587 AUD
Retailer 7$605 AUD
Retailer 4$624 AUD
Retailer 6$745 AUD
Retailer 10$830 AUD
Retailer 9$837 AUD
Retailer 8$949 AUD
Retailer 3$1,394 AUD
NZ Jewellers$2,221 AUD

30 data points across 11 retailers

12 retailers$393 AUD to $2,221 AUD

A
Cheapest Retailer
-
$393 AUD
Final sale: no returns
A
Retailer 2
-
$483 AUD
View
A
Retailer 3
-
$587 AUD
View
A
Retailer 4
-
$605 AUD
View
A
Retailer 5
-
$624 AUD
View
A
Retailer 6
-
$745 AUD
View
A
Retailer 7
-
$830 AUD
View
A
Retailer 8
-
$837 AUD
View
B+
Retailer 9
-
$949 AUD
View
Retailer 10
-
$1,044 AUD
View
Price last confirmed 35 days ago
Retailer 11
-
$1,394 AUD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
ffbf0e53-8e7b-4458-9d47-0a726c645c3c · Nov 6
$2,221 AUD
$1,526 USD
View
11 more retailers have this diamond
Prices start from $393 AUDSave up to $1,828 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.

A
0.55ct Round
$393 AUD