Round|Natural|GIA

0.55ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6565751839

Certificate GIA 6565751839

Diamond specifications and retailer prices

From $565 AUD
As of November 3, 2026
Save $1,822 AUD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,387 AUD at NZ Jewellers · As of November 2, 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 6565751839. Listed at 17 retailers as of November 2, 2026, with prices from $565 to $2,387, a $1,822 spread on the same certified stone. NZ Jewellers lists it at $2,387. 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 angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6565751839
Dimensions5.25 × 5.23 × 3.27 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
5.25 mm5.23 mm0.55 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565751839
Side View
Table 55.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NDepth 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 3
Current: $2,387 AUD|Low: $528 AUD|High: $2,387 AUD|Avg: $993 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 7, 2026
Retailer 12$565 AUD
Retailer 9$649 AUD
Retailer 6$652 AUD
Retailer 3$702 AUD
Retailer 8$761 AUD
Retailer 14$812 AUD
Retailer 7$819 AUD
Retailer 17$879 AUD
Retailer 4$924 AUD
Retailer 11$982 AUD
Retailer 10$1,033 AUD
Retailer 16$1,033 AUD
Retailer 13$1,057 AUD
Retailer 5$1,074 AUD
Retailer 2$1,231 AUD
Retailer 15$1,757 AUD
NZ Jewellers$2,387 AUD

12 data points across 17 retailers

17 retailers$565 AUD to $2,387 AUD

A
Cheapest Retailer
-
$565 AUD
A
Retailer 2
-
$649 AUD
View
A
Retailer 3
-
$652 AUD
View
A
Retailer 4
-
$761 AUD
View
A
Retailer 5
-
$763 AUD
View
B+
Retailer 6
-
$812 AUD
View
B+
Retailer 7
-
$819 AUD
View
B+
Retailer 8
-
$879 AUD
View
B+
Retailer 9
-
$924 AUD
View
B+
Retailer 10
-
$982 AUD
View
B+
Retailer 11
-
$1,033 AUD
View
B+
Retailer 12
-
$1,033 AUD
View
B+
Retailer 13
-
$1,057 AUD
View
B+
Retailer 14
-
$1,074 AUD
View
B
Retailer 15
-
$1,231 AUD
View
B
Retailer 16
-
$1,757 AUD
View
Most Expensive
B
NZ Jewellers
7d26b6c3-1f9c-411c-aead-8c9a3750660c · Nov 2
$2,387 AUD
$1,640 USD
View
16 more retailers have this diamond
Prices start from $565 AUDSave up to $1,822 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
$565 AUD