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Round|Natural|GIA

0.55ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2547874242

Certificate GIA 2547874242

Diamond specifications and retailer prices

From $487 NZD
As of November 6, 2026
Save $2,302 NZD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,789 NZD at NZ Jewellers · As of November 4, 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 4, 2026, with prices from $487 to $2,789, a $2,302 spread on the same certified stone. NZ Jewellers lists it at $2,789. 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: $2,789 NZD|Low: $487 NZD|High: $3,063 NZD|Avg: $1,156 NZD|-9.0%
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$487 NZD
Retailer 5$599 NZD
Retailer 11$727 NZD
Retailer 7$750 NZD
Retailer 4$774 NZD
Retailer 6$924 NZD
Retailer 10$1,028 NZD
Retailer 9$1,037 NZD
Retailer 8$1,176 NZD
Retailer 3$1,728 NZD
NZ Jewellers$2,789 NZD

30 data points across 11 retailers

12 retailers$487 NZD to $2,789 NZD

A
Cheapest Retailer
-
$487 NZD
Final sale: no returns
A
Retailer 2
-
$599 NZD
View
A
Retailer 3
-
$727 NZD
View
A
Retailer 4
-
$750 NZD
View
A
Retailer 5
-
$774 NZD
View
A
Retailer 6
-
$924 NZD
View
A
Retailer 7
-
$1,028 NZD
View
A
Retailer 8
-
$1,037 NZD
View
B+
Retailer 9
-
$1,176 NZD
View
Retailer 10
-
$1,293 NZD
View
Price last confirmed 34 days ago
Retailer 11
-
$1,728 NZD
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
ffbf0e53-8e7b-4458-9d47-0a726c645c3c · Nov 4
$2,789 NZD
$1,546 USD
View
11 more retailers have this diamond
Prices start from $487 NZDSave up to $2,302 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
0.55ct Round
$487 NZD