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Round|Natural|GIA

0.55ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2556242216

Certificate GIA 2556242216

Diamond specifications and retailer prices

From $853 NZD
As of November 7, 2026
Save $1,452 NZD (63%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,132 NZD at NZ Jewellers · As of October 27, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556242216. Listed at 17 retailers as of November 2, 2026, with a 170% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2556242216
Dimensions5.24 × 5.27 × 3.26 mm
L/W Ratio1.01
Top View
5.24 mm5.27 mm0.55 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556242216
Side View
Table 55.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

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 7
Current: $3,132 NZD|Low: $853 NZD|High: $3,191 NZD|Avg: $1,325 NZD|-1.9%
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 4$853 NZD
Retailer 9$920 NZD
Retailer 5$989 NZD
Retailer 7$990 NZD
Retailer 12$1,048 NZD
Retailer 14$1,059 NZD
Retailer 8$1,075 NZD
Retailer 2$1,138 NZD
Retailer 3$1,153 NZD
Retailer 11$1,216 NZD
Retailer 13$1,248 NZD
Retailer 10$1,311 NZD
Retailer 16$1,353 NZD
Retailer 15$1,389 NZD
Retailer 6$1,402 NZD
Retailer 17$2,305 NZD
NZ Jewellers$3,132 NZD

34 data points across 17 retailers

17 retailers$853 NZD to $2,305 NZD

A
Cheapest Retailer
-
$853 NZD
A
Retailer 2
-
$920 NZD
View
Final sale: no returns
Retailer 3
-
$989 NZD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$990 NZD
View
A
Retailer 5
-
$1,048 NZD
View
A
Retailer 6
-
$1,059 NZD
View
Retailer 7
-
$1,075 NZD
View
Price last confirmed 13 days ago
A
Retailer 8
-
$1,138 NZD
View
Retailer 9
-
$1,153 NZD
View
Price last confirmed 11 days ago
A
Retailer 10
-
$1,216 NZD
View
A
Retailer 11
-
$1,248 NZD
View
B+
Retailer 12
-
$1,311 NZD
View
B+
Retailer 13
-
$1,353 NZD
View
B+
Retailer 14
-
$1,389 NZD
View
B+
Retailer 15
-
$1,402 NZD
View
B
Retailer 16
-
$2,305 NZD
View
Most Expensive
NZ Jewellers
99f2a013-994e-4241-a886-6dd9d7c10b25 · Oct 27
$3,132 NZD
$1,736 USD
View
Price last confirmed 11 days ago
16 more retailers have this diamond
Prices start from $853 NZDSave up to $1,452 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
$853 NZD