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Round|Natural|GIA

0.55ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2284433391

Certificate GIA 2284433391

Diamond specifications and retailer prices

From $949 NZD
As of November 6, 2026
Save $1,411 NZD (60%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,222 NZD at NZ Jewellers · As of September 19, 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 2284433391. Listed at 19 retailers as of November 6, 2026, with a 149% 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
FluorescenceFaint
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2284433391
Dimensions5.28 × 5.25 × 3.26 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
5.28 mm5.25 mm0.55 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2284433391
Side View
Table 55.0%Crown 34°Girdle: ThickPavilion 40.8°Culet: NoneDepth 61.8%

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: $1,440 NZD|Low: $949 NZD|High: $2,399 NZD|Avg: $1,380 NZD
Retailer 1
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
November 7, 2026
Retailer 3$949 NZD
Retailer 15$1,028 NZD
Retailer 5$1,106 NZD
Retailer 6$1,106 NZD
Retailer 7$1,147 NZD
Retailer 8$1,162 NZD
Retailer 12$1,239 NZD
Retailer 13$1,270 NZD
Retailer 11$1,376 NZD
Retailer 2$1,380 NZD
Retailer 9$1,411 NZD
Retailer 1$1,440 NZD
Retailer 4$1,544 NZD
Retailer 14$1,584 NZD
Retailer 10$2,360 NZD

45 data points across 15 retailers

19 retailers$949 NZD to $2,360 NZD

A
Cheapest Retailer
-
$949 NZD
Final sale: no returns
A
Retailer 2
-
$972 NZD
View
A
Retailer 3
-
$1,028 NZD
View
A
Retailer 4
-
$1,106 NZD
View
A
Retailer 5
-
$1,106 NZD
View
A
Retailer 6
-
$1,162 NZD
View
Retailer 7
-
$1,185 NZD
View
Price last confirmed 46 days ago
A
Retailer 8
-
$1,239 NZD
View
A
Retailer 9
-
$1,265 NZD
View
B+
Retailer 10
-
$1,270 NZD
View
B+
Retailer 11
-
$1,376 NZD
View
B+
Retailer 12
-
$1,380 NZD
View
B+
Retailer 13
-
$1,411 NZD
View
B+
Retailer 14
-
$1,427 NZD
View
B+
Retailer 15
-
$1,440 NZD
View
Retailer 16
-
$1,544 NZD
View
Price last confirmed 34 days ago
B+
Retailer 17
-
$1,584 NZD
View
B
Retailer 18
-
$2,360 NZD
View
Most Expensive
NZ Jewellers
38c786df-3a29-455a-9df8-6aec4e2f05fd · Sep 19
$3,222 NZD
$1,786 USD
View
Price last confirmed 49 days ago
18 more retailers have this diamond
Prices start from $949 NZDSave up to $1,411 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
$949 NZD