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Round|Natural|GIA

0.45ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1533989187

Certificate GIA 1533989187

Diamond specifications and retailer prices

From $373 NZD
As of November 6, 2026
Save $1,992 NZD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,365 NZD at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 0.45ct natural round diamond

This 0.45ct natural round sits in the sub-half-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1533989187. Listed at 21 retailers as of November 6, 2026, with prices from $373 to $2,365, a $1,992 spread on the same certified stone. NZ Jewellers lists it at $2,365. 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

0.45
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1533989187
Dimensions4.92 × 4.86 × 3.03 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather
Top View
4.92 mm4.86 mm0.45 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1533989187
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.1%

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: $2,365 NZD|Low: $373 NZD|High: $2,426 NZD|Avg: $793 NZD|-1.3%
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
Retailer 18
Retailer 19
November 6, 2026
Retailer 13$373 NZD
Retailer 19$408 NZD
Retailer 11$462 NZD
Retailer 7$516 NZD
Retailer 15$565 NZD
Retailer 10$577 NZD
Retailer 12$583 NZD
Retailer 2$603 NZD
Retailer 5$615 NZD
Retailer 16$646 NZD
Retailer 8$695 NZD
Retailer 18$722 NZD
Retailer 9$779 NZD
Retailer 3$803 NZD
Retailer 17$891 NZD
Retailer 6$920 NZD
Retailer 14$1,037 NZD
Retailer 4$1,189 NZD
NZ Jewellers$2,365 NZD

14 data points across 19 retailers

21 retailers$373 NZD to $2,365 NZD

A
Cheapest Retailer
-
$373 NZD
A
Retailer 2
-
$408 NZD
View
A
Retailer 3
-
$462 NZD
View
A
Retailer 4
-
$516 NZD
View
A
Retailer 5
-
$565 NZD
View
Retailer 6
-
$577 NZD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$583 NZD
View
A
Retailer 8
-
$603 NZD
View
A
Retailer 9
-
$615 NZD
View
A
Retailer 10
-
$646 NZD
View
Retailer 11
-
$676 NZD
View
Price last confirmed 51 days ago
A
Retailer 12
-
$695 NZD
View
A
Retailer 13
-
$722 NZD
View
Retailer 14
-
$779 NZD
View
Price last confirmed 7 days ago
A
Retailer 15
-
$803 NZD
View
A
Retailer 16
-
$891 NZD
View
A
Retailer 17
-
$920 NZD
View
Retailer 18
-
$992 NZD
View
Price last confirmed 38 days ago
B+
Retailer 19
-
$1,037 NZD
View
B+
Retailer 20
-
$1,189 NZD
View
Most Expensive
C
NZ Jewellers
557ebd78-ab8e-40a9-ac6c-43c110e4162f · Nov 6
$2,365 NZD
$1,311 USD
View
20 more retailers have this diamond
Prices start from $373 NZDSave up to $1,992 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
0.45ct Round
$373 NZD