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Round|Natural|GIA

0.45ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 3555267943

Certificate GIA 3555267943

Diamond specifications and retailer prices

From $525 NZD
As of November 6, 2026
Save $1,133 NZD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,942 NZD at NZ Jewellers · As of September 21, 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 3555267943. Listed at 19 retailers as of November 4, 2026, with a 216% 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

0.45
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3555267943
Dimensions4.91 × 4.88 × 3.06 mm
L/W Ratio1.01
Key to symbols
Cloud, Crystal, Feather
Top View
4.91 mm4.88 mm0.45 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555267943
Side View
Table 56.0%Crown 36°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.5%

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: $774 NZD|Low: $525 NZD|High: $1,716 NZD|Avg: $996 NZD|-1.4%
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
November 6, 2026
Retailer 8$525 NZD
Retailer 6$622 NZD
Retailer 7$687 NZD
Retailer 1$774 NZD
Retailer 5$810 NZD
Retailer 11$925 NZD
Retailer 13$938 NZD
Retailer 10$954 NZD
Retailer 3$1,030 NZD
Retailer 14$1,100 NZD
Retailer 2$1,120 NZD
Retailer 12$1,194 NZD
Retailer 9$1,447 NZD
Retailer 4$1,658 NZD

17 data points across 14 retailers

19 retailers$525 NZD to $1,658 NZD

A
Cheapest Retailer
-
$525 NZD
A
Retailer 2
-
$622 NZD
View
A
Retailer 3
-
$687 NZD
View
Retailer 4
-
$768 NZD
View
Price last confirmed 50 days ago
A
Retailer 5
-
$774 NZD
View
Retailer 6
-
$794 NZD
View
Price last confirmed 43 days ago
A
Retailer 7
-
$810 NZD
View
Retailer 8
-
$886 NZD
View
Price last confirmed 45 days ago
A
Retailer 9
-
$925 NZD
View
A
Retailer 10
-
$938 NZD
View
A
Retailer 11
-
$954 NZD
View
B+
Retailer 12
-
$1,030 NZD
View
B+
Retailer 13
-
$1,100 NZD
View
B+
Retailer 14
-
$1,120 NZD
View
B+
Retailer 15
-
$1,194 NZD
View
Retailer 16
-
$1,230 NZD
View
Price last confirmed 35 days ago
B+
Retailer 17
-
$1,447 NZD
View
B
Retailer 18
-
$1,658 NZD
View
Most Expensive
NZ Jewellers
6525f37d-a6ae-4f37-aa50-faa9e5c1aac3 · Sep 21
$2,942 NZD
$1,631 USD
View
Price last confirmed 46 days ago
18 more retailers have this diamond
Prices start from $525 NZDSave up to $1,133 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
$525 NZD