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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 $372 SGD
As of November 6, 2026
Save $802 SGD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,083 SGD 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $487 SGD|Low: $372 SGD|High: $1,215 SGD|Avg: $708 SGD|-3.3%
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 7$372 SGD
Retailer 6$441 SGD
Retailer 1$487 SGD
Retailer 4$549 SGD
Retailer 5$574 SGD
Retailer 10$655 SGD
Retailer 12$664 SGD
Retailer 9$676 SGD
Retailer 2$729 SGD
Retailer 13$779 SGD
Retailer 14$793 SGD
Retailer 11$846 SGD
Retailer 8$1,024 SGD
Retailer 3$1,174 SGD

17 data points across 14 retailers

19 retailers$372 SGD to $1,174 SGD

A
Cheapest Retailer
-
$372 SGD
A
Retailer 2
-
$441 SGD
View
A
Retailer 3
-
$487 SGD
View
Retailer 4
-
$544 SGD
View
Price last confirmed 50 days ago
A
Retailer 5
-
$549 SGD
View
Retailer 6
-
$562 SGD
View
Price last confirmed 43 days ago
A
Retailer 7
-
$574 SGD
View
Retailer 8
-
$627 SGD
View
Price last confirmed 45 days ago
A
Retailer 9
-
$655 SGD
View
A
Retailer 10
-
$664 SGD
View
A
Retailer 11
-
$676 SGD
View
B+
Retailer 12
-
$729 SGD
View
B+
Retailer 13
-
$779 SGD
View
B+
Retailer 14
-
$793 SGD
View
B+
Retailer 15
-
$846 SGD
View
Retailer 16
-
$871 SGD
View
Price last confirmed 35 days ago
B+
Retailer 17
-
$1,024 SGD
View
B
Retailer 18
-
$1,174 SGD
View
Most Expensive
NZ Jewellers
6525f37d-a6ae-4f37-aa50-faa9e5c1aac3 · Sep 21
$2,083 SGD
$1,631 USD
View
Price last confirmed 46 days ago
18 more retailers have this diamond
Prices start from $372 SGDSave up to $802 SGD

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
$372 SGD