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Round|Natural|GIA

0.45ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 5476366359

Certificate GIA 5476366359

Diamond specifications and retailer prices

From $422 SGD
As of November 4, 2026
Save $1,379 SGD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,834 SGD at NZ Jewellers · As of September 15, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5476366359. Listed at 16 retailers as of November 4, 2026, with a 327% 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5476366359
Dimensions4.90 × 4.86 × 3.02 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.90 mm4.86 mm0.45 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5476366359
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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 4
Current: $1,801 SGD|Low: $422 SGD|High: $1,834 SGD|Avg: $716 SGD|-1.8%
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
November 6, 2026
Retailer 7$422 SGD
Retailer 3$425 SGD
Retailer 11$459 SGD
Retailer 10$475 SGD
Retailer 9$482 SGD
Retailer 5$512 SGD
Retailer 4$574 SGD
Retailer 13$580 SGD
Retailer 2$602 SGD
Retailer 12$650 SGD
Retailer 6$855 SGD
Retailer 8$1,083 SGD
NZ Jewellers$1,801 SGD

40 data points across 13 retailers

16 retailers$422 SGD to $1,801 SGD

A
Cheapest Retailer
-
$422 SGD
A
Retailer 2
-
$425 SGD
View
Retailer 3
-
$433 SGD
View
Price last confirmed 51 days ago
Retailer 4
-
$459 SGD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$475 SGD
View
A
Retailer 6
-
$482 SGD
View
B+
Retailer 7
-
$574 SGD
View
B+
Retailer 8
-
$580 SGD
View
Retailer 9
-
$584 SGD
View
Price last confirmed 53 days ago
B+
Retailer 10
-
$602 SGD
View
B+
Retailer 11
-
$650 SGD
View
B+
Retailer 12
-
$717 SGD
View
B+
Retailer 13
-
$855 SGD
View
B
Retailer 14
-
$1,083 SGD
View
B
Retailer 15
-
$1,801 SGD
View
Most Expensive
NZ Jewellers
002be952-fe62-4d83-9b94-e61d8dcc6a1b · Sep 15
$1,834 SGD
$1,436 USD
View
Price last confirmed 52 days ago
15 more retailers have this diamond
Prices start from $422 SGDSave up to $1,379 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
$422 SGD