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0.45ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2566515261

Certificate GIA 2566515261

Diamond specifications and retailer prices

From $347 SGD
As of November 6, 2026
Save $1,476 SGD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,824 SGD at NZ Jewellers · As of November 4, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566515261. Listed at 20 retailers as of November 4, 2026, with prices from $347 to $1,824, a $1,476 spread on the same certified stone. NZ Jewellers lists it at $1,824. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2566515261
Dimensions4.91 × 4.93 × 3.04 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather
Top View
4.91 mm4.93 mm0.45 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566515261
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.7%

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: $1,824 SGD|Low: $347 SGD|High: $1,863 SGD|Avg: $704 SGD|-2.1%
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 12$347 SGD
Retailer 4$410 SGD
Retailer 11$460 SGD
Retailer 19$475 SGD
Retailer 15$511 SGD
Retailer 10$524 SGD
Retailer 2$536 SGD
Retailer 18$610 SGD
Retailer 17$625 SGD
Retailer 7$641 SGD
Retailer 14$643 SGD
Retailer 5$686 SGD
Retailer 9$727 SGD
Retailer 3$741 SGD
Retailer 8$756 SGD
Retailer 16$793 SGD
Retailer 13$957 SGD
Retailer 6$1,096 SGD
NZ Jewellers$1,824 SGD

19 data points across 19 retailers

20 retailers$347 SGD to $1,824 SGD

A
Cheapest Retailer
-
$347 SGD
A
Retailer 2
-
$410 SGD
View
A
Retailer 3
-
$460 SGD
View
A
Retailer 4
-
$475 SGD
View
A
Retailer 5
-
$511 SGD
View
Retailer 6
-
$524 SGD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$536 SGD
View
A
Retailer 8
-
$542 SGD
View
B+
Retailer 9
-
$610 SGD
View
B+
Retailer 10
-
$625 SGD
View
B+
Retailer 11
-
$641 SGD
View
B+
Retailer 12
-
$643 SGD
View
B+
Retailer 13
-
$686 SGD
View
B+
Retailer 14
-
$727 SGD
View
B+
Retailer 15
-
$741 SGD
View
B+
Retailer 16
-
$756 SGD
View
B+
Retailer 17
-
$793 SGD
View
B
Retailer 18
-
$957 SGD
View
B
Retailer 19
-
$1,096 SGD
View
Most Expensive
B
NZ Jewellers
0a2bfe8e-fc94-4022-b8e1-13fced6c462f · Nov 4
$1,824 SGD
$1,423 USD
View
19 more retailers have this diamond
Prices start from $347 SGDSave up to $1,476 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
$347 SGD