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Round|Natural|GIA

0.45ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1523229569

Certificate GIA 1523229569

Diamond specifications and retailer prices

From $249 SGD
As of November 6, 2026
Save $1,362 SGD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,708 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1523229569. Listed at 18 retailers as of November 4, 2026, with a 547% 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
FluorescenceStrong
Crown angle32°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1523229569
Dimensions4.99 × 4.96 × 3.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
4.99 mm4.96 mm0.45 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1523229569
Side View
Table 56.0%Crown 32°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.4%

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: $1,611 SGD|Low: $249 SGD|High: $1,611 SGD|Avg: $560 SGD
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
November 6, 2026
Retailer 2$249 SGD
Retailer 4$351 SGD
Retailer 13$355 SGD
Retailer 7$379 SGD
Retailer 5$396 SGD
Retailer 11$422 SGD
Retailer 8$446 SGD
Retailer 6$467 SGD
Retailer 14$479 SGD
Retailer 10$494 SGD
Retailer 9$602 SGD
Retailer 12$820 SGD
Retailer 3$1,070 SGD
NZ Jewellers$1,611 SGD

38 data points across 14 retailers

18 retailers$249 SGD to $1,611 SGD

A
Cheapest Retailer
-
$249 SGD
A
Retailer 2
-
$310 SGD
View
A
Retailer 3
-
$351 SGD
View
A
Retailer 4
-
$355 SGD
View
Retailer 5
-
$377 SGD
View
Price last confirmed 50 days ago
A
Retailer 6
-
$379 SGD
View
A
Retailer 7
-
$396 SGD
View
A
Retailer 8
-
$422 SGD
View
A
Retailer 9
-
$446 SGD
View
A
Retailer 10
-
$467 SGD
View
A
Retailer 11
-
$479 SGD
View
A
Retailer 12
-
$494 SGD
View
Retailer 13
-
$507 SGD
View
Price last confirmed 45 days ago
B+
Retailer 14
-
$602 SGD
View
B+
Retailer 15
-
$820 SGD
View
B
Retailer 16
-
$1,070 SGD
View
C
Retailer 17
-
$1,611 SGD
View
Most Expensive
NZ Jewellers
00322607-f4cd-432d-aa3c-c48732bef202 · Sep 21
$1,708 SGD
$1,337 USD
View
Price last confirmed 46 days ago
17 more retailers have this diamond
Prices start from $249 SGDSave up to $1,362 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
$249 SGD