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Round|Natural|GIA

0.45ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6552276477

Certificate GIA 6552276477

Diamond specifications and retailer prices

From $271 SGD
As of November 6, 2026
Save $603 SGD (69%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,741 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552276477. Listed at 17 retailers as of November 2, 2026, with a 223% 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6552276477
Dimensions4.91 × 4.87 × 3.07 mm
L/W Ratio1.01
Key to symbols
Feather, Twinning Wisp
Top View
4.91 mm4.87 mm0.45 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6552276477
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.8%

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: $519 SGD|Low: $271 SGD|High: $911 SGD|Avg: $553 SGD|+1.5%
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
November 6, 2026
Retailer 6$271 SGD
Retailer 10$293 SGD
Retailer 13$327 SGD
Retailer 11$433 SGD
Retailer 3$439 SGD
Retailer 2$447 SGD
Retailer 8$471 SGD
Retailer 1$519 SGD
Retailer 12$584 SGD
Retailer 9$646 SGD
Retailer 4$664 SGD
Retailer 7$755 SGD
Retailer 5$874 SGD

19 data points across 13 retailers

17 retailers$271 SGD to $874 SGD

A
Cheapest Retailer
-
$271 SGD
A
Retailer 2
-
$293 SGD
View
A
Retailer 3
-
$327 SGD
View
A
Retailer 4
-
$433 SGD
View
A
Retailer 5
-
$439 SGD
View
A
Retailer 6
-
$447 SGD
View
Retailer 7
-
$455 SGD
View
Price last confirmed 50 days ago
A
Retailer 8
-
$471 SGD
View
A
Retailer 9
-
$519 SGD
View
B+
Retailer 10
-
$584 SGD
View
Retailer 11
-
$612 SGD
View
Price last confirmed 45 days ago
B+
Retailer 12
-
$646 SGD
View
B+
Retailer 13
-
$664 SGD
View
Retailer 14
-
$728 SGD
View
Price last confirmed 35 days ago
B+
Retailer 15
-
$755 SGD
View
B+
Retailer 16
-
$874 SGD
View
Most Expensive
NZ Jewellers
9784c380-1b50-44cc-b081-f8013fd6a1e7 · Sep 21
$1,741 SGD
$1,363 USD
View
Price last confirmed 46 days ago
16 more retailers have this diamond
Prices start from $271 SGDSave up to $603 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
$271 SGD