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Round|Natural|GIA

0.45ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7452975956

Certificate GIA 7452975956

Diamond specifications and retailer prices

From $301 SGD
As of November 6, 2026
Save $660 SGD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,728 SGD at NZ Jewellers · As of September 28, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7452975956. Listed at 15 retailers as of November 4, 2026, with a 219% 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7452975956
Dimensions4.94 × 4.88 × 3.02 mm
L/W Ratio1.01
Key to symbols
Feather, Cloud
Top View
4.94 mm4.88 mm0.45 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7452975956
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NDepth 61.6%

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: $301 SGD|Low: $301 SGD|High: $999 SGD|Avg: $572 SGD|-4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 1$301 SGD
Retailer 4$359 SGD
Retailer 5$450 SGD
Retailer 12$478 SGD
Retailer 2$482 SGD
Retailer 6$529 SGD
Retailer 8$567 SGD
Retailer 10$584 SGD
Retailer 9$650 SGD
Retailer 3$703 SGD
Retailer 7$705 SGD
Retailer 11$962 SGD

22 data points across 12 retailers

15 retailers$301 SGD to $962 SGD

A
Cheapest Retailer
-
$301 SGD
A
Retailer 2
-
$359 SGD
View
A
Retailer 3
-
$450 SGD
View
A
Retailer 4
-
$478 SGD
View
A
Retailer 5
-
$482 SGD
View
Retailer 6
-
$503 SGD
View
Price last confirmed 38 days ago
A
Retailer 7
-
$529 SGD
View
B+
Retailer 8
-
$567 SGD
View
B+
Retailer 9
-
$584 SGD
View
Retailer 10
-
$607 SGD
View
Price last confirmed 38 days ago
B+
Retailer 11
-
$650 SGD
View
B+
Retailer 12
-
$703 SGD
View
B+
Retailer 13
-
$705 SGD
View
B
Retailer 14
-
$962 SGD
View
Most Expensive
NZ Jewellers
3d161358-3166-49c8-b127-23b09c3c197c · Sep 28
$1,728 SGD
$1,353 USD
View
Price last confirmed 39 days ago
14 more retailers have this diamond
Prices start from $301 SGDSave up to $660 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
$301 SGD