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0.45ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1539173361

Certificate GIA 1539173361

Diamond specifications and retailer prices

From $604 SGD
As of November 6, 2026
Save $1,648 SGD (73%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,252 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1539173361. Listed at 17 retailers as of November 4, 2026, with prices from $604 to $2,252, a $1,648 spread on the same certified stone. NZ Jewellers lists it at $2,252. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1539173361
Dimensions4.91 × 4.93 × 3.05 mm
L/W Ratio1.00
Culet sizeNone
Top View
4.91 mm4.93 mm0.45 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1539173361
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°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 6
Current: $786 SGD|Low: $743 SGD|High: $1,678 SGD|Avg: $1,053 SGD|+4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$786 SGD
Retailer 7$801 SGD
Retailer 5$910 SGD
Retailer 2$1,060 SGD
Retailer 6$1,079 SGD
Retailer 4$1,112 SGD
Retailer 3$1,656 SGD

44 data points across 7 retailers

17 retailers$604 SGD to $2,252 SGD

A
Cheapest Retailer
-
$604 SGD
A
Retailer 2
-
$651 SGD
View
A
Retailer 3
-
$677 SGD
View
Retailer 4
-
$701 SGD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$701 SGD
View
B+
Retailer 6
-
$751 SGD
View
B+
Retailer 7
-
$786 SGD
View
B+
Retailer 8
-
$797 SGD
View
B+
Retailer 9
-
$807 SGD
View
B+
Retailer 10
-
$807 SGD
View
B+
Retailer 11
-
$833 SGD
View
B
Retailer 12
-
$910 SGD
View
B+
Retailer 13
-
$1,060 SGD
View
Retailer 14
-
$1,079 SGD
View
Price last confirmed 33 days ago
B
Retailer 15
-
$1,112 SGD
View
B
Retailer 16
-
$1,656 SGD
View
Most Expensive
B
NZ Jewellers
160f74b9-cc40-462d-ab1a-a4f7c15d4546 · Nov 4
$2,252 SGD
$1,757 USD
View
16 more retailers have this diamond
Prices start from $604 SGDSave up to $1,648 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
$604 SGD