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Round|Natural|GIA

0.45ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1533989187

Certificate GIA 1533989187

Diamond specifications and retailer prices

From $265 SGD
As of November 6, 2026
Save $1,394 SGD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,660 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 1533989187. Listed at 21 retailers as of November 4, 2026, with prices from $265 to $1,660, a $1,394 spread on the same certified stone. NZ Jewellers lists it at $1,660. 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
SymmetryVery Good
FluorescenceMedium
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1533989187
Dimensions4.92 × 4.86 × 3.03 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather
Top View
4.92 mm4.86 mm0.45 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1533989187
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.1%

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: $1,660 SGD|Low: $265 SGD|High: $1,724 SGD|Avg: $562 SGD|-2.5%
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 13$265 SGD
Retailer 19$290 SGD
Retailer 11$328 SGD
Retailer 7$367 SGD
Retailer 15$401 SGD
Retailer 10$410 SGD
Retailer 12$414 SGD
Retailer 2$428 SGD
Retailer 5$437 SGD
Retailer 16$459 SGD
Retailer 8$493 SGD
Retailer 18$513 SGD
Retailer 9$554 SGD
Retailer 3$570 SGD
Retailer 17$633 SGD
Retailer 6$654 SGD
Retailer 14$737 SGD
Retailer 4$845 SGD
NZ Jewellers$1,660 SGD

14 data points across 19 retailers

21 retailers$265 SGD to $1,660 SGD

A
Cheapest Retailer
-
$265 SGD
A
Retailer 2
-
$290 SGD
View
A
Retailer 3
-
$328 SGD
View
A
Retailer 4
-
$367 SGD
View
A
Retailer 5
-
$401 SGD
View
Retailer 6
-
$410 SGD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$414 SGD
View
A
Retailer 8
-
$428 SGD
View
A
Retailer 9
-
$437 SGD
View
A
Retailer 10
-
$459 SGD
View
Retailer 11
-
$481 SGD
View
Price last confirmed 51 days ago
A
Retailer 12
-
$493 SGD
View
A
Retailer 13
-
$513 SGD
View
Retailer 14
-
$554 SGD
View
Price last confirmed 7 days ago
A
Retailer 15
-
$570 SGD
View
A
Retailer 16
-
$633 SGD
View
A
Retailer 17
-
$654 SGD
View
Retailer 18
-
$705 SGD
View
Price last confirmed 38 days ago
B+
Retailer 19
-
$737 SGD
View
B+
Retailer 20
-
$845 SGD
View
Most Expensive
C
NZ Jewellers
557ebd78-ab8e-40a9-ac6c-43c110e4162f · Nov 4
$1,660 SGD
$1,295 USD
View
20 more retailers have this diamond
Prices start from $265 SGDSave up to $1,394 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
$265 SGD