Round|Natural|GIA

0.45ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1539173361

Certificate GIA 1539173361

Diamond specifications and retailer prices

From $471 USD
As of November 4, 2026
Save $1,286 USD (73%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,757 USD 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 $471 to $1,757, a $1,286 spread on the same certified stone. NZ Jewellers lists it at $1,757. 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
Color
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 4
Current: $613 USD|Low: $580 USD|High: $1,309 USD|Avg: $822 USD|+4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$613 USD
Retailer 7$625 USD
Retailer 5$710 USD
Retailer 2$827 USD
Retailer 6$842 USD
Retailer 4$868 USD
Retailer 3$1,292 USD

44 data points across 7 retailers

17 retailers$471 USD to $1,757 USD

A
Cheapest Retailer
-
$471 USD
A
Retailer 2
-
$508 USD
View
A
Retailer 3
-
$528 USD
View
Retailer 4
-
$547 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$547 USD
View
B+
Retailer 6
-
$586 USD
View
B+
Retailer 7
-
$613 USD
View
B+
Retailer 8
-
$622 USD
View
B+
Retailer 9
-
$630 USD
View
B+
Retailer 10
-
$630 USD
View
B+
Retailer 11
-
$650 USD
View
B
Retailer 12
-
$710 USD
View
B+
Retailer 13
-
$827 USD
View
Retailer 14
-
$842 USD
View
Price last confirmed 33 days ago
B
Retailer 15
-
$868 USD
View
B
Retailer 16
-
$1,292 USD
View
Most Expensive
B
NZ Jewellers
160f74b9-cc40-462d-ab1a-a4f7c15d4546 · Nov 4
$1,757 USD
View
16 more retailers have this diamond
Prices start from $471 USDSave up to $1,286 USD

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
$471 USD