Round|Natural|GIA

0.45ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6481858730

Certificate GIA 6481858730

Diamond specifications and retailer prices

From $584 USD
As of November 4, 2026
Save $1,248 USD (68%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,832 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6481858730. Listed at 15 retailers as of November 4, 2026, with prices from $584 to $1,832, a $1,248 spread on the same certified stone. NZ Jewellers lists it at $1,832. 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6481858730
Dimensions4.92 × 4.89 × 3.05 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Top View
4.92 mm4.89 mm0.45 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6481858730
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.4°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 4
Current: $812 USD|Low: $618 USD|High: $1,365 USD|Avg: $816 USD|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 7$629 USD
Retailer 9$644 USD
Retailer 3$651 USD
Retailer 8$714 USD
Retailer 2$774 USD
Retailer 1$812 USD
Retailer 6$878 USD
Retailer 4$905 USD
Retailer 5$1,347 USD

45 data points across 9 retailers

15 retailers$584 USD to $1,832 USD

A
Cheapest Retailer
-
$584 USD
A
Retailer 2
-
$588 USD
View
A
Retailer 3
-
$629 USD
View
A
Retailer 4
-
$651 USD
View
A
Retailer 5
-
$665 USD
View
B+
Retailer 6
-
$674 USD
View
B+
Retailer 7
-
$714 USD
View
B+
Retailer 8
-
$755 USD
View
B+
Retailer 9
-
$774 USD
View
B+
Retailer 10
-
$812 USD
View
Retailer 11
-
$878 USD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
$905 USD
View
B
Retailer 13
-
$1,314 USD
View
B
Retailer 14
-
$1,347 USD
View
Most Expensive
B
NZ Jewellers
da56ff39-5a04-448e-b7b5-04e6b2156d9f · Nov 4
$1,832 USD
View
14 more retailers have this diamond
Prices start from $584 USDSave up to $1,248 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
$584 USD