Round|Natural|GIA

0.45ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2516565611

Certificate GIA 2516565611

Diamond specifications and retailer prices

From $588 USD
As of November 6, 2026
Save $1,642 USD (74%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,230 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 2516565611. Listed at 16 retailers as of November 4, 2026, with prices from $588 to $2,230, a $1,642 spread on the same certified stone. NZ Jewellers lists it at $2,230. 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
FluorescenceNone
Crown angle35.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2516565611
Dimensions4.89 × 4.86 × 3.05 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.89 mm4.86 mm0.45 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2516565611
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.7%

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: $2,230 USD|Low: $576 USD|High: $2,230 USD|Avg: $1,066 USD
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
November 6, 2026
Retailer 11$588 USD
Retailer 4$727 USD
Retailer 14$755 USD
Retailer 2$839 USD
Retailer 5$839 USD
Retailer 6$843 USD
Retailer 12$905 USD
Retailer 8$914 USD
Retailer 7$947 USD
Retailer 13$1,069 USD
Retailer 9$1,102 USD
Retailer 3$1,522 USD
Retailer 10$1,640 USD
NZ Jewellers$2,230 USD

41 data points across 14 retailers

16 retailers$588 USD to $2,230 USD

A
Cheapest Retailer
-
$588 USD
Retailer 2
-
$688 USD
View
Price last confirmed 82 days ago
B+
Retailer 3
-
$727 USD
View
B+
Retailer 4
-
$755 USD
View
B+
Retailer 5
-
$839 USD
View
B+
Retailer 6
-
$839 USD
View
B+
Retailer 7
-
$843 USD
View
B
Retailer 8
-
$905 USD
View
B+
Retailer 9
-
$914 USD
View
B+
Retailer 10
-
$947 USD
View
Retailer 11
-
$1,069 USD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
$1,102 USD
View
B
Retailer 13
-
$1,370 USD
View
B
Retailer 14
-
$1,522 USD
View
B
Retailer 15
-
$1,640 USD
View
Most Expensive
B
NZ Jewellers
18cc1ee0-904f-40e3-bef9-de8894133523 · Nov 4
$2,230 USD
View
15 more retailers have this diamond
Prices start from $588 USDSave up to $1,642 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
$588 USD