Round|Natural|GIA

0.45ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6502223906

Certificate GIA 6502223906

Diamond specifications and retailer prices

From $421 USD
As of November 6, 2026
Save $1,320 USD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,741 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 6502223906. Listed at 19 retailers as of November 4, 2026, with prices from $421 to $1,741, a $1,320 spread on the same certified stone. NZ Jewellers lists it at $1,741. 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
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6502223906
Dimensions4.89 × 4.92 × 3.08 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.89 mm4.92 mm0.45 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6502223906
Side View
Table 56.0%Crown 36°Girdle: MED-MEDPavilion 41°Culet: NoneDepth 62.8%

Caratlytics Score

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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: $1,741 USD|Low: $406 USD|High: $1,759 USD|Avg: $724 USD|+4.3%
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
November 6, 2026
Retailer 2$421 USD
Retailer 9$486 USD
Retailer 17$513 USD
Retailer 15$555 USD
Retailer 12$561 USD
Retailer 3$565 USD
Retailer 4$598 USD
Retailer 7$604 USD
Retailer 6$641 USD
Retailer 13$685 USD
Retailer 11$687 USD
Retailer 8$695 USD
Retailer 14$750 USD
Retailer 10$775 USD
Retailer 16$860 USD
Retailer 5$1,280 USD
NZ Jewellers$1,741 USD

24 data points across 17 retailers

19 retailers$421 USD to $1,741 USD

A
Cheapest Retailer
-
$421 USD
A
Retailer 2
-
$486 USD
View
A
Retailer 3
-
$513 USD
View
Final sale: no returns
A
Retailer 4
-
$555 USD
View
A
Retailer 5
-
$561 USD
View
A
Retailer 6
-
$565 USD
View
A
Retailer 7
-
$598 USD
View
Retailer 8
-
$604 USD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$641 USD
View
B+
Retailer 10
-
$685 USD
View
B+
Retailer 11
-
$687 USD
View
A
Retailer 12
-
$695 USD
View
B+
Retailer 13
-
$750 USD
View
B+
Retailer 14
-
$775 USD
View
Retailer 15
-
$843 USD
View
Price last confirmed 33 days ago
B+
Retailer 16
-
$860 USD
View
B
Retailer 17
-
$1,280 USD
View
B
Retailer 18
-
$1,312 USD
View
Most Expensive
B
NZ Jewellers
83de6d51-aecb-469d-86d7-d4206abe0ea4 · Nov 4
$1,741 USD
View
18 more retailers have this diamond
Prices start from $421 USDSave up to $1,320 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
$421 USD