Round|Natural|GIA

0.45ct D SI2 Round Natural Diamond

VG • D/SI2 • GIA 6555253863

Certificate GIA 6555253863

Diamond specifications and retailer prices

From $360 USD
As of October 29, 2026
Save $1,323 USD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,683 USD at NZ Jewellers · As of October 22, 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6555253863. Listed at 14 retailers as of October 22, 2026, with prices from $360 to $1,683, a $1,323 spread on the same certified stone. NZ Jewellers lists it at $1,683. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.45
Carat
D
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6555253863
Dimensions4.89 × 4.92 × 3.04 mm
L/W Ratio1.01
Top View
4.89 mm4.92 mm0.45 ctD / SI2
OriginNatural
CutVery Good
PolishGood
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6555253863
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

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: Oct 29
Current: $1,683 USD|Low: $360 USD|High: $1,715 USD|Avg: $592 USD|-1.9%
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
October 29, 2026
Retailer 4$360 USD
Retailer 5$380 USD
Retailer 10$418 USD
Retailer 9$485 USD
Retailer 13$494 USD
Retailer 2$503 USD
Retailer 8$527 USD
Retailer 12$576 USD
Retailer 11$610 USD
Retailer 3$619 USD
Retailer 7$659 USD
Retailer 6$708 USD
NZ Jewellers$1,683 USD

44 data points across 13 retailers

14 retailers$360 USD to $1,683 USD

A
Cheapest Retailer
-
$360 USD
A
Retailer 2
-
$380 USD
SGD 514 SGD
View
A
Retailer 3
-
$418 USD
SGD 565 SGD
View
A
Retailer 4
-
$485 USD
View
A
Retailer 5
-
$494 USD
View
B+
Retailer 6
-
$503 USD
£396 GBP
View
A
Retailer 7
-
$527 USD
View
B+
Retailer 8
-
$575 USD
View
A
Retailer 9
-
$576 USD
View
A
Retailer 10
-
$610 USD
£480 GBP
View
A
Retailer 11
-
$619 USD
View
B+
Retailer 12
-
$659 USD
€628 EUR
View
B+
Retailer 13
-
$708 USD
View
Most Expensive
B
NZ Jewellers
6624452f-6137-4094-9438-5fbdf9b6c527 · Oct 22
$1,683 USD
View
13 more retailers have this diamond
Prices start from $360 USDSave up to $1,323 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
$360 USD