Round|Natural|GIA

0.45ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1563713803

Certificate GIA 1563713803

Diamond specifications and retailer prices

From $257 USD
As of November 6, 2026
Save $1,132 USD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,389 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1563713803. Listed at 14 retailers as of November 4, 2026, with prices from $257 to $1,389, a $1,132 spread on the same certified stone. NZ Jewellers lists it at $1,389. 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
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1563713803
Dimensions4.85 × 4.88 × 3.04 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal, Cloud
Top View
4.85 mm4.88 mm0.45 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1563713803
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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 6
Current: $1,389 USD|Low: $257 USD|High: $1,415 USD|Avg: $548 USD|-1.8%
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 2$257 USD
Retailer 6$307 USD
Retailer 3$362 USD
Retailer 8$381 USD
Retailer 14$390 USD
Retailer 12$404 USD
Retailer 4$472 USD
Retailer 10$480 USD
Retailer 13$512 USD
Retailer 5$529 USD
Retailer 9$591 USD
Retailer 7$729 USD
Retailer 11$836 USD
NZ Jewellers$1,389 USD

14 data points across 14 retailers

14 retailers$257 USD to $1,389 USD

A
Cheapest Retailer
-
$257 USD
A
Retailer 2
-
$307 USD
View
A
Retailer 3
-
$362 USD
View
A
Retailer 4
-
$381 USD
View
A
Retailer 5
-
$390 USD
View
A
Retailer 6
-
$404 USD
View
B+
Retailer 7
-
$472 USD
View
B+
Retailer 8
-
$480 USD
View
B+
Retailer 9
-
$512 USD
View
B+
Retailer 10
-
$529 USD
View
B+
Retailer 11
-
$591 USD
View
B
Retailer 12
-
$729 USD
View
B
Retailer 13
-
$836 USD
View
Most Expensive
B
NZ Jewellers
88a58af6-0888-4c5a-bf1b-21e607b3299a · Nov 4
$1,389 USD
View
13 more retailers have this diamond
Prices start from $257 USDSave up to $1,132 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
$257 USD