Round|Natural|GIA

0.45ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2517333380

Certificate GIA 2517333380

Diamond specifications and retailer prices

From $319 USD
As of November 5, 2026
Save $1,366 USD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,685 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2517333380. Listed at 14 retailers as of November 4, 2026, with prices from $319 to $1,685, a $1,366 spread on the same certified stone. NZ Jewellers lists it at $1,685. 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
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2517333380
Dimensions4.90 × 4.86 × 3.07 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
4.90 mm4.86 mm0.45 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2517333380
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.9%

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 5
Current: $1,685 USD|Low: $319 USD|High: $1,701 USD|Avg: $623 USD|-0.9%
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
Retailer 14
November 6, 2026
Retailer 7$319 USD
Retailer 13$371 USD
Retailer 6$375 USD
Retailer 3$439 USD
Retailer 5$468 USD
Retailer 12$473 USD
Retailer 4$478 USD
Retailer 11$507 USD
Retailer 2$537 USD
Retailer 14$570 USD
Retailer 10$603 USD
Retailer 8$663 USD
Retailer 9$1,013 USD
NZ Jewellers$1,685 USD

33 data points across 14 retailers

14 retailers$319 USD to $1,685 USD

A
Cheapest Retailer
-
$319 USD
A
Retailer 2
-
$371 USD
View
Retailer 3
-
$375 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
$439 USD
View
Retailer 5
-
$468 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$473 USD
View
Retailer 7
-
$478 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$507 USD
View
A
Retailer 9
-
$537 USD
View
A
Retailer 10
-
$570 USD
View
A
Retailer 11
-
$603 USD
View
A
Retailer 12
-
$663 USD
View
B+
Retailer 13
-
$1,013 USD
View
Most Expensive
B
NZ Jewellers
3a2c4ffb-a207-4fad-bfc4-a98155281173 · Nov 4
$1,685 USD
View
13 more retailers have this diamond
Prices start from $319 USDSave up to $1,366 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
$319 USD