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Round|Natural|GIA

0.45ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6542063073

Certificate GIA 6542063073

Diamond specifications and retailer prices

From $423 AUD
₹28,330 INR
As of October 29, 2026
Save $1,710 AUD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,471 AUD at NZ Jewellers · As of September 28, 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 6542063073. Listed at 17 retailers as of October 26, 2026, with a 404% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6542063073
Dimensions4.88 × 4.90 × 3.06 mm
L/W Ratio1.00
Star length50%
Top View
4.88 mm4.90 mm0.45 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542063073
Side View
Table 57.0%Crown 36°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.6%

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: Oct 29
Current: $2,134 AUD|Low: $423 AUD|High: $2,444 AUD|Avg: $864 AUD|-11.8%
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
October 29, 2026
Retailer 6$423 AUD
Retailer 4$492 AUD
Retailer 12$498 AUD
Retailer 3$514 AUD
Retailer 5$534 AUD
Retailer 11$557 AUD
Retailer 7$599 AUD
Retailer 13$611 AUD
Retailer 2$721 AUD
Retailer 9$781 AUD
Retailer 10$946 AUD
Retailer 8$1,293 AUD
NZ Jewellers$2,134 AUD

31 data points across 13 retailers

17 retailers$423 AUD to $2,134 AUD

A
Cheapest Retailer
-
$423 AUD
₹28,330 INR
A
Retailer 2
-
$492 AUD
HK$2,700 HKD
View
A
Retailer 3
-
$498 AUD
$350 USD
View
A
Retailer 4
-
$514 AUD
$361 USD
View
Final sale: no returns
A
Retailer 5
-
$534 AUD
$375 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$557 AUD
$391 USD
View
A
Retailer 7
-
$599 AUD
$421 USD
View
A
Retailer 8
-
$611 AUD
View
A
Retailer 9
-
$645 AUD
$453 USD
View
Price last confirmed 31 days ago
A
Retailer 10
-
$695 AUD
$488 USD
View
Price last confirmed 30 days ago
A
Retailer 11
-
$721 AUD
£399 GBP
View
A
Retailer 12
-
$744 AUD
$523 USD
View
Price last confirmed 29 days ago
A
Retailer 13
-
$781 AUD
$549 USD
View
A
Retailer 14
-
$946 AUD
€633 EUR
View
B+
Retailer 15
-
$1,293 AUD
£715 GBP
View
B
Retailer 16
-
$2,134 AUD
$1,499 USD
View
Most Expensive
B
NZ Jewellers
3dfe7906-35a9-48a0-9600-3ccaf3277029 · Sep 28
$2,471 AUD
$1,736 USD
View
Price last confirmed 31 days ago
16 more retailers have this diamond
Prices start from $423 AUDSave up to $1,710 AUD

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
$423 AUD