CaratHunter
Plans
Round|Natural|GIA

0.45ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6361287107

Certificate GIA 6361287107

Diamond specifications and retailer prices

From $414 AUD
As of November 4, 2026
Save $1,340 AUD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,791 AUD at NZ Jewellers · As of September 15, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6361287107. Listed at 15 retailers as of November 4, 2026, with a 323% 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6361287107
Dimensions4.88 × 4.85 × 3.06 mm
L/W Ratio1.01
Top View
4.88 mm4.85 mm0.45 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6361287107
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,754 AUD|Low: $414 AUD|High: $1,754 AUD|Avg: $681 AUD
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 5, 2026
Retailer 3$414 AUD
Retailer 14$436 AUD
Retailer 11$446 AUD
Retailer 10$463 AUD
Retailer 5$500 AUD
Retailer 8$540 AUD
Retailer 4$559 AUD
Retailer 13$589 AUD
Retailer 12$626 AUD
Retailer 7$689 AUD
Retailer 6$711 AUD
Retailer 2$851 AUD
Retailer 9$1,063 AUD
NZ Jewellers$1,754 AUD

26 data points across 14 retailers

15 retailers$414 AUD to $1,754 AUD

A
Cheapest Retailer
-
$414 AUD
Retailer 2
-
$423 AUD
View
Price last confirmed 51 days ago
Retailer 3
-
$436 AUD
View
Price last confirmed 26 days ago
Retailer 4
-
$446 AUD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$463 AUD
View
A
Retailer 6
-
$540 AUD
View
A
Retailer 7
-
$559 AUD
View
Retailer 8
-
$570 AUD
View
Price last confirmed 53 days ago
A
Retailer 9
-
$589 AUD
View
B+
Retailer 10
-
$626 AUD
View
B+
Retailer 11
-
$689 AUD
View
B+
Retailer 12
-
$851 AUD
View
Retailer 13
-
$1,063 AUD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$1,754 AUD
View
Most Expensive
NZ Jewellers
2e5a8446-3ba5-42fd-a424-8d63812379a4 · Sep 15
$1,791 AUD
$1,254 USD
View
Price last confirmed 52 days ago
14 more retailers have this diamond
Prices start from $414 AUDSave up to $1,340 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
$414 AUD