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Round|Natural|GIA

0.45ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 6385677797

Certificate GIA 6385677797

Diamond specifications and retailer prices

From $541 AUD
As of November 5, 2026
Save $514 AUD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,056 AUD at MOH London · As of November 4, 2026
View at MOH London

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 very-good cut grade and certified by GIA 6385677797. Listed at 12 retailers as of November 4, 2026, with prices from $541 to $1,056, a $514 spread on the same certified stone. MOH London lists it at $1,056. 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
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle33°
Pavilion angle42°
OriginNatural
Grading LabGIA
CertificateGIA 6385677797
Dimensions4.82 × 4.81 × 3.09 mm
L/W Ratio1.00
Top View
4.82 mm4.81 mm0.45 ctJ / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6385677797
Side View
Table 57.0%Crown 33°Girdle: ThickPavilion 42°Culet: NoneDepth 64.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,056 AUD|Low: $436 AUD|High: $1,092 AUD|Avg: $645 AUD|-2.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 9$436 AUD
Retailer 6$446 AUD
Retailer 11$541 AUD
Retailer 4$571 AUD
Retailer 10$571 AUD
Retailer 5$586 AUD
Retailer 8$589 AUD
Retailer 7$626 AUD
Retailer 3$711 AUD
Retailer 2$851 AUD
MOH London$1,056 AUD

24 data points across 11 retailers

12 retailers$541 AUD to $1,056 AUD

Retailer 1
-
$436 AUD
Price last confirmed 26 days ago
Retailer 2
-
$446 AUD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$541 AUD
View
Retailer 4
-
$549 AUD
View
Price last confirmed 324 days ago
B+
Retailer 5
-
$571 AUD
View
B+
Retailer 6
-
$571 AUD
View
B+
Retailer 7
-
$586 AUD
View
B+
Retailer 8
-
$589 AUD
View
B+
Retailer 9
-
$626 AUD
View
B
Retailer 10
-
$729 AUD
View
B
Retailer 11
-
$851 AUD
View
Most Expensive
B
MOH London
40B343232 · Nov 4
$1,056 AUD
£582 GBP
View
11 more retailers have this diamond
Prices start from $541 AUDSave up to $514 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.

B+
0.45ct Round
$541 AUD