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Round|Lab Grown|IGI

0.45ct E SI2 Round Lab Grown Diamond

VG • E/SI2 • IGI LG462173059

Shape and cutting style on the report: Round brilliant

Certificate IGI LG462173059

Diamond specifications and retailer prices

From $406 AUD
$285 USD
As of October 27, 2026
Save $1,333 AUD (77%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,739 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 0.45ct lab-grown round diamond

This 0.45ct lab-grown round sits in the sub-half-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG462173059 or 462173059. Listed at 6 retailers as of October 26, 2026, with prices from $406 to $1,739, a $1,333 spread on the same certified stone. MOH London lists it at $1,739. 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
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG462173059
Dimensions4.77 × 4.73 × 3.11 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
4.77 mm4.73 mm0.45 ctE / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG462173059
Side View
Table 55.5%Crown 37.5°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 65.3%

Caratlytics Score

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

Price History

Last verified: Oct 27
Current: $1,739 AUD|Low: $406 AUD|High: $1,757 AUD|Avg: $762 AUD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 6$406 AUD
Retailer 3$427 AUD
Retailer 5$433 AUD
Retailer 8$480 AUD
Retailer 4$727 AUD
Retailer 2$826 AUD
Retailer 7$854 AUD
Retailer 9$907 AUD
MOH London$1,739 AUD

16 data points across 9 retailers

6 retailers$406 AUD to $1,739 AUD

B+
Cheapest Retailer
-
$406 AUD
$285 USD
B+
Retailer 2
-
$427 AUD
$300 USD
View
B+
Retailer 3
-
$433 AUD
$304 USD
View
B
Retailer 4
-
$727 AUD
$511 USD
View
B
Retailer 5
-
$826 AUD
€553 EUR
View
Most Expensive
B
MOH London
LG462173059 · Oct 26
$1,739 AUD
£962 GBP
View
5 more retailers have this diamond
Prices start from $406 AUDSave up to $1,333 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
$406 AUD