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Round|Lab Grown|IGI

0.45ct H SI1 Round Lab Grown Diamond

VG • H/SI1 • IGI LG462173063

Shape and cutting style on the report: Round brilliant

Certificate IGI LG462173063

Diamond specifications and retailer prices

From $330 AUD
$232 USD
As of October 29, 2026
Save $1,319 AUD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,649 AUD at MOH London · As of October 29, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG462173063 or 462173063. Listed at 9 retailers as of October 29, 2026, with prices from $330 to $1,649, a $1,319 spread on the same certified stone. MOH London lists it at $1,649. 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
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG462173063
Dimensions4.78 × 4.84 × 3.06 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
Blue Nuance 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
4.78 mm4.84 mm0.45 ctH / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG462173063
Side View
Table 59.5%Crown 37.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.5%

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: Oct 29
Current: $1,649 AUD|Low: $317 AUD|High: $1,660 AUD|Avg: $701 AUD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 4$330 AUD
Retailer 7$383 AUD
Retailer 5$410 AUD
Retailer 2$427 AUD
Retailer 6$695 AUD
Retailer 9$698 AUD
Retailer 3$788 AUD
Retailer 8$826 AUD
MOH London$1,649 AUD

17 data points across 9 retailers

9 retailers$330 AUD to $1,649 AUD

A
Cheapest Retailer
-
$330 AUD
$232 USD
B+
Retailer 2
-
$383 AUD
$269 USD
View
B+
Retailer 3
-
$410 AUD
$288 USD
View
B+
Retailer 4
-
$410 AUD
$288 USD
View
B+
Retailer 5
-
$427 AUD
$300 USD
View
B
Retailer 6
-
$695 AUD
$488 USD
View
B
Retailer 7
-
$788 AUD
€527 EUR
View
B
Retailer 8
-
$1,315 AUD
$924 USD
View
Most Expensive
B
MOH London
LG462173063 · Oct 29
$1,649 AUD
£912 GBP
View
8 more retailers have this diamond
Prices start from $330 AUDSave up to $1,319 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
$330 AUD