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Round|Lab Grown|IGI

1.45ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG649405823

Shape and cutting style on the report: Round brilliant

Certificate IGI LG649405823

Diamond specifications and retailer prices

From $572 AUD
$402 USD
As of October 30, 2026
Save $826 AUD (59%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,685 AUD at MOH London · As of October 19, 2026
View at MOH London

About this 1.45ct lab-grown round diamond

This 1.45ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG649405823 or 649405823. Listed at 7 retailers as of October 30, 2026, with a 144% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649405823
Dimensions7.29 × 7.23 × 4.51 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.29 mm7.23 mm1.45 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649405823
Side View
Table 56.0%Crown 35.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.1%

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 30
Current: $1,685 AUD|Low: $537 AUD|High: $1,696 AUD|Avg: $931 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 19, 2026
Retailer 3$572 AUD
Retailer 5$612 AUD
Retailer 4$690 AUD
Retailer 7$705 AUD
Retailer 2$854 AUD
Retailer 6$1,398 AUD
MOH London$1,685 AUD

11 data points across 7 retailers

7 retailers$572 AUD to $1,398 AUD

B+
Cheapest Retailer
-
$572 AUD
$402 USD
A
Retailer 2
-
$612 AUD
$430 USD
View
A
Retailer 3
-
$690 AUD
$485 USD
View
A
Retailer 4
-
$854 AUD
$600 USD
View
Retailer 5
-
$882 AUD
$620 USD
View
Price last confirmed 76 days ago
B+
Retailer 6
-
$1,398 AUD
$982 USD
View
Most Expensive
MOH London
LG649405823 · Oct 19
$1,685 AUD
£932 GBP
View
Price last confirmed 13 days ago
6 more retailers have this diamond
Prices start from $572 AUDSave up to $826 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
1.45ct Round
$572 AUD