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Cushion|Lab Grown|IGI

0.74ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG464189205

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG464189205

Diamond specifications and retailer prices

From $404 AUD
$284 USD
As of November 1, 2026
Save $1,326 AUD (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,730 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 0.74ct lab-grown cushion diamond

This 0.74ct lab-grown cushion sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG464189205 or 464189205. Listed at 4 retailers as of November 1, 2026, with prices from $404 to $1,730, a $1,326 spread on the same certified stone. MOH London lists it at $1,730. 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

0.74
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG464189205
Dimensions5.30 × 5.26 × 3.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process.
Top View
5.30 mm5.26 mm0.74 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG464189205
Side View
Table 59.5%Crown 35.4°Girdle: THK-VTKPavilion 41.4°Culet: NoneDepth 69.0%

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: Nov 1
Current: $1,730 AUD|Low: $282 AUD|High: $1,752 AUD|Avg: $914 AUD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 3$404 AUD
Retailer 2$424 AUD
Retailer 4$545 AUD
Retailer 5$982 AUD
Retailer 6$1,167 AUD
Retailer 7$1,167 AUD
MOH London$1,730 AUD

36 data points across 7 retailers

4 retailers$404 AUD to $1,730 AUD

A
Cheapest Retailer
-
$404 AUD
$284 USD
A
Retailer 2
-
$424 AUD
£234 GBP
View
B+
Retailer 3
-
$545 AUD
$383 USD
View
Most Expensive
B
MOH London
LG464189205 · Nov 1
$1,730 AUD
£957 GBP
View
3 more retailers have this diamond
Prices start from $404 AUDSave up to $1,326 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
0.74ct Cushion
$404 AUD