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Cushion|Lab Grown|IGI

1.52ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG532272146

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG532272146

Diamond specifications and retailer prices

From $438 AUD
$308 USD
As of November 1, 2026
Save $956 AUD (69%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,680 AUD at MOH London · As of October 21, 2026
View at MOH London

About this 1.52ct lab-grown cushion diamond

This 1.52ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG532272146 or 532272146. Listed at 5 retailers as of October 31, 2026, with a 218% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.52
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG532272146
Dimensions6.74 × 6.52 × 4.27 mm
L/W Ratio1.03
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 Faint Blue
Top View
6.74 mm6.52 mm1.52 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG532272146
Side View
Table 60.0%Crown 39.5°Girdle: MED-THKPavilion 36.8°Culet: NoneDepth 65.5%

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: Nov 1
Current: $1,680 AUD|Low: $438 AUD|High: $1,690 AUD|Avg: $873 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4$438 AUD
Retailer 3$550 AUD
Retailer 2$656 AUD
Retailer 5$676 AUD
Retailer 6$1,394 AUD
MOH London$1,680 AUD

36 data points across 6 retailers

5 retailers$438 AUD to $1,394 AUD

B+
Cheapest Retailer
-
$438 AUD
$308 USD
A
Retailer 2
-
$550 AUD
$386 USD
View
A
Retailer 3
-
$656 AUD
£363 GBP
View
B
Retailer 4
-
$1,394 AUD
$980 USD
View
Most Expensive
MOH London
LG532272146 · Oct 21
$1,680 AUD
£929 GBP
View
Price last confirmed 12 days ago
4 more retailers have this diamond
Prices start from $438 AUDSave up to $956 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
1.52ct Cushion
$438 AUD