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Cushion|Lab Grown|IGI

1.52ct D SI1 Cushion Lab Grown Diamond

EX • D/SI1 • IGI LG516276229

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG516276229

Diamond specifications and retailer prices

From $394 AUD
As of November 6, 2026
Save $424 AUD (52%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,758 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG516276229 or 516276229. Listed at 8 retailers as of November 6, 2026, with a 107% 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG516276229
Dimensions6.65 × 6.52 × 4.45 mm
L/W Ratio1.02
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
6.65 mm6.52 mm1.52 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG516276229
Side View
Table 58.5%Crown 35.6°Girdle: MED-VTKPavilion 40.1°Culet: NoneDepth 68.3%

Caratlytics Score

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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 6
Current: $1,758 AUD|Low: $281 AUD|High: $1,769 AUD|Avg: $884 AUD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7$394 AUD
Retailer 4$437 AUD
Retailer 6$734 AUD
Retailer 5$745 AUD
Retailer 8$802 AUD
Retailer 2$818 AUD
Retailer 3$1,514 AUD
MOH London$1,758 AUD

39 data points across 8 retailers

8 retailers$394 AUD to $818 AUD

A
Cheapest Retailer
-
$394 AUD
Final sale: no returns
Retailer 2
-
$437 AUD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$734 AUD
View
A
Retailer 4
-
$745 AUD
View
B+
Retailer 5
-
$802 AUD
View
A
Retailer 6
-
$818 AUD
View
Retailer 7
-
$1,514 AUD
View
Price last confirmed 17 days ago
Most Expensive
MOH London
LG516276229 · Oct 21
$1,758 AUD
£951 GBP
View
Price last confirmed 17 days ago
7 more retailers have this diamond
Prices start from $394 AUDSave up to $424 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
$394 AUD