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Cushion|Lab Grown|IGI

1.72ct E SI2 Cushion Lab Grown Diamond

ID • E/SI2 • IGI LG529247764

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG529247764

Diamond specifications and retailer prices

From $438 AUD
$308 USD
As of October 28, 2026
Save $1,518 AUD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,956 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.72ct lab-grown cushion diamond

This 1.72ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG529247764 or 529247764. Listed at 12 retailers as of October 28, 2026, with prices from $438 to $1,956, a $1,518 spread on the same certified stone. MOH London lists it at $1,956. 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

1.72
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529247764
Dimensions7.08 × 6.94 × 4.64 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
7.08 mm6.94 mm1.72 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529247764
Side View
Table 62.5%Crown 35.4°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 66.9%

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 28
Current: $1,956 AUD|Low: $438 AUD|High: $1,969 AUD|Avg: $958 AUD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 11$438 AUD
Retailer 9$485 AUD
Retailer 5$625 AUD
Retailer 10$652 AUD
Retailer 2$852 AUD
Retailer 3$870 AUD
Retailer 4$871 AUD
Retailer 7$1,237 AUD
Retailer 6$1,366 AUD
Retailer 8$1,651 AUD
MOH London$1,956 AUD

43 data points across 11 retailers

12 retailers$438 AUD to $1,956 AUD

A
Cheapest Retailer
-
$438 AUD
$308 USD
Final sale: no returns
A
Retailer 2
-
$485 AUD
$341 USD
View
A
Retailer 3
-
$625 AUD
£346 GBP
View
B+
Retailer 4
-
$652 AUD
$458 USD
View
A
Retailer 5
-
$743 AUD
$522 USD
View
A
Retailer 6
-
$852 AUD
£471 GBP
View
B+
Retailer 7
-
$870 AUD
$611 USD
View
B+
Retailer 8
-
$871 AUD
€583 EUR
View
B+
Retailer 9
-
$1,237 AUD
$869 USD
View
Retailer 10
-
$1,366 AUD
$960 USD
View
Price last confirmed 8 days ago
B
Retailer 11
-
$1,651 AUD
$1,160 USD
View
Most Expensive
B
MOH London
LG529247764 · Oct 29
$1,956 AUD
£1,082 GBP
View
11 more retailers have this diamond
Prices start from $438 AUDSave up to $1,518 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
1.72ct Cushion
$438 AUD