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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 $308 USD
As of October 28, 2026
Save $1,066 USD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,374 USD 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 $308 to $1,374, a $1,066 spread on the same certified stone. MOH London lists it at $1,374. 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
Color
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: $1,374 USD|Low: $308 USD|High: $1,383 USD|Avg: $673 USD|-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$308 USD
Retailer 9$341 USD
Retailer 5$439 USD
Retailer 10$458 USD
Retailer 2$598 USD
Retailer 3$611 USD
Retailer 4$612 USD
Retailer 7$869 USD
Retailer 6$960 USD
Retailer 8$1,160 USD
MOH London$1,374 USD

43 data points across 11 retailers

12 retailers$308 USD to $1,374 USD

A
Cheapest Retailer
-
$308 USD
Final sale: no returns
A
Retailer 2
-
$341 USD
View
A
Retailer 3
-
$439 USD
£346 GBP
View
B+
Retailer 4
-
$458 USD
View
A
Retailer 5
-
$522 USD
View
A
Retailer 6
-
$598 USD
£471 GBP
View
B+
Retailer 7
-
$611 USD
View
B+
Retailer 8
-
$612 USD
€583 EUR
View
B+
Retailer 9
-
$869 USD
View
B+
Retailer 10
-
$960 USD
View
Price last confirmed 8 days ago
B
Retailer 11
-
$1,160 USD
View
Most Expensive
B
MOH London
LG529247764 · Oct 29
$1,374 USD
£1,082 GBP
View
11 more retailers have this diamond
Prices start from $308 USDSave up to $1,066 USD

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
$308 USD