Cushion|Lab Grown|IGI

1.72ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG487193459

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG487193459

Diamond specifications and retailer prices

From $332 CAD
$237 USD
As of October 28, 2026
Save $2,509 CAD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,841 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG487193459 or 487193459. Listed at 13 retailers as of October 28, 2026, with prices from $332 to $2,841, a $2,509 spread on the same certified stone. Do Amore Diamonds lists it at $2,841. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487193459
Dimensions7.05 × 6.79 × 4.62 mm
L/W Ratio1.04
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
7.05 mm6.79 mm1.72 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487193459
Side View
Table 60.5%Crown 36.2°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $764 CAD|Low: $332 CAD|High: $3,163 CAD|Avg: $1,097 CAD|+4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 9$332 CAD
Retailer 7$367 CAD
Retailer 2$493 CAD
Retailer 3$654 CAD
Retailer 1$764 CAD
Retailer 10$840 CAD
Retailer 8$1,320 CAD
Retailer 4$1,435 CAD
Retailer 6$1,632 CAD
Retailer 5$2,589 CAD

41 data points across 10 retailers

13 retailers$332 CAD to $2,841 CAD

A
Cheapest Retailer
-
$332 CAD
$237 USD
Final sale: no returns
A
Retailer 2
-
$367 CAD
$262 USD
View
B+
Retailer 3
-
$493 CAD
$352 USD
View
A
Retailer 4
-
$644 CAD
$460 USD
View
A
Retailer 5
-
$654 CAD
€445 EUR
View
A
Retailer 6
-
$764 CAD
£430 GBP
View
A
Retailer 7
-
$840 CAD
$600 USD
View
B+
Retailer 8
-
$1,320 CAD
$943 USD
View
B+
Retailer 9
-
$1,435 CAD
$1,025 USD
View
Price last confirmed 8 days ago
B
Retailer 10
-
$1,463 CAD
$1,045 USD
View
B
Retailer 11
-
$1,632 CAD
£918 GBP
View
B
Retailer 12
-
$2,589 CAD
$1,850 USD
View
Most Expensive
B
Do Amore Diamonds
27-BD308F07B · Oct 29
$2,841 CAD
$2,030 USD
View
12 more retailers have this diamond
Prices start from $332 CADSave up to $2,509 CAD

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
$332 CAD