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Cushion|Lab Grown|IGI

1.72ct I SI1 Cushion Lab Grown Diamond

ID • I/SI1 • IGI LG425067665

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG425067665

Diamond specifications and retailer prices

From $2,205 CAD
$1,570 USD
As of October 28, 2026
Save $4,727 CAD (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,933 CAD 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425067665 or 425067665. Listed at 6 retailers as of October 28, 2026, with prices from $2,205 to $6,933, a $4,727 spread on the same certified stone. MOH London lists it at $6,933. 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
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425067665
Dimensions7.30 × 7.03 × 4.64 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.30 mm7.03 mm1.72 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG425067665
Side View
Table 59.5%Crown 37.2°Girdle: THK-VTKPavilion 40.7°Culet: NoneDepth 66.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $6,933 CAD|Low: $2,205 CAD|High: $6,988 CAD|Avg: $3,866 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 3$2,205 CAD
Retailer 5$2,330 CAD
Retailer 2$2,415 CAD
Retailer 6$2,655 CAD
Retailer 7$3,284 CAD
Retailer 4$3,804 CAD
Retailer 8$6,913 CAD
MOH London$6,933 CAD

13 data points across 8 retailers

6 retailers$2,205 CAD to $6,933 CAD

B+
Cheapest Retailer
-
$2,205 CAD
$1,570 USD
B+
Retailer 2
-
$2,330 CAD
$1,659 USD
View
Final sale: no returns
B+
Retailer 3
-
$2,415 CAD
$1,719 USD
View
Price last confirmed 16 days ago
B
Retailer 4
-
$2,655 CAD
$1,890 USD
View
B
Retailer 5
-
$3,804 CAD
$2,708 USD
View
Most Expensive
B
MOH London
LG425067665 · Oct 29
$6,933 CAD
£3,886 GBP
View
5 more retailers have this diamond
Prices start from $2,205 CADSave up to $4,727 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.

B+
1.72ct Cushion
$2,205 CAD