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Cushion|Lab Grown|IGI

1.72ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG618453998

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG618453998

Diamond specifications and retailer prices

From $1,494 CAD
£842 GBP
As of October 26, 2026
Save $1,119 CAD (43%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,613 CAD at Do Amore Diamonds · As of October 27, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG618453998 or 618453998. Listed at 4 retailers as of October 26, 2026, with prices from $1,494 to $2,613, a $1,119 spread on the same certified stone. Do Amore Diamonds lists it at $2,613. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618453998
Dimensions8.90 × 6.12 × 4.08 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.90 mm6.12 mm1.72 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618453998
Side View
Table 61.0%Crown 34°Girdle: THN-STKPavilion 37.4°Culet: NoneDepth 66.7%

Caratlytics Score

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

Price History

Last verified: Oct 26
Current: $2,613 CAD|Low: $323 CAD|High: $2,767 CAD|Avg: $1,208 CAD|-5.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 25, 2026
Retailer 6$323 CAD
Retailer 4$590 CAD
Retailer 10$645 CAD
Retailer 11$783 CAD
Retailer 3$999 CAD
Retailer 7$1,104 CAD
Retailer 9$1,147 CAD
Retailer 5$1,195 CAD
Retailer 2$1,494 CAD
Retailer 8$2,166 CAD
Do Amore Diamonds$2,613 CAD

13 data points across 11 retailers

4 retailers$1,494 CAD to $2,613 CAD

Retailer 1
-
$590 CAD
$422 USD
Price last confirmed 8 days ago
Retailer 2
-
$1,195 CAD
$855 USD
View
Price last confirmed 12 days ago
B+
Retailer 3
-
$1,494 CAD
£842 GBP
View
Most Expensive
B
Do Amore Diamonds
27-425E2CB6D · Oct 27
$2,613 CAD
$1,870 USD
View
3 more retailers have this diamond
Prices start from $1,494 CADSave up to $1,119 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
$1,494 CAD