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Cushion|Lab Grown|IGI

1.73ct I VVS2 Cushion Lab Grown Diamond

ID • I/VVS2 • IGI LG581327871

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG581327871

Diamond specifications and retailer prices

From $397 CAD
$284 USD
As of October 30, 2026
Save $2,052 CAD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,449 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.73ct lab-grown cushion diamond

This 1.73ct lab-grown cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG581327871 or 581327871. Listed at 13 retailers as of October 28, 2026, with prices from $397 to $2,449, a $2,052 spread on the same certified stone. Brilliant Earth lists it at $2,449. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
I
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581327871
Dimensions7.09 × 6.93 × 4.67 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 Faint Blue
Top View
7.09 mm6.93 mm1.73 ctI / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581327871
Side View
Table 61.0%Crown 33°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 67.4%

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 30
Current: $2,449 CAD|Low: $272 CAD|High: $2,659 CAD|Avg: $1,050 CAD|-7.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 16$397 CAD
Retailer 15$441 CAD
Retailer 8$466 CAD
Retailer 2$553 CAD
Retailer 14$591 CAD
Retailer 11$595 CAD
Retailer 10$756 CAD
Retailer 12$789 CAD
Retailer 4$801 CAD
Retailer 3$822 CAD
Retailer 13$1,078 CAD
Retailer 5$1,487 CAD
Retailer 7$1,659 CAD
Retailer 6$1,664 CAD
Retailer 9$1,774 CAD
Brilliant Earth$2,449 CAD

37 data points across 16 retailers

13 retailers$397 CAD to $2,449 CAD

A
Cheapest Retailer
-
$397 CAD
$284 USD
Final sale: no returns
A
Retailer 2
-
$441 CAD
$315 USD
View
A
Retailer 3
-
$553 CAD
£311 GBP
View
B+
Retailer 4
-
$591 CAD
$422 USD
View
A
Retailer 5
-
$595 CAD
$425 USD
View
A
Retailer 6
-
$756 CAD
ZAR 8,730 ZAR
View
A
Retailer 7
-
$789 CAD
€537 EUR
View
A
Retailer 8
-
$801 CAD
$572 USD
View
A
Retailer 9
-
$822 CAD
$587 USD
View
B+
Retailer 10
-
$1,078 CAD
$770 USD
View
B+
Retailer 11
-
$1,487 CAD
$1,063 USD
View
B+
Retailer 12
-
$1,774 CAD
£998 GBP
View
Most Expensive
B
Brilliant Earth
21311745A · Oct 28
$2,449 CAD
$1,750 USD
View
12 more retailers have this diamond
Prices start from $397 CADSave up to $2,052 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
1.73ct Cushion
$397 CAD