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Cushion|Lab Grown|IGI

1.30ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG831696571

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831696571

Diamond specifications and retailer prices

From $433 CAD
$310 USD
As of October 25, 2026
Save $2,369 CAD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,802 CAD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

About this 1.3ct lab-grown cushion diamond

This 1.3ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831696571 or 831696571. Listed at 16 retailers as of October 25, 2026, with prices from $433 to $2,802, a $2,369 spread on the same certified stone. Helzberg Diamonds lists it at $2,802. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831696571
Dimensions7.97 × 5.36 × 3.57 mm
L/W Ratio1.49
Girdle conditionFaceted
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
7.97 mm5.36 mm1.30 ctE / IF
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831696571
Side View
Table 62.0%Crown 33.3°Girdle: MED-THKPavilion 38.7°Culet: NoneDepth 66.6%

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 25
Current: $2,802 CAD|Low: $433 CAD|High: $3,730 CAD|Avg: $1,410 CAD
Helzberg Diamonds
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 13$433 CAD
Retailer 3$460 CAD
Retailer 4$479 CAD
Retailer 14$650 CAD
Retailer 7$725 CAD
Retailer 12$744 CAD
Retailer 6$789 CAD
Retailer 9$824 CAD
Retailer 10$937 CAD
Retailer 16$1,246 CAD
Retailer 5$1,465 CAD
Retailer 11$1,746 CAD
Retailer 8$1,844 CAD
Retailer 15$2,500 CAD
Retailer 2$2,612 CAD
Helzberg Diamonds$2,802 CAD

18 data points across 16 retailers

16 retailers$433 CAD to $2,802 CAD

A
Cheapest Retailer
-
$433 CAD
$310 USD
Retailer 2
-
$460 CAD
£260 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
$479 CAD
$343 USD
View
Final sale: no returns
A
Retailer 4
-
$650 CAD
$465 USD
View
A
Retailer 5
-
$725 CAD
$519 USD
View
A
Retailer 6
-
$744 CAD
ZAR 8,607 ZAR
View
A
Retailer 7
-
$789 CAD
$565 USD
View
A
Retailer 8
-
$824 CAD
£465 GBP
View
A
Retailer 9
-
$937 CAD
€639 EUR
View
A
Retailer 10
-
$1,246 CAD
$892 USD
View
B+
Retailer 11
-
$1,465 CAD
$1,049 USD
View
B+
Retailer 12
-
$1,746 CAD
£984 GBP
View
B+
Retailer 13
-
$1,844 CAD
SGD 1,784 SGD
View
Retailer 14
-
$2,500 CAD
$1,790 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
$2,612 CAD
$1,870 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJHMPMLNH · Oct 30
$2,802 CAD
$2,006 USD
View
15 more retailers have this diamond
Prices start from $433 CADSave up to $2,369 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
1.30ct Cushion
$433 CAD