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Cushion|Lab Grown|IGI

1.83ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG683520322

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG683520322

Diamond specifications and retailer prices

From $617 CAD
$442 USD
As of October 30, 2026
Save $4,635 CAD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,252 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.83ct lab-grown cushion diamond

This 1.83ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG683520322 or 683520322. Listed at 21 retailers as of October 30, 2026, with prices from $617 to $5,252, a $4,635 spread on the same certified stone. Brilliant Earth lists it at $5,252. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683520322
Dimensions8.77 × 6.41 × 4.28 mm
L/W Ratio1.37
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
8.77 mm6.41 mm1.83 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683520322
Side View
Table 59.0%Crown 32.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 66.8%

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: $5,252 CAD|Low: $617 CAD|High: $7,390 CAD|Avg: $2,412 CAD|-28.9%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 9$617 CAD
Retailer 3$805 CAD
Retailer 18$930 CAD
Retailer 12$979 CAD
Retailer 16$985 CAD
Retailer 4$1,043 CAD
Retailer 2$1,088 CAD
Retailer 13$1,250 CAD
Retailer 15$1,301 CAD
Retailer 20$1,597 CAD
Retailer 14$1,762 CAD
Retailer 8$2,214 CAD
Retailer 6$2,528 CAD
Retailer 7$2,566 CAD
Retailer 11$2,643 CAD
Retailer 10$2,689 CAD
Retailer 17$2,784 CAD
Retailer 19$4,561 CAD
Retailer 5$4,917 CAD
Brilliant Earth$5,252 CAD

41 data points across 20 retailers

21 retailers$617 CAD to $5,252 CAD

A
Cheapest Retailer
-
$617 CAD
$442 USD
Final sale: no returns
Retailer 2
-
$805 CAD
£454 GBP
View
Price last confirmed 13 days ago
A
Retailer 3
-
$930 CAD
HK$5,200 HKD
View
Retailer 4
-
$979 CAD
$701 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$985 CAD
$705 USD
View
A
Retailer 6
-
$1,043 CAD
$747 USD
View
A
Retailer 7
-
$1,088 CAD
$779 USD
View
A
Retailer 8
-
$1,250 CAD
£705 GBP
View
A
Retailer 9
-
$1,301 CAD
ZAR 15,043 ZAR
View
A
Retailer 10
-
$1,597 CAD
$1,143 USD
View
A
Retailer 11
-
$1,762 CAD
A$1,941 AUD
View
A
Retailer 12
-
$2,214 CAD
£1,248 GBP
View
B+
Retailer 13
-
$2,528 CAD
$1,810 USD
View
B+
Retailer 14
-
$2,566 CAD
$1,837 USD
View
B+
Retailer 15
-
$2,643 CAD
$1,892 USD
View
B+
Retailer 16
-
$2,689 CAD
SGD 2,601 SGD
View
B+
Retailer 17
-
$2,784 CAD
£1,569 GBP
View
Retailer 18
-
$4,561 CAD
$3,265 USD
View
Price last confirmed 9 days ago
B
Retailer 19
-
$4,719 CAD
£2,660 GBP
View
B
Retailer 20
-
$4,917 CAD
$3,520 USD
View
Most Expensive
B
Brilliant Earth
20467239Y · Oct 30
$5,252 CAD
$3,760 USD
View
20 more retailers have this diamond
Prices start from $617 CADSave up to $4,635 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
1.83ct Cushion
$617 CAD