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Cushion|Lab Grown|IGI

3.17ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG741580359

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG741580359

Diamond specifications and retailer prices

From $3,312 CAD
£1,863 GBP
As of October 30, 2026
Save $4,947 CAD (60%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $8,259 CAD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.17ct lab-grown cushion diamond

This 3.17ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG741580359 or 741580359. Listed at 7 retailers as of October 30, 2026, with prices from $3,312 to $8,259, a $4,947 spread on the same certified stone. Taylor and Hart lists it at $8,259. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.17
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741580359
Dimensions9.88 × 7.45 × 5.00 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.88 mm7.45 mm3.17 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741580359
Side View
Table 59.0%Crown 33.9°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 67.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,312 CAD|Low: $3,292 CAD|High: $8,259 CAD|Avg: $5,119 CAD|-6.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
October 30, 2026
Retailer 1$3,312 CAD
Retailer 4$3,356 CAD
Retailer 2$3,822 CAD
Retailer 5$4,676 CAD
Retailer 3$6,676 CAD
Retailer 6$8,034 CAD
Taylor and Hart$8,259 CAD

42 data points across 7 retailers

7 retailers$3,312 CAD to $8,259 CAD

A
Cheapest Retailer
-
$3,312 CAD
£1,863 GBP
A
Retailer 2
-
$3,356 CAD
$2,398 USD
View
A
Retailer 3
-
$3,822 CAD
€2,601 EUR
View
A
Retailer 4
-
$4,676 CAD
$3,341 USD
View
B+
Retailer 5
-
$6,676 CAD
£3,756 GBP
View
Retailer 6
-
$8,034 CAD
$5,740 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
Taylor and Hart
ONUH8LS · Oct 30
$8,259 CAD
$5,901 USD
View
6 more retailers have this diamond
Prices start from $3,312 CADSave up to $4,947 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
3.17ct Cushion
$3,312 CAD