Cushion|Lab Grown|IGI

6.50ct E SI2 Cushion Lab Grown Diamond

EX • E/SI2 • IGI LG805690078

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG805690078

Diamond specifications and retailer prices

From $1,680 CAD
$1,203 USD
As of October 29, 2026
Save $15,443 CAD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $17,123 CAD at Mervis Diamond Importers · As of October 29, 2026
View at Mervis Diamond Importers

About this 6.5ct lab-grown cushion diamond

This 6.5ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805690078 or 805690078. Listed at 11 retailers as of October 29, 2026, with prices from $1,680 to $17,123, a $15,443 spread on the same certified stone. Mervis Diamond Importers lists it at $17,123. 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

6.50
Carat
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805690078
Dimensions14.03 × 9.75 × 6.14 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.03 mm9.75 mm6.50 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805690078
Side View
Table 61.0%Crown 31°Girdle: MED-STKPavilion 33.3°Culet: NoneDepth 63.0%

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 29
Current: $17,123 CAD|Low: $1,680 CAD|High: $18,809 CAD|Avg: $5,281 CAD|-9.0%
Mervis Diamond Importers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 11$1,680 CAD
Retailer 9$1,741 CAD
Retailer 10$2,400 CAD
Retailer 4$2,450 CAD
Retailer 2$2,781 CAD
Retailer 6$3,242 CAD
Retailer 3$4,714 CAD
Retailer 5$6,181 CAD
Retailer 7$6,650 CAD
Retailer 8$7,669 CAD
Mervis Diamond Importers$17,123 CAD

40 data points across 11 retailers

11 retailers$1,680 CAD to $17,123 CAD

A
Cheapest Retailer
-
$1,680 CAD
$1,203 USD
Final sale: no returns
Retailer 2
-
$1,741 CAD
$1,246 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
$2,400 CAD
$1,718 USD
View
B+
Retailer 4
-
$2,450 CAD
$1,754 USD
View
B+
Retailer 5
-
$2,781 CAD
£1,568 GBP
View
B+
Retailer 6
-
$3,242 CAD
$2,321 USD
View
B
Retailer 7
-
$4,714 CAD
$3,375 USD
View
B
Retailer 8
-
$6,181 CAD
£3,484 GBP
View
B
Retailer 9
-
$6,650 CAD
$4,761 USD
View
Retailer 10
-
$7,669 CAD
$5,490 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Mervis Diamond Importers
1985410064 · Oct 29
$17,123 CAD
$12,258 USD
View
10 more retailers have this diamond
Prices start from $1,680 CADSave up to $15,443 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
6.50ct Cushion
$1,680 CAD