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Cushion|Lab Grown|IGI

0.67ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG805671991

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG805671991

Diamond specifications and retailer prices

From $186 CAD
$133 USD
As of October 27, 2026
Save $1,539 CAD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,724 CAD at MOH London · As of October 25, 2026
View at MOH London

About this 0.67ct lab-grown cushion diamond

This 0.67ct lab-grown cushion sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805671991 or 805671991. Listed at 11 retailers as of October 25, 2026, with prices from $186 to $1,724, a $1,539 spread on the same certified stone. MOH London lists it at $1,724. 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

0.67
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805671991
Dimensions5.03 × 5.01 × 3.14 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.03 mm5.01 mm0.67 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG805671991
Side View
Table 65.0%Crown 34.5°Girdle: STK-THKPavilion 37.1°Culet: NoneDepth 62.7%

Caratlytics Score

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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 27
Current: $1,724 CAD|Low: $184 CAD|High: $1,742 CAD|Avg: $567 CAD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 8$186 CAD
Retailer 9$363 CAD
Retailer 2$365 CAD
Retailer 7$400 CAD
Retailer 3$421 CAD
Retailer 5$499 CAD
Retailer 4$508 CAD
Retailer 6$534 CAD
Retailer 10$698 CAD
MOH London$1,724 CAD

39 data points across 10 retailers

11 retailers$186 CAD to $1,724 CAD

A
Cheapest Retailer
-
$186 CAD
$133 USD
Final sale: no returns
A
Retailer 2
-
$232 CAD
HK$1,300 HKD
View
A
Retailer 3
-
$365 CAD
€249 EUR
View
A
Retailer 4
-
$400 CAD
$286 USD
View
A
Retailer 5
-
$421 CAD
£237 GBP
View
B+
Retailer 6
-
$499 CAD
$357 USD
View
B+
Retailer 7
-
$508 CAD
£286 GBP
View
B+
Retailer 8
-
$534 CAD
$382 USD
View
B+
Retailer 9
-
$575 CAD
SGD 556 SGD
View
B+
Retailer 10
-
$698 CAD
$500 USD
View
Most Expensive
B
MOH London
LG805671991 · Oct 25
$1,724 CAD
£972 GBP
View
10 more retailers have this diamond
Prices start from $186 CADSave up to $1,539 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
0.67ct Cushion
$186 CAD