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Cushion|Lab Grown|IGI

1.07ct D SI1 Cushion Lab Grown Diamond

EX • D/SI1 • IGI LG678583389

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG678583389

Diamond specifications and retailer prices

From $483 CAD
£272 GBP
As of November 1, 2026
Save $1,989 CAD (80%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,473 CAD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.07ct lab-grown cushion diamond

This 1.07ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678583389 or 678583389. Listed at 5 retailers as of October 31, 2026, with prices from $483 to $2,473, a $1,989 spread on the same certified stone. Do Amore Diamonds lists it at $2,473. 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

1.07
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.3°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678583389
Dimensions7.16 × 5.39 × 3.62 mm
L/W Ratio1.33
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
7.16 mm5.39 mm1.07 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG678583389
Side View
Table 63.0%Crown 34.3°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 67.2%

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: Nov 1
Current: $2,473 CAD|Low: $483 CAD|High: $2,473 CAD|Avg: $1,065 CAD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3$483 CAD
Retailer 7$500 CAD
Retailer 4$630 CAD
Retailer 5$697 CAD
Retailer 6$777 CAD
Retailer 8$1,254 CAD
Retailer 2$1,618 CAD
Do Amore Diamonds$2,473 CAD

31 data points across 8 retailers

5 retailers$483 CAD to $2,473 CAD

A
Cheapest Retailer
-
$483 CAD
£272 GBP
B+
Retailer 2
-
$630 CAD
$451 USD
View
B+
Retailer 3
-
$697 CAD
$499 USD
View
B
Retailer 4
-
$1,618 CAD
£912 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1675433 · Oct 31
$2,473 CAD
$1,770 USD
View
4 more retailers have this diamond
Prices start from $483 CADSave up to $1,989 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
1.07ct Cushion
$483 CAD