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Cushion|Lab Grown|IGI

1.88ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG727510778

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG727510778

Diamond specifications and retailer prices

From $693 CAD
$496 USD
As of October 30, 2026
Save $4,699 CAD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,392 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.88ct lab-grown cushion diamond

This 1.88ct 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 LG727510778 or 727510778. Listed at 13 retailers as of October 30, 2026, with prices from $693 to $5,392, a $4,699 spread on the same certified stone. Brilliant Earth lists it at $5,392. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727510778
Dimensions8.08 × 6.70 × 4.59 mm
L/W Ratio1.21
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
8.08 mm6.70 mm1.88 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727510778
Side View
Table 61.0%Crown 35.7°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 68.5%

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 30
Current: $5,392 CAD|Low: $495 CAD|High: $6,412 CAD|Avg: $2,629 CAD|-15.9%
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
October 30, 2026
Retailer 5$693 CAD
Retailer 7$932 CAD
Retailer 13$1,006 CAD
Retailer 9$1,108 CAD
Retailer 6$1,213 CAD
Retailer 3$1,704 CAD
Retailer 2$1,795 CAD
Retailer 11$2,061 CAD
Retailer 10$2,835 CAD
Retailer 4$4,544 CAD
Retailer 12$4,575 CAD
Retailer 8$5,001 CAD
Brilliant Earth$5,392 CAD

30 data points across 13 retailers

13 retailers$693 CAD to $5,392 CAD

A
Cheapest Retailer
-
$693 CAD
$496 USD
Final sale: no returns
A
Retailer 2
-
$932 CAD
$667 USD
View
A
Retailer 3
-
$1,006 CAD
$720 USD
View
A
Retailer 4
-
$1,108 CAD
$793 USD
View
A
Retailer 5
-
$1,213 CAD
€827 EUR
View
A
Retailer 6
-
$1,704 CAD
$1,220 USD
View
A
Retailer 7
-
$1,795 CAD
A$1,977 AUD
View
A
Retailer 8
-
$2,061 CAD
$1,475 USD
View
B+
Retailer 9
-
$2,835 CAD
£1,598 GBP
View
Retailer 10
-
$4,544 CAD
A$5,005 AUD
View
Price last confirmed 22 days ago
Retailer 11
-
$4,575 CAD
$3,275 USD
View
Price last confirmed 9 days ago
B
Retailer 12
-
$5,001 CAD
$3,580 USD
View
Most Expensive
B
Brilliant Earth
15510545Y · Oct 30
$5,392 CAD
$3,860 USD
View
12 more retailers have this diamond
Prices start from $693 CADSave up to $4,699 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
1.88ct Cushion
$693 CAD