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Cushion|Lab Grown|IGI

1.53ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG665408766

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG665408766

Diamond specifications and retailer prices

From $662 USD
As of October 31, 2026
Save $3,798 USD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,460 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.53ct lab-grown cushion diamond

This 1.53ct 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 LG665408766 or 665408766. Listed at 20 retailers as of October 29, 2026, with prices from $662 to $4,460, a $3,798 spread on the same certified stone. Brilliant Earth lists it at $4,460. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665408766
Dimensions8.01 × 6.00 × 3.97 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
8.01 mm6.00 mm1.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665408766
Side View
Table 60.0%Crown 35.9°Girdle: MED-VTKPavilion 34.2°Culet: NoneDepth 66.2%

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 31
Current: $4,460 USD|Low: $657 USD|High: $4,460 USD|Avg: $1,801 USD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
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Retailer 19
October 31, 2026
Retailer 15$662 USD
Retailer 5$735 USD
Retailer 18$850 USD
Retailer 4$946 USD
Retailer 6$1,128 USD
Retailer 3$1,134 USD
Retailer 2$1,149 USD
Retailer 14$1,156 USD
Retailer 16$1,263 USD
Retailer 7$1,671 USD
Retailer 13$1,711 USD
Retailer 10$2,134 USD
Retailer 11$2,318 USD
Retailer 9$2,377 USD
Retailer 8$2,446 USD
Retailer 12$2,452 USD
Retailer 19$2,675 USD
Retailer 17$3,194 USD
Brilliant Earth$4,460 USD

36 data points across 19 retailers

20 retailers$662 USD to $4,460 USD

A
Cheapest Retailer
-
$662 USD
Final sale: no returns
Retailer 2
-
$735 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$850 USD
View
A
Retailer 4
-
$946 USD
View
A
Retailer 5
-
$1,128 USD
View
A
Retailer 6
-
$1,134 USD
View
A
Retailer 7
-
$1,149 USD
£905 GBP
View
A
Retailer 8
-
$1,156 USD
€1,101 EUR
View
A
Retailer 9
-
$1,263 USD
ZAR 20,398 ZAR
View
B+
Retailer 10
-
$1,671 USD
View
B+
Retailer 11
-
$1,711 USD
A$2,633 AUD
View
B+
Retailer 12
-
$2,134 USD
£1,680 GBP
View
B+
Retailer 13
-
$2,318 USD
View
B+
Retailer 14
-
$2,377 USD
View
B+
Retailer 15
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$2,446 USD
View
B+
Retailer 16
-
$2,452 USD
A$3,773 AUD
View
B
Retailer 17
-
$2,550 USD
View
Retailer 18
-
$2,675 USD
View
Price last confirmed 12 days ago
B
Retailer 19
-
$3,194 USD
£2,515 GBP
View
Most Expensive
B
Brilliant Earth
14719363A · Oct 29
$4,460 USD
View
19 more retailers have this diamond
Prices start from $662 USDSave up to $3,798 USD

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
1.53ct Cushion
$662 USD