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Cushion|Lab Grown|IGI

1.52ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG537215526

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG537215526

Diamond specifications and retailer prices

From $237 USD
As of November 6, 2026
Save $1,043 USD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,280 USD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.52ct lab-grown cushion diamond

This 1.52ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG537215526 or 537215526. Listed at 13 retailers as of November 5, 2026, with prices from $237 to $1,280, a $1,043 spread on the same certified stone. Brilliant Earth lists it at $1,280. 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

1.52
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG537215526
Dimensions6.50 × 6.50 × 4.42 mm
L/W Ratio1.00
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
6.50 mm6.50 mm1.52 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG537215526
Side View
Table 61.5%Crown 36.5°Girdle: MED-THKPavilion 36.4°Culet: NoneDepth 68.0%

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 6
Current: $1,280 USD|Low: $237 USD|High: $1,580 USD|Avg: $646 USD|-19.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$237 USD
Retailer 6$262 USD
Retailer 9$355 USD
Retailer 2$477 USD
Retailer 3$480 USD
Retailer 8$502 USD
Retailer 4$688 USD
Retailer 7$1,030 USD
Retailer 5$1,051 USD
Brilliant Earth$1,280 USD

43 data points across 10 retailers

13 retailers$237 USD to $1,280 USD

A
Cheapest Retailer
-
$237 USD
Final sale: no returns
Retailer 2
-
$262 USD
View
Price last confirmed 12 days ago
B+
Retailer 3
-
$355 USD
View
A
Retailer 4
-
$477 USD
View
A
Retailer 5
-
$480 USD
View
A
Retailer 6
-
$502 USD
View
B+
Retailer 7
-
$688 USD
View
B+
Retailer 8
-
$854 USD
View
B+
Retailer 9
-
$896 USD
View
Retailer 10
-
$1,030 USD
View
Price last confirmed 16 days ago
B
Retailer 11
-
$1,051 USD
View
B
Retailer 12
-
$1,150 USD
View
Most Expensive
B
Brilliant Earth
16146178A · Nov 5
$1,280 USD
View
12 more retailers have this diamond
Prices start from $237 USDSave up to $1,043 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
1.52ct Cushion
$237 USD