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Cushion|Lab Grown|IGI

1.51ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG752544832

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG752544832

Diamond specifications and retailer prices

From $220 USD
As of November 6, 2026
Save $963 USD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,183 USD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG752544832 or 752544832. Listed at 13 retailers as of November 6, 2026, with prices from $220 to $1,183, a $963 spread on the same certified stone. Reve Diamonds lists it at $1,183. 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

1.51
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752544832
Dimensions7.75 × 5.96 × 3.81 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.75 mm5.96 mm1.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG752544832
Side View
Table 62.0%Crown 34.2°Girdle: MED-THKPavilion 37.3°Culet: NoneDepth 63.9%

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: $406 USD|Low: $220 USD|High: $1,180 USD|Avg: $602 USD|+2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$220 USD
Retailer 9$244 USD
Retailer 1$406 USD
Retailer 8$424 USD
Retailer 3$441 USD
Retailer 10$501 USD
Retailer 6$636 USD
Retailer 4$745 USD
Retailer 7$1,020 USD
Retailer 5$1,140 USD

44 data points across 10 retailers

13 retailers$220 USD to $1,183 USD

A
Cheapest Retailer
-
$220 USD
Final sale: no returns
Retailer 2
-
$244 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$406 USD
View
B+
Retailer 4
-
$424 USD
View
A
Retailer 5
-
$441 USD
View
A
Retailer 6
-
$453 USD
View
A
Retailer 7
-
$501 USD
View
B+
Retailer 8
-
$636 USD
View
B+
Retailer 9
-
$745 USD
View
B+
Retailer 10
-
$837 USD
View
B
Retailer 11
-
$1,020 USD
View
B
Retailer 12
-
$1,140 USD
View
Most Expensive
B
Reve Diamonds
B304BF3D5 · Nov 6
$1,183 USD
View
12 more retailers have this diamond
Prices start from $220 USDSave up to $963 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
1.51ct Cushion
$220 USD