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Cushion|Lab Grown|IGI

1.50ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG657466746

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG657466746

Diamond specifications and retailer prices

From $203 USD
As of November 6, 2026
Save $931 USD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,134 USD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG657466746 or 657466746. Listed at 15 retailers as of November 6, 2026, with prices from $203 to $1,134, a $931 spread on the same certified stone. Reve Diamonds lists it at $1,134. 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

1.50
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG657466746
Dimensions8.08 × 5.85 × 3.90 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.08 mm5.85 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG657466746
Side View
Table 65.0%Crown 35.5°Girdle: MED-VTKPavilion 36.4°Culet: NoneDepth 66.7%

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: Nov 6
Current: $370 USD|Low: $203 USD|High: $1,134 USD|Avg: $608 USD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Reve Diamonds
November 6, 2026
Retailer 2$203 USD
Retailer 7$256 USD
Retailer 13$289 USD
Retailer 3$312 USD
Retailer 1$370 USD
Retailer 8$400 USD
Retailer 15$460 USD
Retailer 5$462 USD
Retailer 11$551 USD
Retailer 6$738 USD
Retailer 10$760 USD
Retailer 4$776 USD
Retailer 12$910 USD
Retailer 14$929 USD
Retailer 9$1,047 USD
Reve Diamonds$1,134 USD

30 data points across 16 retailers

15 retailers$203 USD to $1,134 USD

A
Cheapest Retailer
-
$203 USD
Final sale: no returns
A
Retailer 2
-
$256 USD
View
B+
Retailer 3
-
$312 USD
View
A
Retailer 4
-
$370 USD
View
A
Retailer 5
-
$400 USD
View
A
Retailer 6
-
$460 USD
View
A
Retailer 7
-
$462 USD
View
B+
Retailer 8
-
$551 USD
View
B+
Retailer 9
-
$738 USD
View
B+
Retailer 10
-
$760 USD
View
B+
Retailer 11
-
$776 USD
View
B+
Retailer 12
-
$910 USD
View
B
Retailer 13
-
$929 USD
View
B
Retailer 14
-
$1,047 USD
View
Most Expensive
B
Reve Diamonds
36585FD7B · Nov 6
$1,134 USD
View
14 more retailers have this diamond
Prices start from $203 USDSave up to $931 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
1.50ct Cushion
$203 USD