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Cushion|Lab Grown|IGI

1.53ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG12747217

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG12747217

Diamond specifications and retailer prices

From $925 USD
As of November 5, 2026
Save $299 USD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,224 USD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12747217 or 12747217. Listed at 2 retailers as of November 5, 2026, with prices from $925 to $1,224, a $299 spread on the same certified stone. The Diamond Guys lists it at $1,224. 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

1.53
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12747217
Dimensions6.56 × 6.42 × 4.49 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by High Pressure High Tempertature (HPHT) growth process.
Top View
6.56 mm6.42 mm1.53 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG12747217
Side View
Table 62.5%Crown 35°Girdle: MED-UNDPavilion 40.4°Culet: NoneDepth 69.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $595 USD|Low: $369 USD|High: $1,224 USD|Avg: $738 USD|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
The Diamond Guys
September 18, 2026
Retailer 2$369 USD
Retailer 3$468 USD
Retailer 1$595 USD
Retailer 4$925 USD
The Diamond Guys$1,224 USD

40 data points across 5 retailers

2 retailers$925 USD to $1,224 USD

B
Cheapest Retailer
-
$925 USD
Most Expensive
B
The Diamond Guys
1779252909 · Nov 6
$1,224 USD
View
1 more retailer has this diamond
Prices start from $925 USDSave up to $299 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.

B
1.53ct Cushion
$925 USD