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Cushion|Lab Grown|IGI

1.52ct F SI1 Cushion Lab Grown Diamond

EX • F/SI1 • IGI LG12674413

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG12674413

Diamond specifications and retailer prices

From £534 GBP
CA$995 CAD
As of November 2, 2026
Save £172 GBP (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £706 GBP at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12674413 or 12674413. Listed at 2 retailers as of November 1, 2026, with prices from £534 to £706, a £172 spread on the same certified stone. The Diamond Guys lists it at £706. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12674413
Dimensions6.55 × 6.54 × 4.32 mm
L/W Ratio1.00
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
6.55 mm6.54 mm1.52 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG12674413
Side View
Table 60.0%Crown 37°Girdle: STK-UNDPavilion 35.7°Culet: NoneDepth 66.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: £337 GBP|Low: £261 GBP|High: £2,093 GBP|Avg: £873 GBP|-59.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
The Diamond Guys
September 18, 2026
Retailer 4£269 GBP
Retailer 2£285 GBP
Retailer 1£337 GBP
Retailer 5£417 GBP
Retailer 3£534 GBP
Retailer 6£570 GBP
The Diamond Guys£706 GBP

72 data points across 7 retailers

2 retailers£534 GBP to £706 GBP

B+
Cheapest Retailer
-
£534 GBP
CA$995 CAD
Most Expensive
B
The Diamond Guys
1779253351 · Nov 1
£706 GBP
$948 USD
View
1 more retailer has this diamond
Prices start from £534 GBPSave up to £172 GBP

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+
1.52ct Cushion
£534 GBP