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Cushion|Lab Grown|IGI

2.47ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG691509859

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG691509859

Diamond specifications and retailer prices

From £890 GBP
$1,192 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: £890 GBP at William & Sons Jewelers
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at William & Sons Jewelers

About this 2.47ct lab-grown cushion diamond

This 2.47ct lab-grown cushion sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG691509859 or 691509859. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.47
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691509859
Dimensions8.96 × 7.43 × 4.80 mm
L/W Ratio1.21
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
8.96 mm7.43 mm2.47 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691509859
Side View
Table 57.0%Crown 33.2°Girdle: MED-STKPavilion 36.4°Culet: NoneDepth 64.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £1,463 GBP|Low: £666 GBP|High: £5,821 GBP|Avg: £2,310 GBP|+15.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
William & Sons Jewelers
September 27, 2026
William & Sons Jewelers£890 GBP
Retailer 6£1,334 GBP
Retailer 8£1,400 GBP
Retailer 5£1,417 GBP
Retailer 1£1,463 GBP
Retailer 2£1,681 GBP
Retailer 7£1,708 GBP
Retailer 10£2,660 GBP
Retailer 9£3,023 GBP
Retailer 3£3,218 GBP
Retailer 11£3,396 GBP
Retailer 4£5,821 GBP

43 data points across 12 retailers

1 retailer

A
William & Sons Jewelers
cert_LG691509859 · Oct 30
£890 GBP
$1,192 USD
View
Final sale: no returns

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A
2.47ct Cushion
£890 GBP