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Cushion|Lab Grown|IGI

2.63ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG702502761

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG702502761

Diamond specifications and retailer prices

From £689 GBP
$915 USD
As of October 28, 2026
Save £4,060 GBP (85%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,749 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.63ct lab-grown cushion diamond

This 2.63ct 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 LG702502761 or 702502761. Listed at 8 retailers as of October 28, 2026, with prices from £689 to £4,749, a £4,060 spread on the same certified stone. Brilliant Earth lists it at £4,749. 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

2.63
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG702502761
Dimensions7.83 × 7.69 × 5.02 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.83 mm7.69 mm2.63 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG702502761
Side View
Table 65.0%Crown 35.7°Girdle: STK-VTKPavilion 37.3°Culet: NoneDepth 65.3%

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: Oct 28
Current: £4,749 GBP|Low: £501 GBP|High: £4,899 GBP|Avg: £1,713 GBP|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 8£689 GBP
Retailer 4£941 GBP
Retailer 3£959 GBP
Retailer 5£1,209 GBP
Retailer 7£1,233 GBP
Retailer 6£1,370 GBP
Retailer 2£2,834 GBP
Brilliant Earth£4,749 GBP

31 data points across 8 retailers

8 retailers£689 GBP to £4,749 GBP

A
Cheapest Retailer
-
£689 GBP
$915 USD
Final sale: no returns
A
Retailer 2
-
£941 GBP
$1,250 USD
View
A
Retailer 3
-
£959 GBP
$1,274 USD
View
A
Retailer 4
-
£1,209 GBP
$1,606 USD
View
A
Retailer 5
-
£1,233 GBP
€1,560 EUR
View
A
Retailer 6
-
£1,370 GBP
$1,821 USD
View
B+
Retailer 7
-
£2,834 GBP
View
Most Expensive
B
Brilliant Earth
15325324A · Oct 28
£4,749 GBP
$6,310 USD
View
7 more retailers have this diamond
Prices start from £689 GBPSave up to £4,060 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.

A
2.63ct Cushion
£689 GBP