Cushion|Lab Grown|IGI

7.56ct E SI2 Cushion Lab Grown Diamond

ID • E/SI2 • IGI LG821690653

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG821690653

Diamond specifications and retailer prices

From £822 GBP
HK$8,600 HKD
As of October 30, 2026
Save £2,724 GBP (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,437 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 7.56ct lab-grown cushion diamond

This 7.56ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG821690653 or 821690653. Listed at 12 retailers as of October 29, 2026, with a 332% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

7.56
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821690653
Dimensions14.00 × 10.01 × 6.21 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.00 mm10.01 mm7.56 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821690653
Side View
Table 60.0%Crown 33.6°Girdle: MED-THKPavilion 32.3°Culet: NoneDepth 62.0%

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: Oct 30
Current: £4,437 GBP|Low: £690 GBP|High: £4,459 GBP|Avg: £1,942 GBP|-0.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 4£690 GBP
Retailer 8£822 GBP
Retailer 10£854 GBP
Retailer 6£1,079 GBP
Retailer 11£1,093 GBP
Retailer 3£1,152 GBP
Retailer 7£1,469 GBP
Retailer 2£1,471 GBP
Retailer 9£2,374 GBP
Retailer 12£2,529 GBP
Retailer 13£2,686 GBP
Retailer 5£3,545 GBP
Rare Carat£4,437 GBP

39 data points across 13 retailers

12 retailers£822 GBP to £3,545 GBP

A
Cheapest Retailer
-
£822 GBP
HK$8,600 HKD
A
Retailer 2
-
£854 GBP
View
A
Retailer 3
-
£1,079 GBP
€1,377 EUR
View
A
Retailer 4
-
£1,093 GBP
View
B+
Retailer 5
-
£1,152 GBP
$1,544 USD
View
A
Retailer 6
-
£1,469 GBP
A$3,028 AUD
View
A
Retailer 7
-
£1,471 GBP
$1,971 USD
View
B+
Retailer 8
-
£2,374 GBP
SGD 4,299 SGD
View
B+
Retailer 9
-
£2,529 GBP
$3,389 USD
View
B+
Retailer 10
-
£2,686 GBP
View
B
Retailer 11
-
£3,545 GBP
$4,750 USD
View
Most Expensive
Rare Carat
154043-C · Oct 21
£4,437 GBP
$5,945 USD
View
Price last confirmed 9 days ago
11 more retailers have this diamond
Prices start from £822 GBPSave up to £2,724 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
7.56ct Cushion
£822 GBP