Cushion|Lab Grown|IGI

1.14ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG833637804

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG833637804

Diamond specifications and retailer prices

From £459 GBP
$615 USD
As of October 30, 2026
Save £1,728 GBP (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,187 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.14ct lab-grown cushion diamond

This 1.14ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG833637804 or 833637804. Listed at 10 retailers as of October 29, 2026, with prices from £459 to £2,187, a £1,728 spread on the same certified stone. Brilliant Earth lists it at £2,187. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.14
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833637804
Dimensions6.49 × 6.36 × 4.03 mm
L/W Ratio1.02
Girdle conditionFaceted
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
6.49 mm6.36 mm1.14 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833637804
Side View
Table 53.0%Crown 33.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.4%

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 30
Current: £2,187 GBP|Low: £389 GBP|High: £2,187 GBP|Avg: £929 GBP
Brilliant Earth
Retailer 2
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Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
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Retailer 17
October 9, 2026
Retailer 7£389 GBP
Retailer 13£459 GBP
Retailer 6£560 GBP
Retailer 16£560 GBP
Retailer 17£565 GBP
Retailer 14£579 GBP
Retailer 2£610 GBP
Retailer 3£625 GBP
Retailer 15£653 GBP
Retailer 12£839 GBP
Retailer 8£1,256 GBP
Retailer 10£1,269 GBP
Retailer 9£1,378 GBP
Retailer 5£1,399 GBP
Retailer 4£1,423 GBP
Retailer 11£1,760 GBP
Brilliant Earth£2,187 GBP

14 data points across 17 retailers

10 retailers£459 GBP to £2,187 GBP

A
Cheapest Retailer
-
£459 GBP
$615 USD
Retailer 2
-
£565 GBP
$757 USD
View
Price last confirmed 29 days ago
A
Retailer 3
-
£610 GBP
$818 USD
View
Retailer 4
-
£653 GBP
ZAR 14,145 ZAR
View
Price last confirmed 30 days ago
B+
Retailer 5
-
£839 GBP
$1,124 USD
View
Retailer 6
-
£1,256 GBP
$1,683 USD
View
Price last confirmed 29 days ago
B
Retailer 7
-
£1,269 GBP
CA$2,362 CAD
View
Retailer 8
-
£1,423 GBP
View
Price last confirmed 30 days ago
B
Retailer 9
-
£1,760 GBP
$2,358 USD
View
Most Expensive
B
Brilliant Earth
21718244A · Oct 29
£2,187 GBP
$2,930 USD
View
9 more retailers have this diamond
Prices start from £459 GBPSave up to £1,728 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
1.14ct Cushion
£459 GBP