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Cushion|Lab Grown|IGI

1.82ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG830620107

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG830620107

Diamond specifications and retailer prices

From £531 GBP
$712 USD
As of October 31, 2026
Save £2,693 GBP (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,224 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.82ct lab-grown cushion diamond

This 1.82ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830620107 or 830620107. Listed at 13 retailers as of October 31, 2026, with prices from £531 to £3,224, a £2,693 spread on the same certified stone. Brilliant Earth lists it at £3,224. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.82
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830620107
Dimensions8.68 × 6.08 × 4.14 mm
L/W Ratio1.43
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
8.68 mm6.08 mm1.82 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830620107
Side View
Table 62.0%Crown 36.8°Girdle: THK-VTKPavilion 34.5°Culet: NoneDepth 68.1%

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 31
Current: £3,224 GBP|Low: £531 GBP|High: £4,344 GBP|Avg: £1,396 GBP|-25.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 3£531 GBP
Retailer 2£615 GBP
Retailer 13£675 GBP
Retailer 9£736 GBP
Retailer 7£868 GBP
Retailer 10£890 GBP
Retailer 6£904 GBP
Retailer 11£1,139 GBP
Retailer 5£1,781 GBP
Retailer 12£1,878 GBP
Retailer 4£1,927 GBP
Retailer 8£2,612 GBP
Brilliant Earth£3,224 GBP

4 data points across 13 retailers

13 retailers£531 GBP to £3,224 GBP

A
Cheapest Retailer
-
£531 GBP
$712 USD
Final sale: no returns
A
Retailer 2
-
£615 GBP
View
A
Retailer 3
-
£675 GBP
$905 USD
View
A
Retailer 4
-
£736 GBP
$986 USD
View
A
Retailer 5
-
£868 GBP
€1,108 EUR
View
A
Retailer 6
-
£890 GBP
$1,193 USD
View
A
Retailer 7
-
£904 GBP
View
A
Retailer 8
-
£1,139 GBP
$1,526 USD
View
B+
Retailer 9
-
£1,781 GBP
$2,387 USD
View
B+
Retailer 10
-
£1,878 GBP
$2,516 USD
View
B+
Retailer 11
-
£1,927 GBP
SGD 3,489 SGD
View
B
Retailer 12
-
£2,612 GBP
$3,500 USD
View
Most Expensive
B
Brilliant Earth
22348673A · Oct 31
£3,224 GBP
$4,320 USD
View
12 more retailers have this diamond
Prices start from £531 GBPSave up to £2,693 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
1.82ct Cushion
£531 GBP