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Cushion|Lab Grown|IGI

1.82ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG841678784

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG841678784

Diamond specifications and retailer prices

From £472 GBP
As of October 29, 2026
Save £2,772 GBP (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,244 GBP at Brilliant Earth · As of October 28, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG841678784 or 841678784. Listed at 10 retailers as of October 28, 2026, with prices from £472 to £3,244, a £2,772 spread on the same certified stone. Brilliant Earth lists it at £3,244. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841678784
Dimensions9.42 × 6.13 × 4.04 mm
L/W Ratio1.54
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
9.42 mm6.13 mm1.82 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841678784
Side View
Table 58.0%Crown 33.1°Girdle: MED-STKPavilion 37°Culet: NoneDepth 65.9%

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 29
Current: £3,244 GBP|Low: £469 GBP|High: £3,567 GBP|Avg: £1,694 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 4£472 GBP
Retailer 5£579 GBP
Retailer 7£631 GBP
Retailer 2£697 GBP
Retailer 9£871 GBP
Retailer 8£1,631 GBP
Retailer 11£2,023 GBP
Retailer 10£2,472 GBP
Retailer 6£2,875 GBP
Retailer 3£2,967 GBP
Brilliant Earth£3,244 GBP

20 data points across 11 retailers

10 retailers£472 GBP to £3,244 GBP

A
Cheapest Retailer
-
£472 GBP
A
Retailer 2
-
£579 GBP
$770 USD
View
A
Retailer 3
-
£631 GBP
$839 USD
View
A
Retailer 4
-
£697 GBP
€882 EUR
View
A
Retailer 5
-
£871 GBP
$1,158 USD
View
B+
Retailer 6
-
£1,631 GBP
View
B+
Retailer 7
-
£2,023 GBP
$2,688 USD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
£2,472 GBP
$3,285 USD
View
Price last confirmed 8 days ago
B
Retailer 9
-
£2,875 GBP
$3,820 USD
View
Most Expensive
B
Brilliant Earth
22165427Y · Oct 28
£3,244 GBP
$4,310 USD
View
9 more retailers have this diamond
Prices start from £472 GBPSave up to £2,772 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
£472 GBP