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Cushion|Lab Grown|IGI

1.82ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818655824

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818655824

Diamond specifications and retailer prices

From £831 GBP
HK$8,700 HKD
As of October 31, 2026
Save £2,582 GBP (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,413 GBP at With Clarity · As of October 31, 2026
View at With Clarity

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 LG818655824 or 818655824. Listed at 11 retailers as of October 31, 2026, with prices from £831 to £3,413, a £2,582 spread on the same certified stone. With Clarity lists it at £3,413. 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 angle36.4°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818655824
Dimensions8.31 × 6.60 × 4.32 mm
L/W Ratio1.26
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
8.31 mm6.60 mm1.82 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818655824
Side View
Table 60.0%Crown 36.4°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 65.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £1,040 GBP|Low: £831 GBP|High: £4,382 GBP|Avg: £1,869 GBP|-18.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
November 1, 2026
Retailer 6£831 GBP
Retailer 10£1,022 GBP
Retailer 1£1,040 GBP
Retailer 3£1,084 GBP
Retailer 9£1,177 GBP
Retailer 4£1,247 GBP
Retailer 8£1,733 GBP
Retailer 7£2,292 GBP
Retailer 2£2,344 GBP
Retailer 5£2,545 GBP
With Clarity£3,413 GBP

42 data points across 11 retailers

11 retailers£831 GBP to £3,413 GBP

A
Cheapest Retailer
-
£831 GBP
HK$8,700 HKD
A
Retailer 2
-
£1,022 GBP
$1,370 USD
View
A
Retailer 3
-
£1,040 GBP
View
A
Retailer 4
-
£1,084 GBP
€1,383 EUR
View
A
Retailer 5
-
£1,177 GBP
$1,577 USD
View
A
Retailer 6
-
£1,247 GBP
ZAR 26,982 ZAR
View
B+
Retailer 7
-
£1,733 GBP
$2,322 USD
View
B+
Retailer 8
-
£2,292 GBP
$3,071 USD
View
B
Retailer 9
-
£2,344 GBP
$3,140 USD
View
Retailer 10
-
£2,545 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
With Clarity
818655824 · Oct 31
£3,413 GBP
$4,573 USD
View
10 more retailers have this diamond
Prices start from £831 GBPSave up to £2,582 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
£831 GBP