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Cushion|Lab Grown|IGI

1.82ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG839684884

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG839684884

Diamond specifications and retailer prices

From £1,046 GBP
As of November 1, 2026
Save £3,706 GBP (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £4,753 GBP at Riddles Jewelry · As of October 31, 2026
View at Riddles Jewelry

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 LG839684884 or 839684884. Listed at 22 retailers as of October 31, 2026, with prices from £1,046 to £4,753, a £3,706 spread on the same certified stone. Riddles Jewelry lists it at £4,753. 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 angle35.3°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839684884
Dimensions8.53 × 6.48 × 4.22 mm
L/W Ratio1.32
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
8.53 mm6.48 mm1.82 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839684884
Side View
Table 61.0%Crown 35.3°Girdle: MED-THKPavilion 36.6°Culet: NoneDepth 65.1%

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: Nov 1
Current: £3,139 GBP|Low: £925 GBP|High: £4,753 GBP|Avg: £2,233 GBP|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
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Retailer 11
Retailer 12
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Retailer 17
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Retailer 19
Retailer 20
Riddles Jewelry
November 1, 2026
Retailer 19£925 GBP
Retailer 12£1,046 GBP
Retailer 6£1,051 GBP
Retailer 17£1,056 GBP
Retailer 10£1,137 GBP
Retailer 4£1,249 GBP
Retailer 18£1,287 GBP
Retailer 14£1,341 GBP
Retailer 15£1,407 GBP
Retailer 11£1,582 GBP
Retailer 16£1,701 GBP
Retailer 9£2,265 GBP
Retailer 20£2,489 GBP
Retailer 2£2,559 GBP
Retailer 8£2,803 GBP
Retailer 3£2,961 GBP
Retailer 1£3,139 GBP
Retailer 7£3,233 GBP
Retailer 5£3,876 GBP
Retailer 13£4,460 GBP
Riddles Jewelry£4,753 GBP

30 data points across 21 retailers

22 retailers£1,046 GBP to £4,753 GBP

Retailer 1
-
£925 GBP
$1,240 USD
Price last confirmed 15 days ago
A
Retailer 2
-
£1,046 GBP
View
A
Retailer 3
-
£1,051 GBP
$1,408 USD
View
Final sale: no returns
A
Retailer 4
-
£1,056 GBP
$1,415 USD
View
A
Retailer 5
-
£1,137 GBP
$1,523 USD
View
A
Retailer 6
-
£1,249 GBP
$1,674 USD
View
B+
Retailer 7
-
£1,287 GBP
$1,724 USD
View
A
Retailer 8
-
£1,341 GBP
View
B+
Retailer 9
-
£1,407 GBP
€1,795 EUR
View
B+
Retailer 10
-
£1,582 GBP
$2,120 USD
View
B+
Retailer 11
-
£1,701 GBP
ZAR 36,829 ZAR
View
B+
Retailer 12
-
£2,265 GBP
$3,035 USD
View
B+
Retailer 13
-
£2,489 GBP
$3,335 USD
View
B
Retailer 14
-
£2,559 GBP
View
B
Retailer 15
-
£2,803 GBP
CA$5,216 CAD
View
B
Retailer 16
-
£2,961 GBP
$3,967 USD
View
B+
Retailer 17
-
£3,139 GBP
View
B
Retailer 18
-
£3,233 GBP
$4,332 USD
View
B
Retailer 19
-
£3,876 GBP
$5,194 USD
View
B
Retailer 20
-
£4,381 GBP
$5,870 USD
View
B
Retailer 21
-
£4,460 GBP
$5,976 USD
View
Most Expensive
B
Riddles Jewelry
1987846142 · Oct 31
£4,753 GBP
$6,368 USD
View
21 more retailers have this diamond
Prices start from £1,046 GBPSave up to £3,706 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
£1,046 GBP