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Cushion|Lab Grown|IGI

1.83ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG724532481

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG724532481

Diamond specifications and retailer prices

From £360 GBP
$483 USD
As of October 30, 2026
Save £2,401 GBP (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,761 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.83ct lab-grown cushion diamond

This 1.83ct 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 LG724532481 or 724532481. Listed at 13 retailers as of October 30, 2026, with prices from £360 to £2,761, a £2,401 spread on the same certified stone. Brilliant Earth lists it at £2,761. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG724532481
Dimensions8.03 × 6.52 × 4.68 mm
L/W Ratio1.23
Girdle conditionFaceted
Culet sizePointed
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
8.03 mm6.52 mm1.83 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG724532481
Side View
Table 62.0%Crown 35.5°Girdle: MED-THKPavilion 40°Culet: NoneDepth 71.8%

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: £2,761 GBP|Low: £257 GBP|High: £4,067 GBP|Avg: £1,438 GBP|-32.1%
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
October 30, 2026
Retailer 5£360 GBP
Retailer 8£493 GBP
Retailer 13£530 GBP
Retailer 10£587 GBP
Retailer 6£639 GBP
Retailer 3£866 GBP
Retailer 2£950 GBP
Retailer 11£1,089 GBP
Retailer 7£1,507 GBP
Retailer 4£2,364 GBP
Retailer 12£2,440 GBP
Retailer 9£2,649 GBP
Brilliant Earth£2,761 GBP

30 data points across 13 retailers

13 retailers£360 GBP to £2,761 GBP

A
Cheapest Retailer
-
£360 GBP
$483 USD
Final sale: no returns
A
Retailer 2
-
£493 GBP
$661 USD
View
A
Retailer 3
-
£530 GBP
$710 USD
View
A
Retailer 4
-
£587 GBP
$786 USD
View
A
Retailer 5
-
£639 GBP
€816 EUR
View
A
Retailer 6
-
£866 GBP
$1,161 USD
View
A
Retailer 7
-
£950 GBP
A$1,959 AUD
View
A
Retailer 8
-
£1,089 GBP
$1,459 USD
View
B+
Retailer 9
-
£1,507 GBP
View
Retailer 10
-
£2,364 GBP
A$4,873 AUD
View
Price last confirmed 23 days ago
Retailer 11
-
£2,440 GBP
$3,270 USD
View
Price last confirmed 9 days ago
B
Retailer 12
-
£2,649 GBP
$3,550 USD
View
Most Expensive
B
Brilliant Earth
15290781Y · Oct 30
£2,761 GBP
$3,700 USD
View
12 more retailers have this diamond
Prices start from £360 GBPSave up to £2,401 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
1.83ct Cushion
£360 GBP