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Cushion|Lab Grown|IGI

1.08ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846663200

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846663200

Diamond specifications and retailer prices

From £313 GBP
As of November 1, 2026
Save £1,321 GBP (81%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,634 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.08ct lab-grown cushion diamond

This 1.08ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663200 or 846663200. Listed at 8 retailers as of October 31, 2026, with prices from £313 to £1,634, a £1,321 spread on the same certified stone. Brilliant Earth lists it at £1,634. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.08
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663200
Dimensions7.67 × 5.10 × 3.47 mm
L/W Ratio1.50
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
7.67 mm5.10 mm1.08 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663200
Side View
Table 62.0%Crown 35°Girdle: STK-THKPavilion 38°Culet: NoneDepth 68.0%

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: Nov 1
Current: £1,634 GBP|Low: £313 GBP|High: £1,746 GBP|Avg: £817 GBP|-6.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2£313 GBP
Retailer 8£463 GBP
Retailer 4£512 GBP
Retailer 6£512 GBP
Retailer 3£641 GBP
Retailer 5£1,273 GBP
Retailer 7£1,382 GBP
Brilliant Earth£1,634 GBP

8 data points across 8 retailers

8 retailers£313 GBP to £1,634 GBP

A
Cheapest Retailer
-
£313 GBP
A
Retailer 2
-
£463 GBP
$620 USD
View
A
Retailer 3
-
£512 GBP
$686 USD
View
A
Retailer 4
-
£512 GBP
$686 USD
View
A
Retailer 5
-
£641 GBP
€818 EUR
View
B+
Retailer 6
-
£1,273 GBP
$1,706 USD
View
B
Retailer 7
-
£1,382 GBP
View
Most Expensive
B
Brilliant Earth
22305592A · Oct 31
£1,634 GBP
$2,190 USD
View
7 more retailers have this diamond
Prices start from £313 GBPSave up to £1,321 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
1.08ct Cushion
£313 GBP