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Cushion|Lab Grown|IGI

1.81ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG800677591

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG800677591

Diamond specifications and retailer prices

From £649 GBP
$869 USD
As of November 1, 2026
Save £3,292 GBP (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,941 GBP at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.81ct lab-grown cushion diamond

This 1.81ct 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 LG800677591 or 800677591. Listed at 10 retailers as of November 1, 2026, with prices from £649 to £3,941, a £3,292 spread on the same certified stone. Do Amore Diamonds lists it at £3,941. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677591
Dimensions8.21 × 6.61 × 4.24 mm
L/W Ratio1.24
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
8.21 mm6.61 mm1.81 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677591
Side View
Table 62.0%Crown 35.4°Girdle: STK-THKPavilion 35°Culet: NoneDepth 64.1%

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: £3,941 GBP|Low: £649 GBP|High: £5,217 GBP|Avg: £1,930 GBP|-24.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 6£649 GBP
Retailer 8£661 GBP
Retailer 10£690 GBP
Retailer 5£844 GBP
Retailer 9£890 GBP
Retailer 3£951 GBP
Retailer 2£2,392 GBP
Retailer 7£2,601 GBP
Retailer 4£3,008 GBP
Do Amore Diamonds£3,941 GBP

27 data points across 10 retailers

10 retailers£649 GBP to £3,941 GBP

A
Cheapest Retailer
-
£649 GBP
$869 USD
A
Retailer 2
-
£661 GBP
$885 USD
View
A
Retailer 3
-
£690 GBP
$924 USD
View
Final sale: no returns
A
Retailer 4
-
£844 GBP
$1,131 USD
View
A
Retailer 5
-
£890 GBP
$1,192 USD
View
A
Retailer 6
-
£951 GBP
€1,214 EUR
View
B+
Retailer 7
-
£2,392 GBP
View
Retailer 8
-
£2,601 GBP
$3,485 USD
View
Price last confirmed 11 days ago
B
Retailer 9
-
£3,008 GBP
$4,030 USD
View
Most Expensive
B
Do Amore Diamonds
27-D796FCE5D · Nov 1
£3,941 GBP
$5,280 USD
View
9 more retailers have this diamond
Prices start from £649 GBPSave up to £3,292 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
1.81ct Cushion
£649 GBP