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Cushion|Lab Grown|IGI

1.09ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG801694817

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG801694817

Diamond specifications and retailer prices

From £396 GBP
$530 USD
As of October 30, 2026
Save £1,642 GBP (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,037 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.09ct lab-grown cushion diamond

This 1.09ct 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 LG801694817 or 801694817. Listed at 7 retailers as of October 30, 2026, with prices from £396 to £2,037, a £1,642 spread on the same certified stone. Do Amore Diamonds lists it at £2,037. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801694817
Dimensions6.75 × 5.49 × 3.82 mm
L/W Ratio1.23
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
6.75 mm5.49 mm1.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801694817
Side View
Table 59.0%Crown 34.2°Girdle: MED-THKPavilion 38.4°Culet: NoneDepth 69.6%

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: Oct 30
Current: £2,037 GBP|Low: £385 GBP|High: £2,179 GBP|Avg: £1,121 GBP|-6.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 7£396 GBP
Retailer 5£399 GBP
Retailer 6£464 GBP
Retailer 3£535 GBP
Retailer 2£1,217 GBP
Retailer 4£1,264 GBP
Retailer 8£1,494 GBP
Do Amore Diamonds£2,037 GBP

22 data points across 8 retailers

7 retailers£396 GBP to £2,037 GBP

A
Cheapest Retailer
-
£396 GBP
$530 USD
A
Retailer 2
-
£399 GBP
$535 USD
View
A
Retailer 3
-
£464 GBP
$622 USD
View
A
Retailer 4
-
£535 GBP
€683 EUR
View
B+
Retailer 5
-
£1,217 GBP
$1,630 USD
View
B+
Retailer 6
-
£1,264 GBP
View
Most Expensive
B
Do Amore Diamonds
27-55A00E098 · Oct 30
£2,037 GBP
$2,730 USD
View
6 more retailers have this diamond
Prices start from £396 GBPSave up to £1,642 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
1.09ct Cushion
£396 GBP