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Cushion|Lab Grown|IGI

1.00ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804657235

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG804657235

Diamond specifications and retailer prices

From £284 GBP
As of October 30, 2026
Save £1,500 GBP (84%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,784 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1ct lab-grown cushion diamond

This 1ct 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 LG804657235 or 804657235. Listed at 8 retailers as of October 30, 2026, with prices from £284 to £1,784, a £1,500 spread on the same certified stone. Do Amore Diamonds lists it at £1,784. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804657235
Dimensions7.18 × 4.98 × 3.40 mm
L/W Ratio1.44
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
7.18 mm4.98 mm1.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804657235
Side View
Table 61.0%Crown 33.7°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
A+
Exceptional
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: £1,784 GBP|Low: £232 GBP|High: £2,008 GBP|Avg: £833 GBP|-11.2%
Do Amore Diamonds
Retailer 2
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October 31, 2026
Retailer 4£232 GBP
Retailer 5£259 GBP
Retailer 11£284 GBP
Retailer 12£413 GBP
Retailer 2£422 GBP
Retailer 6£464 GBP
Retailer 3£543 GBP
Retailer 15£648 GBP
Retailer 16£668 GBP
Retailer 9£705 GBP
Retailer 13£799 GBP
Retailer 10£1,112 GBP
Retailer 14£1,214 GBP
Retailer 7£1,320 GBP
Retailer 8£1,376 GBP
Do Amore Diamonds£1,784 GBP

20 data points across 16 retailers

8 retailers£284 GBP to £1,784 GBP

A+
Cheapest Retailer
-
£284 GBP
A
Retailer 2
-
£413 GBP
$553 USD
View
A
Retailer 3
-
£422 GBP
$565 USD
View
B+
Retailer 4
-
£705 GBP
$945 USD
View
B+
Retailer 5
-
£799 GBP
$1,071 USD
View
B+
Retailer 6
-
£1,112 GBP
$1,490 USD
View
B+
Retailer 7
-
£1,214 GBP
View
Most Expensive
B
Do Amore Diamonds
27-51CD11D32 · Oct 31
£1,784 GBP
$2,390 USD
View
7 more retailers have this diamond
Prices start from £284 GBPSave up to £1,500 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+
1.00ct Cushion
£284 GBP