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Cushion|Lab Grown|IGI

1.00ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804657201

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804657201

Diamond specifications and retailer prices

From £283 GBP
As of November 1, 2026
Save £1,501 GBP (84%) vs most expensive(unlock to see where)
9 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 LG804657201 or 804657201. Listed at 9 retailers as of October 31, 2026, with prices from £283 to £1,784, a £1,501 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 angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804657201
Dimensions7.07 × 5.07 × 3.40 mm
L/W Ratio1.39
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
7.07 mm5.07 mm1.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804657201
Side View
Table 61.0%Crown 33.7°Girdle: MED-THKPavilion 34.8°Culet: NoneDepth 67.1%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,784 GBP|Low: £232 GBP|High: £2,008 GBP|Avg: £817 GBP|-11.2%
Do Amore Diamonds
Retailer 2
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November 1, 2026
Retailer 5£232 GBP
Retailer 6£259 GBP
Retailer 2£283 GBP
Retailer 14£413 GBP
Retailer 11£422 GBP
Retailer 7£464 GBP
Retailer 3£543 GBP
Retailer 17£648 GBP
Retailer 18£668 GBP
Retailer 12£705 GBP
Retailer 10£721 GBP
Retailer 15£799 GBP
Retailer 9£967 GBP
Retailer 4£1,092 GBP
Retailer 13£1,112 GBP
Retailer 16£1,214 GBP
Retailer 8£1,320 GBP
Do Amore Diamonds£1,784 GBP

24 data points across 18 retailers

9 retailers£283 GBP to £1,784 GBP

A+
Cheapest Retailer
-
£283 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
Retailer 6
-
£967 GBP
$1,296 USD
View
Price last confirmed 53 days ago
B+
Retailer 7
-
£1,112 GBP
$1,490 USD
View
B+
Retailer 8
-
£1,214 GBP
View
Most Expensive
B
Do Amore Diamonds
27-35E978DD6 · Oct 31
£1,784 GBP
$2,390 USD
View
8 more retailers have this diamond
Prices start from £283 GBPSave up to £1,501 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
£283 GBP