CaratHunter
Plans
Cushion|Lab Grown|IGI

1.80ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG825652754

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG825652754

Diamond specifications and retailer prices

From £646 GBP
$866 USD
As of November 1, 2026
Save £3,272 GBP (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,918 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.8ct lab-grown cushion diamond

This 1.8ct 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 LG825652754 or 825652754. Listed at 12 retailers as of October 31, 2026, with prices from £646 to £3,918, a £3,272 spread on the same certified stone. Do Amore Diamonds lists it at £3,918. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825652754
Dimensions8.24 × 5.54 × 3.80 mm
L/W Ratio1.49
Culet sizeLarge
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
8.24 mm5.54 mm1.80 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825652754
Side View
Table 66.0%Crown 28.5°Girdle: STK-THKPavilion 41.6°Culet: LargeDepth 68.6%

Caratlytics Score

How it works →
A
Excellent
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: £3,918 GBP|Low: £646 GBP|High: £5,180 GBP|Avg: £2,082 GBP|-24.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 11£646 GBP
Retailer 3£657 GBP
Retailer 10£840 GBP
Retailer 4£881 GBP
Retailer 8£949 GBP
Retailer 2£967 GBP
Retailer 12£1,530 GBP
Retailer 7£2,392 GBP
Retailer 13£2,586 GBP
Retailer 9£2,610 GBP
Retailer 6£2,985 GBP
Retailer 5£3,627 GBP
Do Amore Diamonds£3,918 GBP

23 data points across 13 retailers

12 retailers£646 GBP to £3,918 GBP

A
Cheapest Retailer
-
£646 GBP
$866 USD
A
Retailer 2
-
£657 GBP
$880 USD
View
A
Retailer 3
-
£840 GBP
$1,126 USD
View
A
Retailer 4
-
£854 GBP
$1,144 USD
View
A
Retailer 5
-
£881 GBP
$1,180 USD
View
A
Retailer 6
-
£967 GBP
€1,234 EUR
View
B+
Retailer 7
-
£1,530 GBP
$2,050 USD
View
B+
Retailer 8
-
£2,392 GBP
View
Retailer 9
-
£2,586 GBP
$3,465 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
£2,610 GBP
$3,497 USD
View
B
Retailer 11
-
£2,985 GBP
$4,000 USD
View
Most Expensive
B
Do Amore Diamonds
27-1DDE681A6 · Oct 31
£3,918 GBP
$5,250 USD
View
11 more retailers have this diamond
Prices start from £646 GBPSave up to £3,272 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
1.80ct Cushion
£646 GBP