Cushion|Lab Grown|IGI

1.91ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG744515022

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG744515022

Diamond specifications and retailer prices

From £638 GBP
$855 USD
As of October 29, 2026
Save £3,191 GBP (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,829 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.91ct lab-grown cushion diamond

This 1.91ct 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 LG744515022 or 744515022. Listed at 11 retailers as of October 29, 2026, with prices from £638 to £3,829, a £3,191 spread on the same certified stone. Do Amore Diamonds lists it at £3,829. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744515022
Dimensions7.29 × 7.16 × 4.78 mm
L/W Ratio1.02
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
7.29 mm7.16 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744515022
Side View
Table 61.0%Crown 34.1°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 66.8%

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: Oct 29
Current: £3,829 GBP|Low: £638 GBP|High: £6,418 GBP|Avg: £2,605 GBP|-40.3%
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
Retailer 14
Retailer 15
October 30, 2026
Retailer 11£638 GBP
Retailer 14£642 GBP
Retailer 3£810 GBP
Retailer 10£822 GBP
Retailer 8£953 GBP
Retailer 15£973 GBP
Retailer 12£1,501 GBP
Retailer 6£2,114 GBP
Retailer 9£2,338 GBP
Retailer 5£2,527 GBP
Retailer 2£3,172 GBP
Retailer 13£3,351 GBP
Do Amore Diamonds£3,829 GBP
Retailer 7£4,982 GBP
Retailer 4£5,868 GBP

30 data points across 15 retailers

11 retailers£638 GBP to £3,829 GBP

A+
Cheapest Retailer
-
£638 GBP
$855 USD
A
Retailer 2
-
£642 GBP
$860 USD
View
A
Retailer 3
-
£810 GBP
$1,085 USD
View
Final sale: no returns
A
Retailer 4
-
£822 GBP
$1,102 USD
View
A
Retailer 5
-
£953 GBP
€1,216 EUR
View
A
Retailer 6
-
£973 GBP
$1,304 USD
View
B+
Retailer 7
-
£1,501 GBP
$2,012 USD
View
B+
Retailer 8
-
£2,338 GBP
View
B
Retailer 9
-
£3,172 GBP
$4,250 USD
View
Retailer 10
-
£3,351 GBP
$4,490 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Do Amore Diamonds
27-D1FC1D74D · Oct 30
£3,829 GBP
$5,130 USD
View
10 more retailers have this diamond
Prices start from £638 GBPSave up to £3,191 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+
1.91ct Cushion
£638 GBP