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Cushion|Lab Grown|IGI

1.91ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG801694040

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG801694040

Diamond specifications and retailer prices

From £727 GBP
$974 USD
As of October 30, 2026
Save £3,885 GBP (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,612 GBP at Do Amore Diamonds · As of October 31, 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 LG801694040 or 801694040. Listed at 10 retailers as of October 30, 2026, with prices from £727 to £4,612, a £3,885 spread on the same certified stone. Do Amore Diamonds lists it at £4,612. 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 angle34.6°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801694040
Dimensions8.66 × 6.66 × 4.29 mm
L/W Ratio1.30
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
8.66 mm6.66 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801694040
Side View
Table 58.0%Crown 34.6°Girdle: STK-THKPavilion 35.5°Culet: NoneDepth 64.4%

Caratlytics Score

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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: Oct 30
Current: £4,612 GBP|Low: £727 GBP|High: £6,418 GBP|Avg: £2,291 GBP|-28.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7£727 GBP
Retailer 9£750 GBP
Retailer 11£810 GBP
Retailer 6£978 GBP
Retailer 10£993 GBP
Retailer 2£1,116 GBP
Retailer 5£2,505 GBP
Retailer 3£2,902 GBP
Retailer 8£3,351 GBP
Retailer 4£3,388 GBP
Do Amore Diamonds£4,612 GBP

28 data points across 11 retailers

10 retailers£727 GBP to £4,612 GBP

A
Cheapest Retailer
-
£727 GBP
$974 USD
A
Retailer 2
-
£750 GBP
$1,005 USD
View
A
Retailer 3
-
£810 GBP
$1,085 USD
View
Final sale: no returns
A
Retailer 4
-
£978 GBP
$1,311 USD
View
A
Retailer 5
-
£993 GBP
$1,331 USD
View
A
Retailer 6
-
£1,116 GBP
€1,424 EUR
View
B+
Retailer 7
-
£2,505 GBP
View
Retailer 8
-
£3,351 GBP
$4,490 USD
View
Price last confirmed 10 days ago
B
Retailer 9
-
£3,388 GBP
$4,540 USD
View
Most Expensive
B
Do Amore Diamonds
27-23E9C1F03 · Oct 31
£4,612 GBP
$6,180 USD
View
9 more retailers have this diamond
Prices start from £727 GBPSave up to £3,885 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
£727 GBP