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Cushion|Lab Grown|IGI

1.91ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804668292

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

Certificate IGI LG804668292

Diamond specifications and retailer prices

From £811 GBP
$1,086 USD
As of October 30, 2026
Save £2,958 GBP (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,769 GBP at Do Amore Diamonds · As of October 29, 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 LG804668292 or 804668292. Listed at 7 retailers as of October 29, 2026, with prices from £811 to £3,769, a £2,958 spread on the same certified stone. Do Amore Diamonds lists it at £3,769. 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 angle35.9°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804668292
Dimensions7.00 × 6.93 × 4.58 mm
L/W Ratio1.01
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
7.00 mm6.93 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804668292
Side View
Table 60.0%Crown 35.9°Girdle: STK-THKPavilion 36.7°Culet: NoneDepth 66.1%

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: £3,769 GBP|Low: £526 GBP|High: £4,530 GBP|Avg: £1,790 GBP|-7.7%
Do Amore Diamonds
Retailer 2
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October 30, 2026
Retailer 5£526 GBP
Retailer 6£566 GBP
Retailer 12£811 GBP
Retailer 10£855 GBP
Retailer 16£937 GBP
Retailer 14£1,244 GBP
Retailer 7£1,311 GBP
Retailer 15£1,314 GBP
Retailer 13£1,334 GBP
Retailer 11£1,672 GBP
Retailer 4£2,081 GBP
Retailer 9£2,301 GBP
Retailer 3£2,819 GBP
Retailer 8£2,856 GBP
Retailer 2£3,172 GBP
Do Amore Diamonds£3,769 GBP

18 data points across 16 retailers

7 retailers£811 GBP to £3,769 GBP

A
Cheapest Retailer
-
£811 GBP
$1,086 USD
A
Retailer 2
-
£855 GBP
$1,145 USD
View
B+
Retailer 3
-
£1,334 GBP
$1,788 USD
View
B+
Retailer 4
-
£1,672 GBP
$2,240 USD
View
B+
Retailer 5
-
£2,301 GBP
View
B
Retailer 6
-
£3,172 GBP
$4,250 USD
View
Most Expensive
B
Do Amore Diamonds
27-A089F8CE4 · Oct 29
£3,769 GBP
$5,050 USD
View
6 more retailers have this diamond
Prices start from £811 GBPSave up to £2,958 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
£811 GBP