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Cushion|Lab Grown|IGI

1.91ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG825631229

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

Certificate IGI LG825631229

Diamond specifications and retailer prices

From €984 EUR
$1,099 USD
As of November 1, 2026
Save €2,847 EUR (74%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €3,831 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG825631229 or 825631229. Listed at 6 retailers as of October 31, 2026, with prices from €984 to €3,831, a €2,847 spread on the same certified stone. Brilliant Earth lists it at €3,831. 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
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825631229
Dimensions7.01 × 6.99 × 4.59 mm
L/W Ratio1.00
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
7.01 mm6.99 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825631229
Side View
Table 62.0%Crown 37.8°Girdle: STK-THKPavilion 35.1°Culet: NoneDepth 65.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €3,831 EUR|Low: €815 EUR|High: €5,684 EUR|Avg: €2,278 EUR|-32.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 4€984 EUR
Retailer 2€985 EUR
Retailer 5€1,156 EUR
Retailer 3€1,460 EUR
Retailer 6€2,906 EUR
Brilliant Earth€3,831 EUR

26 data points across 6 retailers

6 retailers€984 EUR to €3,831 EUR

A
Cheapest Retailer
-
€984 EUR
$1,099 USD
A
Retailer 2
-
€985 EUR
$1,100 USD
View
A
Retailer 3
-
€1,156 EUR
View
A
Retailer 4
-
€1,460 EUR
$1,631 USD
View
Retailer 5
-
€2,906 EUR
£2,556 GBP
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
21139335A · Oct 31
€3,831 EUR
$4,280 USD
View
5 more retailers have this diamond
Prices start from €984 EURSave up to €2,847 EUR

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
€984 EUR