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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 $1,405 SGD
$1,099 USD
As of October 30, 2026
Save $4,067 SGD (74%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,472 SGD at Brilliant Earth · As of October 30, 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 30, 2026, with prices from $1,405 to $5,472, a $4,067 spread on the same certified stone. Brilliant Earth lists it at $5,472. 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 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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Price History

Last verified: Oct 30
Current: $5,472 SGD|Low: $1,163 SGD|High: $8,118 SGD|Avg: $3,253 SGD|-32.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 4$1,405 SGD
Retailer 2$1,406 SGD
Retailer 5$1,651 SGD
Retailer 3$2,085 SGD
Retailer 6$4,150 SGD
Brilliant Earth$5,472 SGD

26 data points across 6 retailers

6 retailers$1,405 SGD to $5,472 SGD

A
Cheapest Retailer
-
$1,405 SGD
$1,099 USD
A
Retailer 2
-
$1,406 SGD
$1,100 USD
View
A
Retailer 3
-
$1,651 SGD
€1,230 EUR
View
A
Retailer 4
-
$2,085 SGD
$1,631 USD
View
Retailer 5
-
$4,150 SGD
£2,556 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21139335A · Oct 30
$5,472 SGD
$4,280 USD
View
5 more retailers have this diamond
Prices start from $1,405 SGDSave up to $4,067 SGD

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
$1,405 SGD