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Cushion|Lab Grown|IGI

1.31ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846663203

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846663203

Diamond specifications and retailer prices

From $641 SGD
£395 GBP
As of November 1, 2026
Save $2,569 SGD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,210 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.31ct lab-grown cushion diamond

This 1.31ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663203 or 846663203. Listed at 9 retailers as of October 31, 2026, with prices from $641 to $3,210, a $2,569 spread on the same certified stone. Brilliant Earth lists it at $3,210. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663203
Dimensions8.15 × 5.36 × 3.75 mm
L/W Ratio1.52
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
8.15 mm5.36 mm1.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663203
Side View
Table 58.0%Crown 31°Girdle: STK-THKPavilion 36.9°Culet: NoneDepth 70.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $3,210 SGD|Low: $641 SGD|High: $3,274 SGD|Avg: $1,561 SGD|-2.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5$641 SGD
Retailer 8$959 SGD
Retailer 4$989 SGD
Retailer 6$1,233 SGD
Retailer 7$1,261 SGD
Retailer 9$1,985 SGD
Retailer 3$2,435 SGD
Retailer 2$2,481 SGD
Brilliant Earth$3,210 SGD

8 data points across 9 retailers

9 retailers$641 SGD to $3,210 SGD

A
Cheapest Retailer
-
$641 SGD
£395 GBP
A
Retailer 2
-
$959 SGD
$750 USD
View
A
Retailer 3
-
$989 SGD
$773 USD
View
A
Retailer 4
-
$1,233 SGD
$964 USD
View
A
Retailer 5
-
$1,261 SGD
€939 EUR
View
B+
Retailer 6
-
$1,985 SGD
$1,552 USD
View
B+
Retailer 7
-
$2,435 SGD
£1,499 GBP
View
B
Retailer 8
-
$2,481 SGD
$1,940 USD
View
Most Expensive
B
Brilliant Earth
22305438A · Oct 31
$3,210 SGD
$2,510 USD
View
8 more retailers have this diamond
Prices start from $641 SGDSave up to $2,569 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
1.31ct Cushion
$641 SGD