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Cushion|Lab Grown|IGI

1.81ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG836607975

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836607975

Diamond specifications and retailer prices

From $905 SGD
$708 USD
As of November 1, 2026
Save $4,592 SGD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,497 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.81ct lab-grown cushion diamond

This 1.81ct 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 LG836607975 or 836607975. Listed at 18 retailers as of October 31, 2026, with prices from $905 to $5,497, a $4,592 spread on the same certified stone. Brilliant Earth lists it at $5,497. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836607975
Dimensions8.58 × 6.15 × 4.16 mm
L/W Ratio1.40
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
8.58 mm6.15 mm1.81 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836607975
Side View
Table 61.0%Crown 34.1°Girdle: STK-VTKPavilion 38.7°Culet: NoneDepth 67.6%

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: $5,497 SGD|Low: $905 SGD|High: $7,415 SGD|Avg: $2,693 SGD|-25.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 4$905 SGD
Retailer 10$996 SGD
Retailer 2$1,048 SGD
Retailer 15$1,144 SGD
Retailer 16$1,516 SGD
Retailer 11$1,540 SGD
Retailer 12$1,580 SGD
Retailer 14$1,703 SGD
Retailer 18$1,932 SGD
Retailer 13$2,148 SGD
Retailer 5$2,883 SGD
Retailer 6$3,036 SGD
Retailer 3$3,200 SGD
Retailer 7$3,279 SGD
Retailer 17$3,910 SGD
Retailer 9$4,459 SGD
Retailer 8$4,500 SGD
Brilliant Earth$5,497 SGD

27 data points across 18 retailers

18 retailers$905 SGD to $5,497 SGD

A
Cheapest Retailer
-
$905 SGD
$708 USD
Final sale: no returns
Retailer 2
-
$996 SGD
$779 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,048 SGD
£645 GBP
View
A
Retailer 4
-
$1,144 SGD
$895 USD
View
A
Retailer 5
-
$1,516 SGD
$1,186 USD
View
A
Retailer 6
-
$1,540 SGD
£949 GBP
View
A
Retailer 7
-
$1,580 SGD
€1,177 EUR
View
A
Retailer 8
-
$1,703 SGD
ZAR 21,521 ZAR
View
A
Retailer 9
-
$1,932 SGD
$1,511 USD
View
A
Retailer 10
-
$2,148 SGD
$1,680 USD
View
B+
Retailer 11
-
$2,883 SGD
£1,776 GBP
View
B+
Retailer 12
-
$3,036 SGD
$2,375 USD
View
B+
Retailer 13
-
$3,200 SGD
$2,503 USD
View
B+
Retailer 14
-
$3,279 SGD
View
B+
Retailer 15
-
$3,910 SGD
£2,408 GBP
View
B
Retailer 16
-
$4,459 SGD
$3,488 USD
View
Retailer 17
-
$4,500 SGD
$3,520 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21695260A · Oct 31
$5,497 SGD
$4,300 USD
View
17 more retailers have this diamond
Prices start from $905 SGDSave up to $4,592 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
1.81ct Cushion
$905 SGD