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Cushion|Lab Grown|IGI

1.86ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG840633271

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

Certificate IGI LG840633271

Diamond specifications and retailer prices

From $950 SGD
$743 USD
As of October 30, 2026
Save $4,381 SGD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,331 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.86ct lab-grown cushion diamond

This 1.86ct 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 LG840633271 or 840633271. Listed at 20 retailers as of October 30, 2026, with prices from $950 to $5,331, a $4,381 spread on the same certified stone. Brilliant Earth lists it at $5,331. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840633271
Dimensions7.16 × 6.99 × 4.77 mm
L/W Ratio1.02
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
7.16 mm6.99 mm1.86 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840633271
Side View
Table 56.0%Crown 35°Girdle: STK-THKPavilion 38.8°Culet: NoneDepth 68.2%

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: Oct 30
Current: $5,331 SGD|Low: $701 SGD|High: $7,619 SGD|Avg: $2,766 SGD|-30.0%
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
Retailer 19
Retailer 20
November 1, 2026
Retailer 5$950 SGD
Retailer 12$954 SGD
Retailer 16$1,025 SGD
Retailer 18$1,119 SGD
Retailer 8$1,252 SGD
Retailer 19$1,482 SGD
Retailer 2$1,501 SGD
Retailer 13$1,654 SGD
Retailer 17$1,662 SGD
Retailer 3$2,015 SGD
Retailer 14$2,093 SGD
Retailer 7$2,806 SGD
Retailer 4$3,125 SGD
Retailer 15$3,301 SGD
Retailer 9$3,435 SGD
Retailer 20$4,203 SGD
Retailer 11$4,570 SGD
Retailer 10$4,615 SGD
Retailer 6$4,841 SGD
Brilliant Earth$5,331 SGD

25 data points across 20 retailers

20 retailers$950 SGD to $5,331 SGD

A
Cheapest Retailer
-
$950 SGD
$743 USD
Final sale: no returns
Retailer 2
-
$954 SGD
$746 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$1,025 SGD
£632 GBP
View
A
Retailer 4
-
$1,119 SGD
$875 USD
View
A
Retailer 5
-
$1,252 SGD
$979 USD
View
A
Retailer 6
-
$1,482 SGD
$1,159 USD
View
A
Retailer 7
-
$1,501 SGD
£925 GBP
View
A
Retailer 8
-
$1,654 SGD
€1,232 EUR
View
A
Retailer 9
-
$1,662 SGD
ZAR 20,998 ZAR
View
A
Retailer 10
-
$2,015 SGD
$1,576 USD
View
A
Retailer 11
-
$2,093 SGD
$1,637 USD
View
B+
Retailer 12
-
$2,806 SGD
£1,728 GBP
View
B+
Retailer 13
-
$3,125 SGD
$2,445 USD
View
B+
Retailer 14
-
$3,301 SGD
$2,582 USD
View
B+
Retailer 15
-
$3,435 SGD
View
B+
Retailer 16
-
$4,203 SGD
£2,589 GBP
View
B
Retailer 17
-
$4,570 SGD
$3,575 USD
View
Retailer 18
-
$4,615 SGD
$3,610 USD
View
Price last confirmed 10 days ago
B
Retailer 19
-
$4,841 SGD
$3,787 USD
View
Most Expensive
B
Brilliant Earth
21729253A · Oct 31
$5,331 SGD
$4,170 USD
View
19 more retailers have this diamond
Prices start from $950 SGDSave up to $4,381 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
1.86ct Cushion
$950 SGD