Cushion|Lab Grown|IGI

3.18ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG831615121

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831615121

Diamond specifications and retailer prices

From $1,064 SGD
€793 EUR
As of October 31, 2026
Save $1,944 SGD (65%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,008 SGD at With Clarity · As of October 31, 2026
View at With Clarity

About this 3.18ct lab-grown cushion diamond

This 3.18ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831615121 or 831615121. Listed at 8 retailers as of October 31, 2026, with prices from $1,064 to $3,008, a $1,944 spread on the same certified stone. With Clarity lists it at $3,008. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.18
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831615121
Dimensions10.57 × 7.48 × 5.09 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.57 mm7.48 mm3.18 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831615121
Side View
Table 62.0%Crown 34.4°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 68.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $1,064 SGD|Low: $808 SGD|High: $2,948 SGD|Avg: $1,928 SGD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
October 31, 2026
Retailer 4$808 SGD
Retailer 1$1,064 SGD
Retailer 7$1,161 SGD
Retailer 2$2,033 SGD
Retailer 5$2,333 SGD
Retailer 3$2,482 SGD
Retailer 6$2,707 SGD
With Clarity$2,948 SGD

27 data points across 8 retailers

8 retailers$1,064 SGD to $3,008 SGD

Retailer 1
-
$808 SGD
£498 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
$1,064 SGD
€793 EUR
View
A
Retailer 3
-
$1,161 SGD
$908 USD
View
B+
Retailer 4
-
$2,033 SGD
$1,590 USD
View
B+
Retailer 5
-
$2,333 SGD
$1,825 USD
View
B+
Retailer 6
-
$2,482 SGD
£1,529 GBP
View
Retailer 7
-
$2,707 SGD
View
Price last confirmed 18 days ago
Most Expensive
B+
With Clarity
831615121 · Oct 31
$3,008 SGD
$2,353 USD
View
7 more retailers have this diamond
Prices start from $1,064 SGDSave up to $1,944 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
3.18ct Cushion
$1,064 SGD