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Cushion|Lab Grown|IGI

4.46ct E SI2 Cushion Lab Grown Diamond

EX • E/SI2 • IGI LG778683678

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG778683678

Diamond specifications and retailer prices

From $1,462 SGD
$1,141 USD
As of October 28, 2026
Save $5,556 SGD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,019 SGD at Mervis Diamond Importers · As of October 29, 2026
View at Mervis Diamond Importers

About this 4.46ct lab-grown cushion diamond

This 4.46ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG778683678 or 778683678. Listed at 10 retailers as of October 28, 2026, with prices from $1,462 to $7,019, a $5,556 spread on the same certified stone. Mervis Diamond Importers lists it at $7,019. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.46
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778683678
Dimensions12.11 × 8.48 × 5.58 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.11 mm8.48 mm4.46 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778683678
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 36.4°Culet: NoneDepth 65.8%

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 28
Current: $7,019 SGD|Low: $1,036 SGD|High: $7,626 SGD|Avg: $3,072 SGD|-8.0%
Mervis Diamond Importers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 8$1,036 SGD
Retailer 7$1,462 SGD
Retailer 9$1,591 SGD
Retailer 2$1,746 SGD
Retailer 3$1,847 SGD
Retailer 10$2,767 SGD
Retailer 4$4,048 SGD
Retailer 5$4,082 SGD
Retailer 6$4,305 SGD
Mervis Diamond Importers$7,019 SGD

40 data points across 10 retailers

10 retailers$1,462 SGD to $7,019 SGD

Retailer 1
-
$1,036 SGD
$808 USD
Price last confirmed 17 days ago
B+
Retailer 2
-
$1,462 SGD
$1,141 USD
View
A
Retailer 3
-
$1,591 SGD
$1,241 USD
View
A
Retailer 4
-
$1,746 SGD
£1,072 GBP
View
A
Retailer 5
-
$1,847 SGD
$1,441 USD
View
B+
Retailer 6
-
$2,767 SGD
$2,159 USD
View
B
Retailer 7
-
$4,048 SGD
$3,159 USD
View
Retailer 8
-
$4,082 SGD
$3,185 USD
View
Price last confirmed 8 days ago
Retailer 9
-
$4,305 SGD
£2,645 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Mervis Diamond Importers
1985410010 · Oct 29
$7,019 SGD
$5,476 USD
View
9 more retailers have this diamond
Prices start from $1,462 SGDSave up to $5,556 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
4.46ct Cushion
$1,462 SGD