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Cushion|Lab Grown|IGI

3.56ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG811678412

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

Certificate IGI LG811678412

Diamond specifications and retailer prices

From $1,289 SGD
$1,008 USD
As of October 29, 2026
Save $7,762 SGD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $9,051 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.56ct lab-grown cushion diamond

This 3.56ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811678412 or 811678412. Listed at 20 retailers as of October 29, 2026, with prices from $1,289 to $9,051, a $7,762 spread on the same certified stone. Brilliant Earth lists it at $9,051. 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

3.56
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811678412
Dimensions9.00 × 8.94 × 5.67 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.00 mm8.94 mm3.56 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811678412
Side View
Table 65.0%Crown 33.5°Girdle: MED-THKPavilion 38.7°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
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 29
Current: $9,051 SGD|Low: $1,289 SGD|High: $9,051 SGD|Avg: $3,432 SGD
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
October 31, 2026
Retailer 3$1,289 SGD
Retailer 12$1,439 SGD
Retailer 13$1,445 SGD
Retailer 14$1,555 SGD
Retailer 18$1,712 SGD
Retailer 4$1,907 SGD
Retailer 2$2,057 SGD
Retailer 15$2,259 SGD
Retailer 10$2,821 SGD
Retailer 16$3,103 SGD
Retailer 19$3,163 SGD
Retailer 8$3,249 SGD
Retailer 6$3,682 SGD
Retailer 7$4,182 SGD
Retailer 5$4,386 SGD
Retailer 17$4,556 SGD
Retailer 20$4,643 SGD
Retailer 9$5,254 SGD
Retailer 11$5,493 SGD
Brilliant Earth$9,051 SGD

26 data points across 20 retailers

20 retailers$1,289 SGD to $9,051 SGD

A
Cheapest Retailer
-
$1,289 SGD
$1,008 USD
Final sale: no returns
Retailer 2
-
$1,439 SGD
$1,126 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$1,445 SGD
$1,130 USD
View
A
Retailer 4
-
$1,555 SGD
£958 GBP
View
A
Retailer 5
-
$1,712 SGD
$1,339 USD
View
A
Retailer 6
-
$1,907 SGD
$1,492 USD
View
A
Retailer 7
-
$2,057 SGD
£1,267 GBP
View
A
Retailer 8
-
$2,259 SGD
€1,683 EUR
View
A
Retailer 9
-
$2,821 SGD
$2,207 USD
View
A
Retailer 10
-
$3,103 SGD
ZAR 39,211 ZAR
View
A
Retailer 11
-
$3,163 SGD
$2,474 USD
View
Retailer 12
-
$3,249 SGD
A$3,910 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$3,682 SGD
£2,268 GBP
View
B+
Retailer 14
-
$4,182 SGD
$3,271 USD
View
B+
Retailer 15
-
$4,386 SGD
$3,431 USD
View
B+
Retailer 16
-
$4,556 SGD
£2,806 GBP
View
B+
Retailer 17
-
$4,643 SGD
$3,632 USD
View
Retailer 18
-
$5,254 SGD
$4,110 USD
View
Price last confirmed 9 days ago
Retailer 19
-
$5,493 SGD
A$6,611 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
21212236A · Oct 29
$9,051 SGD
$7,080 USD
View
19 more retailers have this diamond
Prices start from $1,289 SGDSave up to $7,762 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
3.56ct Cushion
$1,289 SGD