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 $1,008 USD
As of October 29, 2026
Save $6,072 USD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,080 USD 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 $1,008 to $7,080, a $6,072 spread on the same certified stone. Brilliant Earth lists it at $7,080. 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
Color
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

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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 29
Current: $7,080 USD|Low: $1,008 USD|High: $7,080 USD|Avg: $2,682 USD
Brilliant Earth
Retailer 2
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Retailer 20
October 30, 2026
Retailer 20$1,008 USD
Retailer 12$1,126 USD
Retailer 2$1,216 USD
Retailer 17$1,339 USD
Retailer 10$1,355 USD
Retailer 3$1,492 USD
Retailer 13$1,609 USD
Retailer 14$1,767 USD
Retailer 9$2,207 USD
Retailer 15$2,427 USD
Retailer 18$2,474 USD
Retailer 7$2,542 USD
Retailer 5$2,880 USD
Retailer 6$3,271 USD
Retailer 4$3,431 USD
Retailer 16$3,564 USD
Retailer 19$3,632 USD
Retailer 8$4,110 USD
Retailer 11$4,297 USD
Brilliant Earth$7,080 USD

25 data points across 20 retailers

20 retailers$1,008 USD to $7,080 USD

A
Cheapest Retailer
-
$1,008 USD
Final sale: no returns
Retailer 2
-
$1,126 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$1,216 USD
£958 GBP
View
A
Retailer 4
-
$1,339 USD
View
A
Retailer 5
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$1,355 USD
View
A
Retailer 6
-
$1,492 USD
View
A
Retailer 7
-
$1,609 USD
£1,267 GBP
View
A
Retailer 8
-
$1,767 USD
€1,683 EUR
View
A
Retailer 9
-
$2,207 USD
View
A
Retailer 10
-
$2,427 USD
ZAR 39,211 ZAR
View
A
Retailer 11
-
$2,474 USD
View
Retailer 12
-
$2,542 USD
A$3,910 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
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$2,880 USD
£2,268 GBP
View
B+
Retailer 14
-
$3,271 USD
View
B+
Retailer 15
-
$3,431 USD
View
B+
Retailer 16
-
$3,564 USD
£2,806 GBP
View
B+
Retailer 17
-
$3,632 USD
View
Retailer 18
-
$4,110 USD
View
Price last confirmed 9 days ago
Retailer 19
-
$4,297 USD
A$6,611 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
21212236A · Oct 29
$7,080 USD
View
19 more retailers have this diamond
Prices start from $1,008 USDSave up to $6,072 USD

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
$1,008 USD