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Cushion|Lab Grown|IGI

1.28ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG811684156

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG811684156

Diamond specifications and retailer prices

From $811 USD
A$1,248 AUD
As of October 31, 2026
Save $409 USD (34%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,220 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.28ct lab-grown cushion diamond

This 1.28ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811684156 or 811684156. Listed at 4 retailers as of October 30, 2026, with prices from $811 to $1,220, a $409 spread on the same certified stone. Brilliant Earth lists it at $1,220. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811684156
Dimensions8.03 × 5.86 × 3.69 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.03 mm5.86 mm1.28 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811684156
Side View
Table 53.0%Crown 33.9°Girdle: STK-VTKPavilion 36.6°Culet: LargeDepth 63.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $1,220 USD|Low: $370 USD|High: $1,310 USD|Avg: $782 USD|-6.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 19, 2026
Retailer 4$370 USD
Retailer 3$655 USD
Retailer 2$811 USD
Brilliant Earth$1,220 USD

4 data points across 4 retailers

4 retailers$811 USD to $1,220 USD

Retailer 1
-
$370 USD
Price last confirmed 19 days ago
Retailer 2
-
$655 USD
View
Price last confirmed 25 days ago
B
Retailer 3
-
$811 USD
A$1,248 AUD
View
Most Expensive
B
Brilliant Earth
20743014A · Oct 30
$1,220 USD
View
3 more retailers have this diamond
Prices start from $811 USDSave up to $409 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.

B
1.28ct Cushion
$811 USD