Cushion|Lab Grown|IGI

2.78ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG797643682

Certificate IGI LG797643682

Diamond specifications and retailer prices

From $4,967 USD
As of October 31, 2026
Save $4,427 USD (47%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $9,394 USD at With Clarity · As of November 1, 2026
View at With Clarity

About this 2.78ct lab-grown cushion diamond

This 2.78ct lab-grown cushion sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG797643682 or 797643682. Listed at 2 retailers as of October 31, 2026, with prices from $4,967 to $9,394, a $4,427 spread on the same certified stone. With Clarity lists it at $9,394. 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

2.78
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG797643682
Dimensions9.68 × 7.18 × 4.68 mm
L/W Ratio1.35
Top View
9.68 mm7.18 mm2.78 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797643682
Side View
Table 65.0%CrownGirdlePavilionCulet: NoneDepth 65.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: $4,967 USD|Low: $4,967 USD|High: $9,394 USD|Avg: $6,443 USD
Retailer 1
With Clarity
November 1, 2026
Retailer 1$4,967 USD
With Clarity$9,394 USD

2 data points across 2 retailers

2 retailers$4,967 USD to $9,394 USD

B+
Cheapest Retailer
-
$4,967 USD
Most Expensive
B
With Clarity
797643682 · Nov 1
$9,394 USD
View
1 more retailer has this diamond
Prices start from $4,967 USDSave up to $4,427 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+
2.78ct Cushion
$4,967 USD