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Cushion|Lab Grown|IGI

2.88ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG808614418

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

Certificate IGI LG808614418

Diamond specifications and retailer prices

From $1,385 USD
As of October 28, 2026
Save $8,175 USD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,560 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.88ct lab-grown cushion diamond

This 2.88ct lab-grown cushion sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG808614418 or 808614418. Listed at 19 retailers as of October 28, 2026, with prices from $1,385 to $9,560, a $8,175 spread on the same certified stone. Brilliant Earth lists it at $9,560. 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

2.88
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG808614418
Dimensions8.36 × 8.31 × 5.43 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.36 mm8.31 mm2.88 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG808614418
Side View
Table 61.0%Crown 36.3°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 65.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $9,560 USD|Low: $1,385 USD|High: $9,850 USD|Avg: $3,659 USD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 30, 2026
Retailer 18$1,385 USD
Retailer 9$1,545 USD
Retailer 16$1,585 USD
Retailer 6$1,748 USD
Retailer 2$2,020 USD
Retailer 5$2,158 USD
Retailer 12$2,302 USD
Retailer 15$3,401 USD
Retailer 7$3,674 USD
Retailer 11$3,700 USD
Retailer 3$3,708 USD
Retailer 10$3,734 USD
Retailer 17$4,116 USD
Retailer 14$4,501 USD
Retailer 13$4,633 USD
Retailer 4$5,030 USD
Retailer 8$5,625 USD
Brilliant Earth$9,560 USD

33 data points across 18 retailers

19 retailers$1,385 USD to $9,560 USD

A
Cheapest Retailer
-
$1,385 USD
Final sale: no returns
Retailer 2
-
$1,545 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,585 USD
View
A
Retailer 4
-
$1,748 USD
View
A
Retailer 5
-
$2,020 USD
£1,591 GBP
View
A
Retailer 6
-
$2,158 USD
View
A
Retailer 7
-
$2,302 USD
€2,192 EUR
View
A
Retailer 8
-
$3,401 USD
View
Retailer 9
-
$3,674 USD
A$5,653 AUD
View
Price last confirmed 7 days ago
A
Retailer 10
-
$3,700 USD
ZAR 59,780 ZAR
View
A
Retailer 11
-
$3,708 USD
View
A
Retailer 12
-
$3,734 USD
£2,940 GBP
View
A
Retailer 13
-
$3,939 USD
View
B+
Retailer 14
-
$4,116 USD
View
B+
Retailer 15
-
$4,501 USD
View
B+
Retailer 16
-
$4,633 USD
£3,648 GBP
View
B+
Retailer 17
-
$5,030 USD
View
Retailer 18
-
$5,625 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
20434096A · Oct 29
$9,560 USD
View
18 more retailers have this diamond
Prices start from $1,385 USDSave up to $8,175 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
2.88ct Cushion
$1,385 USD