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Cushion|Lab Grown|IGI

2.80ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG764608431

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG764608431

Diamond specifications and retailer prices

From $1,546 USD
As of October 28, 2026
Save $7,754 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,300 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.8ct lab-grown cushion diamond

This 2.8ct 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 LG764608431 or 764608431. Listed at 18 retailers as of October 28, 2026, with prices from $1,546 to $9,300, a $7,754 spread on the same certified stone. Brilliant Earth lists it at $9,300. 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

2.80
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764608431
Dimensions7.34 × 7.34 × 9.82 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
7.34 mm7.34 mm2.80 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764608431
Side View
Table 61.0%Crown 35.4°Girdle: MED-STKPavilion 36.3°Culet: NoneDepth 66.9%

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 28
Current: $9,300 USD|Low: $1,546 USD|High: $9,320 USD|Avg: $3,833 USD|-0.2%
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
October 29, 2026
Retailer 6$1,546 USD
Retailer 14$1,775 USD
Retailer 4$1,888 USD
Retailer 2$2,259 USD
Retailer 7$2,528 USD
Retailer 11$2,571 USD
Retailer 15$2,672 USD
Retailer 5$3,288 USD
Retailer 13$3,808 USD
Retailer 3$3,871 USD
Retailer 10$4,131 USD
Retailer 16$4,407 USD
Retailer 12$4,597 USD
Retailer 9$4,683 USD
Retailer 8$5,357 USD
Retailer 17$5,630 USD
Brilliant Earth$9,300 USD

40 data points across 17 retailers

18 retailers$1,546 USD to $9,300 USD

A
Cheapest Retailer
-
$1,546 USD
Final sale: no returns
A
Retailer 2
-
$1,775 USD
View
A
Retailer 3
-
$1,888 USD
View
A
Retailer 4
-
$2,259 USD
£1,779 GBP
View
A
Retailer 5
-
$2,528 USD
View
A
Retailer 6
-
$2,571 USD
€2,449 EUR
View
A
Retailer 7
-
$2,672 USD
View
A
Retailer 8
-
$3,288 USD
View
Retailer 9
-
$3,808 USD
A$5,858 AUD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$3,871 USD
£3,048 GBP
View
B+
Retailer 11
-
$4,131 USD
ZAR 66,738 ZAR
View
B+
Retailer 12
-
$4,315 USD
View
B+
Retailer 13
-
$4,407 USD
View
B+
Retailer 14
-
$4,597 USD
£3,620 GBP
View
Retailer 15
-
$4,683 USD
A$7,205 AUD
View
Price last confirmed 21 days ago
B+
Retailer 16
-
$5,357 USD
SGD 7,239 SGD
View
B+
Retailer 17
-
$5,630 USD
View
Most Expensive
B
Brilliant Earth
17197241A · Oct 29
$9,300 USD
View
17 more retailers have this diamond
Prices start from $1,546 USDSave up to $7,754 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
2.80ct Cushion
$1,546 USD