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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 $2,743 NZD
$1,546 USD
As of October 30, 2026
Save $11,451 NZD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $14,194 NZD at Brilliant Earth · As of October 30, 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 30, 2026, with prices from $2,743 to $14,194, a $11,451 spread on the same certified stone. Brilliant Earth lists it at $14,194. 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
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764608431
Dimensions9.82 × 7.34 × 4.91 mm
L/W Ratio1.34
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
9.82 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 30
Current: $14,194 NZD|Low: $2,743 NZD|High: $16,536 NZD|Avg: $6,907 NZD|-14.2%
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 31, 2026
Retailer 6$2,743 NZD
Retailer 14$3,149 NZD
Retailer 4$3,350 NZD
Retailer 2$4,008 NZD
Retailer 7$4,485 NZD
Retailer 11$4,563 NZD
Retailer 15$4,741 NZD
Retailer 5$5,834 NZD
Retailer 13$6,756 NZD
Retailer 3$6,868 NZD
Retailer 10$7,330 NZD
Retailer 16$7,819 NZD
Retailer 12$8,157 NZD
Retailer 9$8,309 NZD
Retailer 8$9,505 NZD
Retailer 17$9,989 NZD
Brilliant Earth$14,194 NZD

41 data points across 17 retailers

18 retailers$2,743 NZD to $14,194 NZD

A
Cheapest Retailer
-
$2,743 NZD
$1,546 USD
Final sale: no returns
A
Retailer 2
-
$3,149 NZD
$1,775 USD
View
A
Retailer 3
-
$3,350 NZD
$1,888 USD
View
A
Retailer 4
-
$4,008 NZD
£1,779 GBP
View
A
Retailer 5
-
$4,485 NZD
$2,528 USD
View
A
Retailer 6
-
$4,563 NZD
€2,449 EUR
View
A
Retailer 7
-
$4,741 NZD
$2,672 USD
View
A
Retailer 8
-
$5,834 NZD
$3,288 USD
View
Retailer 9
-
$6,756 NZD
A$5,858 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$6,868 NZD
£3,048 GBP
View
B+
Retailer 11
-
$7,330 NZD
ZAR 66,738 ZAR
View
B+
Retailer 12
-
$7,656 NZD
$4,315 USD
View
B+
Retailer 13
-
$7,819 NZD
$4,407 USD
View
B+
Retailer 14
-
$8,157 NZD
£3,620 GBP
View
Retailer 15
-
$8,309 NZD
A$7,205 AUD
View
Price last confirmed 22 days ago
B+
Retailer 16
-
$9,505 NZD
SGD 7,239 SGD
View
B+
Retailer 17
-
$9,989 NZD
$5,630 USD
View
Most Expensive
B
Brilliant Earth
17197241A · Oct 30
$14,194 NZD
$8,000 USD
View
17 more retailers have this diamond
Prices start from $2,743 NZDSave up to $11,451 NZD

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
$2,743 NZD