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Cushion|Lab Grown|IGI

2.50ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG766685103

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

Certificate IGI LG766685103

Diamond specifications and retailer prices

From $1,634 AUD
$1,148 USD
As of October 31, 2026
Save $10,352 AUD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $11,987 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 2.5ct lab-grown cushion diamond

This 2.5ct 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 LG766685103 or 766685103. Listed at 13 retailers as of October 31, 2026, with prices from $1,634 to $11,987, a $10,352 spread on the same certified stone. Do Amore Diamonds lists it at $11,987. 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

2.50
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.2°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766685103
Dimensions7.63 × 7.57 × 5.11 mm
L/W Ratio1.01
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
7.63 mm7.57 mm2.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG766685103
Side View
Table 60.0%Crown 36.2°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 67.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $11,987 AUD|Low: $1,348 AUD|High: $13,724 AUD|Avg: $4,862 AUD|-12.7%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 11$1,634 AUD
Retailer 10$1,942 AUD
Retailer 6$1,950 AUD
Retailer 3$2,286 AUD
Retailer 4$2,292 AUD
Retailer 2$2,722 AUD
Retailer 7$3,296 AUD
Retailer 13$4,634 AUD
Retailer 5$5,341 AUD
Retailer 9$5,894 AUD
Retailer 12$6,912 AUD
Retailer 8$7,474 AUD
Do Amore Diamonds$11,987 AUD

34 data points across 13 retailers

13 retailers$1,634 AUD to $11,987 AUD

A
Cheapest Retailer
-
$1,634 AUD
$1,148 USD
Final sale: no returns
A
Retailer 2
-
$1,942 AUD
$1,364 USD
View
A
Retailer 3
-
$1,950 AUD
$1,370 USD
View
A
Retailer 4
-
$2,286 AUD
$1,606 USD
View
A
Retailer 5
-
$2,292 AUD
$1,610 USD
View
A
Retailer 6
-
$2,722 AUD
€1,821 EUR
View
A
Retailer 7
-
$3,296 AUD
$2,315 USD
View
A
Retailer 8
-
$4,634 AUD
$3,255 USD
View
B+
Retailer 9
-
$5,341 AUD
$3,752 USD
View
B+
Retailer 10
-
$5,894 AUD
£3,260 GBP
View
Retailer 11
-
$6,912 AUD
$4,855 USD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$7,474 AUD
$5,250 USD
View
Most Expensive
B
Do Amore Diamonds
27-8E5D7F810 · Oct 31
$11,987 AUD
$8,420 USD
View
12 more retailers have this diamond
Prices start from $1,634 AUDSave up to $10,352 AUD

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
2.50ct Cushion
$1,634 AUD