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Cushion|Lab Grown|IGI

1.45ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG825660186

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825660186

Diamond specifications and retailer prices

From $726 AUD
$510 USD
As of October 30, 2026
Save $3,943 AUD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,669 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.45ct lab-grown cushion diamond

This 1.45ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825660186 or 825660186. Listed at 15 retailers as of October 29, 2026, with prices from $726 to $4,669, a $3,943 spread on the same certified stone. Brilliant Earth lists it at $4,669. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825660186
Dimensions8.25 × 5.58 × 3.78 mm
L/W Ratio1.48
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
8.25 mm5.58 mm1.45 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825660186
Side View
Table 63.0%Crown 33.9°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 67.7%

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 30
Current: $4,669 AUD|Low: $726 AUD|High: $4,826 AUD|Avg: $2,219 AUD|-3.2%
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
October 30, 2026
Retailer 14$726 AUD
Retailer 7$931 AUD
Retailer 8$1,214 AUD
Retailer 10$1,217 AUD
Retailer 15$1,258 AUD
Retailer 2$1,330 AUD
Retailer 9$1,381 AUD
Retailer 12$1,646 AUD
Retailer 3$1,858 AUD
Retailer 5$2,527 AUD
Retailer 4$2,549 AUD
Retailer 13$2,628 AUD
Retailer 6$2,712 AUD
Retailer 11$2,956 AUD
Brilliant Earth$4,669 AUD

40 data points across 15 retailers

15 retailers$726 AUD to $4,669 AUD

A
Cheapest Retailer
-
$726 AUD
$510 USD
Final sale: no returns
Retailer 2
-
$931 AUD
$654 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,214 AUD
€812 EUR
View
A
Retailer 4
-
$1,217 AUD
$855 USD
View
A
Retailer 5
-
$1,258 AUD
$884 USD
View
A
Retailer 6
-
$1,330 AUD
£736 GBP
View
A
Retailer 7
-
$1,381 AUD
ZAR 15,669 ZAR
View
A
Retailer 8
-
$1,646 AUD
$1,156 USD
View
A
Retailer 9
-
$1,858 AUD
$1,305 USD
View
Retailer 10
-
$2,527 AUD
$1,775 USD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$2,549 AUD
SGD 2,420 SGD
View
B+
Retailer 12
-
$2,628 AUD
$1,846 USD
View
Retailer 13
-
$2,712 AUD
£1,500 GBP
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$2,956 AUD
£1,635 GBP
View
Most Expensive
B
Brilliant Earth
21434018A · Oct 29
$4,669 AUD
$3,280 USD
View
14 more retailers have this diamond
Prices start from $726 AUDSave up to $3,943 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
1.45ct Cushion
$726 AUD