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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 $905 NZD
$510 USD
As of October 30, 2026
Save $4,915 NZD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,820 NZD 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 $905 to $5,820, a $4,915 spread on the same certified stone. Brilliant Earth lists it at $5,820. 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: $5,820 NZD|Low: $905 NZD|High: $6,015 NZD|Avg: $2,700 NZD|-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 31, 2026
Retailer 14$905 NZD
Retailer 7$1,160 NZD
Retailer 8$1,513 NZD
Retailer 10$1,517 NZD
Retailer 15$1,568 NZD
Retailer 2$1,658 NZD
Retailer 9$1,721 NZD
Retailer 12$2,051 NZD
Retailer 3$2,315 NZD
Retailer 5$3,149 NZD
Retailer 4$3,177 NZD
Retailer 13$3,275 NZD
Retailer 6$3,380 NZD
Retailer 11$3,684 NZD
Brilliant Earth$5,820 NZD

40 data points across 15 retailers

15 retailers$905 NZD to $5,820 NZD

A
Cheapest Retailer
-
$905 NZD
$510 USD
Final sale: no returns
Retailer 2
-
$1,160 NZD
$654 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$1,513 NZD
€812 EUR
View
A
Retailer 4
-
$1,517 NZD
$855 USD
View
A
Retailer 5
-
$1,568 NZD
$884 USD
View
A
Retailer 6
-
$1,658 NZD
£736 GBP
View
A
Retailer 7
-
$1,721 NZD
ZAR 15,669 ZAR
View
A
Retailer 8
-
$2,051 NZD
$1,156 USD
View
A
Retailer 9
-
$2,315 NZD
$1,305 USD
View
Retailer 10
-
$3,149 NZD
$1,775 USD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
$3,177 NZD
SGD 2,420 SGD
View
B+
Retailer 12
-
$3,275 NZD
$1,846 USD
View
Retailer 13
-
$3,380 NZD
£1,500 GBP
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$3,684 NZD
£1,635 GBP
View
Most Expensive
B
Brilliant Earth
21434018A · Oct 29
$5,820 NZD
$3,280 USD
View
14 more retailers have this diamond
Prices start from $905 NZDSave up to $4,915 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
1.45ct Cushion
$905 NZD