CaratHunter
Plans
Cushion|Lab Grown|IGI

1.00ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG825630717

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

Certificate IGI LG825630717

Diamond specifications and retailer prices

From $752 AUD
$528 USD
As of October 30, 2026
Save $1,868 AUD (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,619 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825630717 or 825630717. Listed at 10 retailers as of October 29, 2026, with prices from $752 to $2,619, a $1,868 spread on the same certified stone. Brilliant Earth lists it at $2,619. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825630717
Dimensions5.89 × 5.85 × 3.78 mm
L/W Ratio1.01
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
5.89 mm5.85 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825630717
Side View
Table 62.0%Crown 33.7°Girdle: MED-THKPavilion 38.6°Culet: NoneDepth 64.6%

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 30
Current: $2,619 AUD|Low: $742 AUD|High: $2,648 AUD|Avg: $1,340 AUD|-1.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 5$752 AUD
Retailer 2$813 AUD
Retailer 3$857 AUD
Retailer 7$859 AUD
Retailer 10$1,384 AUD
Retailer 6$1,518 AUD
Retailer 4$1,576 AUD
Retailer 9$1,780 AUD
Retailer 8$1,857 AUD
Brilliant Earth$2,619 AUD

41 data points across 10 retailers

10 retailers$752 AUD to $2,619 AUD

A
Cheapest Retailer
-
$752 AUD
$528 USD
A
Retailer 2
-
$813 AUD
$571 USD
View
A
Retailer 3
-
$857 AUD
£474 GBP
View
A
Retailer 4
-
$859 AUD
€575 EUR
View
Retailer 5
-
$1,384 AUD
View
Price last confirmed 23 days ago
B+
Retailer 6
-
$1,518 AUD
$1,066 USD
View
B+
Retailer 7
-
$1,576 AUD
$1,107 USD
View
Retailer 8
-
$1,780 AUD
$1,250 USD
View
Price last confirmed 13 days ago
B+
Retailer 9
-
$1,857 AUD
£1,027 GBP
View
Most Expensive
B
Brilliant Earth
21214347A · Oct 29
$2,619 AUD
$1,840 USD
View
9 more retailers have this diamond
Prices start from $752 AUDSave up to $1,868 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
1.00ct Cushion
$752 AUD