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Cushion|Lab Grown|IGI

1.00ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG689562075

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG689562075

Diamond specifications and retailer prices

From $494 AUD
$347 USD
As of October 30, 2026
Save $2,054 AUD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,548 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 LG689562075 or 689562075. Listed at 16 retailers as of October 29, 2026, with prices from $494 to $2,548, a $2,054 spread on the same certified stone. Brilliant Earth lists it at $2,548. 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 angle36.4°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689562075
Dimensions6.87 × 5.33 × 3.55 mm
L/W Ratio1.29
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
6.87 mm5.33 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689562075
Side View
Table 59.0%Crown 36.4°Girdle: MED-THKPavilion 35.6°Culet: NoneDepth 66.6%

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: $2,548 AUD|Low: $488 AUD|High: $2,548 AUD|Avg: $1,265 AUD|+1.7%
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
October 30, 2026
Retailer 2$494 AUD
Retailer 3$548 AUD
Retailer 14$833 AUD
Retailer 15$840 AUD
Retailer 16$887 AUD
Retailer 5$891 AUD
Retailer 13$941 AUD
Retailer 9$975 AUD
Retailer 10$1,018 AUD
Retailer 12$1,384 AUD
Retailer 4$1,416 AUD
Retailer 7$1,827 AUD
Retailer 8$2,020 AUD
Retailer 6$2,200 AUD
Retailer 11$2,208 AUD
Brilliant Earth$2,548 AUD

39 data points across 16 retailers

16 retailers$494 AUD to $2,548 AUD

A
Cheapest Retailer
-
$494 AUD
$347 USD
Final sale: no returns
A
Retailer 2
-
$548 AUD
$385 USD
View
A
Retailer 3
-
$833 AUD
$585 USD
View
A
Retailer 4
-
$840 AUD
$590 USD
View
A
Retailer 5
-
$887 AUD
$623 USD
View
A
Retailer 6
-
$891 AUD
$626 USD
View
A
Retailer 7
-
$941 AUD
ZAR 10,680 ZAR
View
A
Retailer 8
-
$975 AUD
£539 GBP
View
A
Retailer 9
-
$1,018 AUD
€681 EUR
View
B+
Retailer 10
-
$1,384 AUD
View
B+
Retailer 11
-
$1,416 AUD
$995 USD
View
B
Retailer 12
-
$1,827 AUD
$1,283 USD
View
B
Retailer 13
-
$2,061 AUD
$1,448 USD
View
B
Retailer 14
-
$2,200 AUD
$1,546 USD
View
B
Retailer 15
-
$2,208 AUD
£1,221 GBP
View
Most Expensive
B
Brilliant Earth
15714260A · Oct 29
$2,548 AUD
$1,790 USD
View
15 more retailers have this diamond
Prices start from $494 AUDSave up to $2,054 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
$494 AUD