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Cushion|Lab Grown|IGI

1.10ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG803659467

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

Certificate IGI LG803659467

Diamond specifications and retailer prices

From $629 AUD
$441 USD
As of November 1, 2026
Save $1,896 AUD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,526 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.1ct lab-grown cushion diamond

This 1.1ct 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 LG803659467 or 803659467. Listed at 17 retailers as of November 1, 2026, with prices from $629 to $2,526, a $1,896 spread on the same certified stone. Brilliant Earth lists it at $2,526. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.10
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803659467
Dimensions6.02 × 5.94 × 3.92 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
6.02 mm5.94 mm1.10 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803659467
Side View
Table 63.0%Crown 35.6°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 66.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,526 AUD|Low: $471 AUD|High: $2,526 AUD|Avg: $1,397 AUD|+1.1%
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
Retailer 17
November 2, 2026
Retailer 8$537 AUD
Retailer 13$629 AUD
Retailer 7$813 AUD
Retailer 14$899 AUD
Retailer 16$919 AUD
Retailer 11$978 AUD
Retailer 15$987 AUD
Retailer 10$1,013 AUD
Retailer 6$1,308 AUD
Retailer 2$1,443 AUD
Retailer 9$1,530 AUD
Retailer 3$1,888 AUD
Retailer 12$2,133 AUD
Retailer 5$2,160 AUD
Retailer 4$2,196 AUD
Retailer 17$2,252 AUD
Brilliant Earth$2,526 AUD

32 data points across 17 retailers

17 retailers$629 AUD to $2,526 AUD

Retailer 1
-
$537 AUD
$376 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$629 AUD
$441 USD
View
Final sale: no returns
A
Retailer 3
-
$813 AUD
$570 USD
View
A
Retailer 4
-
$899 AUD
€600 EUR
View
A
Retailer 5
-
$919 AUD
$644 USD
View
A
Retailer 6
-
$978 AUD
ZAR 11,073 ZAR
View
A
Retailer 7
-
$987 AUD
$692 USD
View
A
Retailer 8
-
$1,013 AUD
£559 GBP
View
B+
Retailer 9
-
$1,308 AUD
View
B+
Retailer 10
-
$1,443 AUD
$1,011 USD
View
Retailer 11
-
$1,530 AUD
View
Price last confirmed 25 days ago
B+
Retailer 12
-
$1,888 AUD
$1,323 USD
View
B+
Retailer 13
-
$2,133 AUD
$1,495 USD
View
B+
Retailer 14
-
$2,160 AUD
£1,192 GBP
View
B
Retailer 15
-
$2,196 AUD
£1,212 GBP
View
B
Retailer 16
-
$2,252 AUD
$1,578 USD
View
Most Expensive
B
Brilliant Earth
20185427A · Nov 2
$2,526 AUD
$1,770 USD
View
16 more retailers have this diamond
Prices start from $629 AUDSave up to $1,896 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
1.10ct Cushion
$629 AUD