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Cushion|Lab Grown|IGI

1.09ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG683592970

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG683592970

Diamond specifications and retailer prices

From $460 AUD
$323 USD
As of November 1, 2026
Save $1,927 AUD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,387 AUD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.09ct lab-grown cushion diamond

This 1.09ct 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 LG683592970 or 683592970. Listed at 14 retailers as of October 27, 2026, with prices from $460 to $2,387, a $1,927 spread on the same certified stone. Queensmith lists it at $2,387. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683592970
Dimensions7.45 × 5.37 × 3.27 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm5.37 mm1.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683592970
Side View
Table 64.0%Crown 34.8°Girdle: THK-VTKPavilion 35.4°Culet: NoneDepth 60.9%

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: $897 AUD|Low: $460 AUD|High: $3,088 AUD|Avg: $1,255 AUD|-26.3%
Retailer 1
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
November 1, 2026
Retailer 14$460 AUD
Retailer 11$511 AUD
Retailer 4$686 AUD
Retailer 10$690 AUD
Retailer 7$824 AUD
Retailer 3$857 AUD
Retailer 9$879 AUD
Retailer 1$897 AUD
Retailer 2$955 AUD
Retailer 8$1,247 AUD
Retailer 6$1,713 AUD
Retailer 12$1,936 AUD
Retailer 13$2,059 AUD
Retailer 5$2,106 AUD

41 data points across 14 retailers

14 retailers$460 AUD to $2,387 AUD

A
Cheapest Retailer
-
$460 AUD
$323 USD
Final sale: no returns
A
Retailer 2
-
$686 AUD
$482 USD
View
A
Retailer 3
-
$690 AUD
$485 USD
View
A
Retailer 4
-
$824 AUD
€551 EUR
View
A
Retailer 5
-
$857 AUD
$602 USD
View
A
Retailer 6
-
$879 AUD
ZAR 9,970 ZAR
View
A
Retailer 7
-
$897 AUD
£496 GBP
View
A
Retailer 8
-
$955 AUD
$671 USD
View
A
Retailer 9
-
$1,247 AUD
View
B+
Retailer 10
-
$1,713 AUD
$1,203 USD
View
B+
Retailer 11
-
$1,936 AUD
$1,360 USD
View
B+
Retailer 12
-
$2,059 AUD
£1,139 GBP
View
B+
Retailer 13
-
$2,106 AUD
$1,480 USD
View
Most Expensive
B
Queensmith
LG683592970 · Oct 27
$2,387 AUD
£1,320 GBP
View
13 more retailers have this diamond
Prices start from $460 AUDSave up to $1,927 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
1.09ct Cushion
$460 AUD