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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 €289 EUR
$323 USD
As of October 30, 2026
Save €1,211 EUR (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,501 EUR 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 €289 to €1,501, a €1,211 spread on the same certified stone. Queensmith lists it at €1,501. 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: Oct 30
Current: €564 EUR|Low: €289 EUR|High: €1,942 EUR|Avg: €789 EUR|-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€289 EUR
Retailer 11€321 EUR
Retailer 4€431 EUR
Retailer 10€434 EUR
Retailer 7€518 EUR
Retailer 3€539 EUR
Retailer 9€552 EUR
Retailer 1€564 EUR
Retailer 2€601 EUR
Retailer 8€784 EUR
Retailer 6€1,077 EUR
Retailer 12€1,217 EUR
Retailer 13€1,295 EUR
Retailer 5€1,324 EUR

41 data points across 14 retailers

14 retailers€289 EUR to €1,501 EUR

A
Cheapest Retailer
-
€289 EUR
$323 USD
Final sale: no returns
A
Retailer 2
-
€431 EUR
$482 USD
View
A
Retailer 3
-
€434 EUR
$485 USD
View
A
Retailer 4
-
€518 EUR
View
A
Retailer 5
-
€539 EUR
$602 USD
View
A
Retailer 6
-
€552 EUR
ZAR 9,970 ZAR
View
A
Retailer 7
-
€564 EUR
£496 GBP
View
A
Retailer 8
-
€601 EUR
$671 USD
View
A
Retailer 9
-
€784 EUR
A$1,348 AUD
View
B+
Retailer 10
-
€1,077 EUR
$1,203 USD
View
Retailer 11
-
€1,217 EUR
$1,360 USD
View
Price last confirmed 13 days ago
B+
Retailer 12
-
€1,295 EUR
£1,139 GBP
View
B+
Retailer 13
-
€1,324 EUR
$1,480 USD
View
Most Expensive
B
Queensmith
LG683592970 · Oct 27
€1,501 EUR
£1,320 GBP
View
13 more retailers have this diamond
Prices start from €289 EURSave up to €1,211 EUR

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
€289 EUR