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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 $413 SGD
$323 USD
As of October 30, 2026
Save $1,730 SGD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,143 SGD 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 $413 to $2,143, a $1,730 spread on the same certified stone. Queensmith lists it at $2,143. 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: $805 SGD|Low: $413 SGD|High: $2,773 SGD|Avg: $1,118 SGD|-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
October 31, 2026
Retailer 14$413 SGD
Retailer 11$459 SGD
Retailer 4$616 SGD
Retailer 10$620 SGD
Retailer 7$745 SGD
Retailer 3$770 SGD
Retailer 9$789 SGD
Retailer 1$805 SGD
Retailer 2$858 SGD
Retailer 8$1,120 SGD
Retailer 6$1,538 SGD
Retailer 12$1,739 SGD
Retailer 13$1,849 SGD
Retailer 5$1,892 SGD

40 data points across 14 retailers

14 retailers$413 SGD to $2,143 SGD

A
Cheapest Retailer
-
$413 SGD
$323 USD
Final sale: no returns
A
Retailer 2
-
$616 SGD
$482 USD
View
A
Retailer 3
-
$620 SGD
$485 USD
View
A
Retailer 4
-
$745 SGD
€555 EUR
View
A
Retailer 5
-
$770 SGD
$602 USD
View
A
Retailer 6
-
$789 SGD
ZAR 9,970 ZAR
View
A
Retailer 7
-
$805 SGD
£496 GBP
View
A
Retailer 8
-
$858 SGD
$671 USD
View
A
Retailer 9
-
$1,120 SGD
A$1,348 AUD
View
B+
Retailer 10
-
$1,538 SGD
$1,203 USD
View
Retailer 11
-
$1,739 SGD
$1,360 USD
View
Price last confirmed 12 days ago
B+
Retailer 12
-
$1,849 SGD
£1,139 GBP
View
B+
Retailer 13
-
$1,892 SGD
$1,480 USD
View
Most Expensive
B
Queensmith
LG683592970 · Oct 27
$2,143 SGD
£1,320 GBP
View
13 more retailers have this diamond
Prices start from $413 SGDSave up to $1,730 SGD

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
$413 SGD