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Cushion|Lab Grown|IGI

1.03ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG818663185

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

Certificate IGI LG818663185

Diamond specifications and retailer prices

From €1,432 EUR
$1,600 USD
As of October 24, 2026
11 retailers carry this diamond
Most expensive: €1,432 EUR at Brilliant Earth
View at Brilliant Earth

About this 1.03ct lab-grown cushion diamond

This 1.03ct 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 LG818663185 or 818663185. Listed at 11 retailers as of October 24, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818663185
Dimensions6.08 × 6.02 × 3.81 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.08 mm6.02 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818663185
Side View
Table 62.0%Crown 34.1°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 63.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 24
Current: €1,432 EUR|Low: €185 EUR|High: €1,477 EUR|Avg: €688 EUR|-3.0%
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
October 24, 2026
Retailer 12€239 EUR
Retailer 4€266 EUR
Retailer 6€441 EUR
Retailer 5€448 EUR
Retailer 3€449 EUR
Retailer 7€450 EUR
Retailer 2€486 EUR
Retailer 10€532 EUR
Retailer 11€902 EUR
Retailer 9€1,079 EUR
Retailer 8€1,155 EUR
Retailer 13€1,182 EUR
Brilliant Earth€1,432 EUR

29 data points across 13 retailers

11 retailers

Retailer 1
-
€266 EUR
$297 USD
Price last confirmed 20 days ago
Retailer 2
-
€441 EUR
View
Price last confirmed 9 days ago
Retailer 3
-
€449 EUR
$502 USD
View
Price last confirmed 9 days ago
Retailer 4
-
€450 EUR
ZAR 8,119 ZAR
View
Price last confirmed 9 days ago
Retailer 5
-
€486 EUR
£428 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
€532 EUR
$594 USD
View
Price last confirmed 8 days ago
Retailer 7
-
€902 EUR
$1,007 USD
View
Price last confirmed 8 days ago
Retailer 8
-
€1,079 EUR
£949 GBP
View
Price last confirmed 21 days ago
Retailer 9
-
€1,155 EUR
$1,290 USD
View
Price last confirmed 13 days ago
Retailer 10
-
€1,182 EUR
$1,320 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21242453A · Oct 24
€1,432 EUR
$1,600 USD
View
10 more retailers have this diamond

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.

B
1.03ct Cushion
€1,432 EUR