Cushion|Lab Grown|IGI

1.03ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG841628633

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

Certificate IGI LG841628633

Diamond specifications and retailer prices

From €482 EUR
$539 USD
As of October 30, 2026
Save €1,227 EUR (72%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,710 EUR at Brilliant Earth · As of October 29, 2026
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 LG841628633 or 841628633. Listed at 10 retailers as of October 29, 2026, with prices from €482 to €1,710, a €1,227 spread on the same certified stone. Brilliant Earth lists it at €1,710. 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 angle32.7°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841628633
Dimensions5.87 × 5.85 × 3.79 mm
L/W Ratio1.00
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
5.87 mm5.85 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841628633
Side View
Table 64.0%Crown 32.7°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
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: €1,020 EUR|Low: €482 EUR|High: €1,211 EUR|Avg: €809 EUR|-3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 2€482 EUR
Retailer 8€516 EUR
Retailer 9€541 EUR
Retailer 4€573 EUR
Retailer 6€896 EUR
Retailer 3€978 EUR
Retailer 1€1,020 EUR
Retailer 7€1,155 EUR
Retailer 5€1,198 EUR

22 data points across 9 retailers

10 retailers€482 EUR to €1,710 EUR

A
Cheapest Retailer
-
€482 EUR
$539 USD
A
Retailer 2
-
€516 EUR
$576 USD
View
A
Retailer 3
-
€541 EUR
$604 USD
View
A
Retailer 4
-
€573 EUR
£504 GBP
View
B+
Retailer 5
-
€896 EUR
A$1,540 AUD
View
B+
Retailer 6
-
€978 EUR
$1,093 USD
View
B+
Retailer 7
-
€1,020 EUR
$1,140 USD
View
Retailer 8
-
€1,155 EUR
$1,290 USD
View
Price last confirmed 13 days ago
B+
Retailer 9
-
€1,198 EUR
£1,054 GBP
View
Most Expensive
B
Brilliant Earth
22302465A · Oct 29
€1,710 EUR
$1,910 USD
View
9 more retailers have this diamond
Prices start from €482 EURSave up to €1,227 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
1.03ct Cushion
€482 EUR