Cushion|Lab Grown|GCAL

3.03ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • GCAL 341216239

Shape and cutting style on the report: Cushion brilliant

Certificate GCAL 341216239

Diamond specifications and retailer prices

From €594 EUR
$664 USD
As of October 31, 2026
Save €3,434 EUR (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,028 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.03ct lab-grown cushion diamond

This 3.03ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 341216239. Listed at 11 retailers as of October 31, 2026, with prices from €594 to €4,028, a €3,434 spread on the same certified stone. Brilliant Earth lists it at €4,028. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.03
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle35.7°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 341216239
Dimensions10.54 × 7.46 × 4.85 mm
L/W Ratio1.41
Culet sizeNone
Top View
10.54 mm7.46 mm3.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 341216239
Side View
Table 64.0%Crown 39.3°Girdle: ThickPavilion 35.7°Culet: NoneDepth 65.0%

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 31
Current: €4,028 EUR|Low: €399 EUR|High: €4,028 EUR|Avg: €1,575 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 5€594 EUR
Retailer 10€738 EUR
Retailer 3€813 EUR
Retailer 4€954 EUR
Retailer 8€962 EUR
Retailer 7€1,486 EUR
Retailer 9€1,616 EUR
Retailer 6€1,754 EUR
Retailer 11€2,321 EUR
Retailer 2€2,978 EUR
Brilliant Earth€4,028 EUR

42 data points across 11 retailers

11 retailers€594 EUR to €4,028 EUR

A
Cheapest Retailer
-
€594 EUR
$664 USD
Final sale: no returns
A
Retailer 2
-
€738 EUR
$824 USD
View
A
Retailer 3
-
€813 EUR
HK$7,100 HKD
View
A
Retailer 4
-
€954 EUR
£840 GBP
View
A
Retailer 5
-
€962 EUR
$1,075 USD
View
B+
Retailer 6
-
€1,486 EUR
$1,660 USD
View
B+
Retailer 7
-
€1,616 EUR
$1,806 USD
View
B+
Retailer 8
-
€1,754 EUR
$1,960 USD
View
B
Retailer 9
-
€2,321 EUR
$2,593 USD
View
B
Retailer 10
-
€2,978 EUR
£2,620 GBP
View
Most Expensive
B
Brilliant Earth
15506213Y · Oct 31
€4,028 EUR
$4,500 USD
View
10 more retailers have this diamond
Prices start from €594 EURSave up to €3,434 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
3.03ct Cushion
€594 EUR