Cushion|Lab Grown|IGI

3.03ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG770681595

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG770681595

Diamond specifications and retailer prices

From €347 EUR
$388 USD
As of October 31, 2026
Save €1,158 EUR (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,768 EUR at Rare Carat · As of October 19, 2026
View at Rare Carat

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 IGI LG770681595 or 770681595. Listed at 13 retailers as of October 25, 2026, with a 333% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770681595
Dimensions11.00 × 7.25 × 4.70 mm
L/W Ratio1.52
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.00 mm7.25 mm3.03 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770681595
Side View
Table 61.0%Crown 40.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 64.8%

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 31
Current: €1,768 EUR|Low: €347 EUR|High: €2,488 EUR|Avg: €997 EUR|-3.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 3€347 EUR
Retailer 11€385 EUR
Retailer 9€582 EUR
Retailer 6€613 EUR
Retailer 10€619 EUR
Retailer 2€691 EUR
Retailer 13€735 EUR
Retailer 5€878 EUR
Retailer 8€956 EUR
Retailer 12€1,233 EUR
Retailer 7€1,505 EUR
Rare Carat€1,768 EUR
Retailer 4€2,488 EUR

41 data points across 13 retailers

13 retailers€347 EUR to €1,505 EUR

A
Cheapest Retailer
-
€347 EUR
$388 USD
Final sale: no returns
Retailer 2
-
€385 EUR
$430 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
€582 EUR
$650 USD
View
A
Retailer 4
-
€613 EUR
View
B+
Retailer 5
-
€619 EUR
$691 USD
View
A
Retailer 6
-
€691 EUR
£608 GBP
View
A
Retailer 7
-
€735 EUR
$821 USD
View
A
Retailer 8
-
€878 EUR
$981 USD
View
B+
Retailer 9
-
€956 EUR
$1,068 USD
View
B+
Retailer 10
-
€1,233 EUR
SGD 1,862 SGD
View
B+
Retailer 11
-
€1,274 EUR
$1,424 USD
View
B+
Retailer 12
-
€1,505 EUR
£1,324 GBP
View
Most Expensive
Rare Carat
30R770681595 · Oct 19
€1,768 EUR
$1,975 USD
View
Price last confirmed 13 days ago
12 more retailers have this diamond
Prices start from €347 EURSave up to €1,158 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
€347 EUR