Cushion|Lab Grown|IGI

3.05ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG799647275

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG799647275

Diamond specifications and retailer prices

From €507 EUR
$566 USD
As of October 31, 2026
Save €3,503 EUR (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €5,379 EUR at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG799647275 or 799647275. Listed at 19 retailers as of October 31, 2026, with a 692% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.05
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799647275
Dimensions10.02 × 7.61 × 5.08 mm
L/W Ratio1.32
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.02 mm7.61 mm3.05 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799647275
Side View
Table 63.0%Crown 33.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €5,379 EUR|Low: €507 EUR|High: €5,379 EUR|Avg: €1,669 EUR
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
Retailer 14
Retailer 15
Retailer 16
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Retailer 19
October 31, 2026
Retailer 8€507 EUR
Retailer 11€579 EUR
Retailer 17€649 EUR
Retailer 12€708 EUR
Retailer 3€871 EUR
Retailer 19€882 EUR
Retailer 18€909 EUR
Retailer 14€931 EUR
Retailer 2€965 EUR
Retailer 13€1,307 EUR
Retailer 16€1,344 EUR
Retailer 7€1,801 EUR
Retailer 4€2,078 EUR
Retailer 9€2,111 EUR
Retailer 6€2,139 EUR
Retailer 10€2,336 EUR
Retailer 15€2,701 EUR
Retailer 5€4,010 EUR
Brilliant Earth€5,379 EUR

43 data points across 19 retailers

19 retailers€507 EUR to €4,010 EUR

A
Cheapest Retailer
-
€507 EUR
$566 USD
Final sale: no returns
Retailer 2
-
€579 EUR
$647 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
€649 EUR
$725 USD
View
A
Retailer 4
-
€708 EUR
£623 GBP
View
A
Retailer 5
-
€871 EUR
$973 USD
View
A
Retailer 6
-
€882 EUR
$985 USD
View
A
Retailer 7
-
€909 EUR
$1,016 USD
View
A
Retailer 8
-
€931 EUR
View
A
Retailer 9
-
€965 EUR
£849 GBP
View
A
Retailer 10
-
€1,307 EUR
A$2,246 AUD
View
A
Retailer 11
-
€1,344 EUR
ZAR 24,254 ZAR
View
B+
Retailer 12
-
€1,801 EUR
£1,584 GBP
View
B+
Retailer 13
-
€2,078 EUR
$2,322 USD
View
B+
Retailer 14
-
€2,111 EUR
$2,358 USD
View
B+
Retailer 15
-
€2,139 EUR
SGD 3,230 SGD
View
Retailer 16
-
€2,336 EUR
$2,610 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
€2,701 EUR
£2,376 GBP
View
B
Retailer 18
-
€4,010 EUR
$4,480 USD
View
Most Expensive
Brilliant Earth
21068342Y · Oct 22
€5,379 EUR
$6,010 USD
View
Price last confirmed 9 days ago
18 more retailers have this diamond
Prices start from €507 EURSave up to €3,503 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
3.05ct Cushion
€507 EUR