Cushion|Lab Grown|IGI

3.05ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG833671830

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG833671830

Diamond specifications and retailer prices

From €561 EUR
HK$4,900 HKD
As of October 31, 2026
Save €3,162 EUR (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €3,724 EUR at Brilliant Earth · As of October 28, 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 LG833671830 or 833671830. Listed at 17 retailers as of October 28, 2026, with prices from €561 to €3,724, a €3,162 spread on the same certified stone. Brilliant Earth lists it at €3,724. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833671830
Dimensions8.51 × 8.04 × 5.09 mm
L/W Ratio1.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.51 mm8.04 mm3.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833671830
Side View
Table 63.0%Crown 35.1°Girdle: MED-STKPavilion 32°Culet: NoneDepth 63.3%

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: €3,724 EUR|Low: €448 EUR|High: €3,947 EUR|Avg: €1,394 EUR|+14.0%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 9€466 EUR
Retailer 17€561 EUR
Retailer 3€592 EUR
Retailer 13€644 EUR
Retailer 2€770 EUR
Retailer 4€807 EUR
Retailer 14€851 EUR
Retailer 18€1,099 EUR
Retailer 16€1,111 EUR
Retailer 7€1,159 EUR
Retailer 11€1,175 EUR
Retailer 8€1,688 EUR
Retailer 5€1,826 EUR
Retailer 15€1,900 EUR
Retailer 6€1,932 EUR
Retailer 10€2,003 EUR
Retailer 12€2,200 EUR
Brilliant Earth€3,724 EUR

37 data points across 18 retailers

17 retailers€561 EUR to €3,724 EUR

A
Cheapest Retailer
-
€561 EUR
HK$4,900 HKD
Retailer 2
-
€592 EUR
£521 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
€644 EUR
$720 USD
View
A
Retailer 4
-
€770 EUR
View
B+
Retailer 5
-
€807 EUR
$902 USD
View
A
Retailer 6
-
€851 EUR
£749 GBP
View
Retailer 7
-
€1,099 EUR
A$1,889 AUD
View
Price last confirmed 11 days ago
Retailer 8
-
€1,111 EUR
ZAR 20,058 ZAR
View
Price last confirmed 7 days ago
A
Retailer 9
-
€1,159 EUR
$1,295 USD
View
A
Retailer 10
-
€1,175 EUR
$1,313 USD
View
B+
Retailer 11
-
€1,688 EUR
$1,885 USD
View
B+
Retailer 12
-
€1,826 EUR
$2,040 USD
View
B+
Retailer 13
-
€1,900 EUR
£1,671 GBP
View
B+
Retailer 14
-
€1,932 EUR
$2,159 USD
View
Retailer 15
-
€2,003 EUR
A$3,443 AUD
View
Price last confirmed 23 days ago
B+
Retailer 16
-
€2,200 EUR
$2,458 USD
View
Most Expensive
B
Brilliant Earth
21423458A · Oct 28
€3,724 EUR
$4,160 USD
View
16 more retailers have this diamond
Prices start from €561 EURSave up to €3,162 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
€561 EUR