Cushion|Lab Grown|IGI

3.05ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG811666654

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811666654

Diamond specifications and retailer prices

From €347 EUR
$388 USD
As of October 31, 2026
Save €2,114 EUR (86%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €2,461 EUR at Brilliant Earth · As of October 31, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811666654 or 811666654. Listed at 4 retailers as of October 31, 2026, with prices from €347 to €2,461, a €2,114 spread on the same certified stone. Brilliant Earth lists it at €2,461. 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
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811666654
Dimensions10.24 × 7.49 × 5.03 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.24 mm7.49 mm3.05 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811666654
Side View
Table 63.0%Crown 35.7°Girdle: MED-STKPavilion 37.3°Culet: NoneDepth 67.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €2,461 EUR|Low: €347 EUR|High: €2,614 EUR|Avg: €1,096 EUR|-5.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 3€347 EUR
Retailer 5€546 EUR
Retailer 7€634 EUR
Retailer 2€709 EUR
Retailer 6€1,357 EUR
Retailer 4€1,660 EUR
Brilliant Earth€2,461 EUR

40 data points across 7 retailers

4 retailers€347 EUR to €2,461 EUR

A
Cheapest Retailer
-
€347 EUR
$388 USD
Final sale: no returns
A
Retailer 2
-
€709 EUR
£623 GBP
View
Retailer 3
-
€1,660 EUR
$1,855 USD
View
Price last confirmed 26 days ago
Most Expensive
B
Brilliant Earth
21247747A · Oct 31
€2,461 EUR
$2,750 USD
View
3 more retailers have this diamond
Prices start from €347 EURSave up to €2,114 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
€347 EUR