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Cushion|Lab Grown|IGI

3.11ct H SI1 Cushion Lab Grown Diamond

VG • H/SI1 • IGI LG447069256

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG447069256

Diamond specifications and retailer prices

From €791 EUR
$884 USD
As of October 30, 2026
Save €3,201 EUR (80%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €3,992 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.11ct lab-grown cushion diamond

This 3.11ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG447069256 or 447069256. Listed at 8 retailers as of October 30, 2026, with prices from €791 to €3,992, a €3,201 spread on the same certified stone. Do Amore Diamonds lists it at €3,992. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.11
Carat
H
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447069256
Dimensions8.37 × 8.31 × 5.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
8.37 mm8.31 mm3.11 ctH / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447069256
Side View
Table 62.0%Crown 34.3°Girdle: THK-VTKPavilion 40.3°Culet: NoneDepth 69.2%

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 30
Current: €3,992 EUR|Low: €668 EUR|High: €3,992 EUR|Avg: €1,469 EUR|+28.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5€791 EUR
Retailer 3€792 EUR
Retailer 10€795 EUR
Retailer 4€866 EUR
Retailer 9€928 EUR
Retailer 8€1,287 EUR
Retailer 7€1,459 EUR
Retailer 6€2,094 EUR
Retailer 2€2,673 EUR
Do Amore Diamonds€3,992 EUR

8 data points across 10 retailers

8 retailers€791 EUR to €3,992 EUR

A
Cheapest Retailer
-
€791 EUR
$884 USD
B+
Retailer 2
-
€792 EUR
$885 USD
View
A
Retailer 3
-
€866 EUR
$968 USD
View
B+
Retailer 4
-
€1,287 EUR
$1,438 USD
View
Retailer 5
-
€1,459 EUR
$1,630 USD
View
Price last confirmed 11 days ago
B
Retailer 6
-
€2,094 EUR
$2,339 USD
View
B
Retailer 7
-
€2,673 EUR
£2,351 GBP
View
Most Expensive
B
Do Amore Diamonds
27-19FC8B45B · Oct 31
€3,992 EUR
$4,460 USD
View
7 more retailers have this diamond
Prices start from €791 EURSave up to €3,201 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
3.11ct Cushion
€791 EUR