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Cushion|Lab Grown|IGI

5.11ct F SI1 Cushion Lab Grown Diamond

GD • F/SI1 • IGI LG696511813

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG696511813

Diamond specifications and retailer prices

From €929 EUR
$1,042 USD
As of November 1, 2026
Save €2,628 EUR (74%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €3,557 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.11ct lab-grown cushion diamond

This 5.11ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG696511813 or 696511813. Listed at 9 retailers as of October 31, 2026, with prices from €929 to €3,557, a €2,628 spread on the same certified stone. Brilliant Earth lists it at €3,557. 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

5.11
Carat
F
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696511813
Dimensions11.96 × 9.19 × 6.01 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.96 mm9.19 mm5.11 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696511813
Side View
Table 64.0%Crown 31.4°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 65.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €3,557 EUR|Low: €602 EUR|High: €6,705 EUR|Avg: €1,533 EUR|-46.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 10€602 EUR
Retailer 7€633 EUR
Retailer 9€929 EUR
Retailer 5€932 EUR
Retailer 2€938 EUR
Retailer 4€975 EUR
Retailer 8€991 EUR
Retailer 6€1,180 EUR
Retailer 3€2,511 EUR
Brilliant Earth€3,557 EUR

35 data points across 10 retailers

9 retailers€929 EUR to €3,557 EUR

Retailer 1
-
€633 EUR
£559 GBP
Price last confirmed 16 days ago
B
Retailer 2
-
€929 EUR
$1,042 USD
View
B+
Retailer 3
-
€932 EUR
$1,045 USD
View
B+
Retailer 4
-
€938 EUR
£828 GBP
View
B+
Retailer 5
-
€975 EUR
View
B+
Retailer 6
-
€991 EUR
$1,111 USD
View
B+
Retailer 7
-
€1,180 EUR
$1,324 USD
View
B
Retailer 8
-
€2,511 EUR
£2,218 GBP
View
Most Expensive
B
Brilliant Earth
20358551A · Oct 31
€3,557 EUR
$3,990 USD
View
8 more retailers have this diamond
Prices start from €929 EURSave up to €2,628 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.

B+
5.11ct Cushion
€929 EUR