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Cushion|Lab Grown|IGI

5.05ct F SI1 Cushion Lab Grown Diamond

GD • F/SI1 • IGI LG696511824

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG696511824

Diamond specifications and retailer prices

From $1,031 USD
£812 GBP
As of November 2, 2026
Save $2,909 USD (74%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,940 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 5.05ct lab-grown cushion diamond

This 5.05ct 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 LG696511824 or 696511824. Listed at 8 retailers as of November 2, 2026, with prices from $1,031 to $3,940, a $2,909 spread on the same certified stone. Brilliant Earth lists it at $3,940. 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

5.05
Carat
F
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696511824
Dimensions11.57 × 9.26 × 6.14 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.57 mm9.26 mm5.05 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696511824
Side View
Table 65.0%Crown 27.3°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 66.3%

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: Nov 2
Current: $3,940 USD|Low: $702 USD|High: $4,460 USD|Avg: $1,620 USD|-11.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$702 USD
Retailer 2$1,031 USD
Retailer 9$1,033 USD
Retailer 4$1,035 USD
Retailer 3$1,080 USD
Retailer 8$1,102 USD
Retailer 6$1,295 USD
Retailer 5$2,789 USD
Brilliant Earth$3,940 USD

38 data points across 9 retailers

8 retailers$1,031 USD to $3,940 USD

A
Cheapest Retailer
-
$1,031 USD
£812 GBP
B+
Retailer 2
-
$1,033 USD
View
B+
Retailer 3
-
$1,035 USD
View
A
Retailer 4
-
$1,080 USD
€1,029 EUR
View
B+
Retailer 5
-
$1,102 USD
View
B+
Retailer 6
-
$1,295 USD
View
B
Retailer 7
-
$2,789 USD
£2,196 GBP
View
Most Expensive
C
Brilliant Earth
20358662A · Nov 2
$3,940 USD
View
7 more retailers have this diamond
Prices start from $1,031 USDSave up to $2,909 USD

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
5.05ct Cushion
$1,031 USD