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Cushion|Lab Grown|IGI

3.85ct G SI1 Cushion Lab Grown Diamond

VG • G/SI1 • IGI LG517200627

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG517200627

Diamond specifications and retailer prices

From €2,578 EUR
$2,880 USD
As of October 31, 2026
6 retailers carry this diamond
Most expensive: €11,425 EUR at Loose Grown Diamond · As of October 26, 2026
View at Loose Grown Diamond

About this 3.85ct lab-grown cushion diamond

This 3.85ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG517200627 or 517200627. Listed at 6 retailers as of October 31, 2026. 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

3.85
Carat
G
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.4°
Pavilion angle31.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517200627
Dimensions9.07 × 8.65 × 5.37 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.07 mm8.65 mm3.85 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517200627
Side View
Table 59.5%Crown 30.4°Girdle: VTK-ETKPavilion 31.1°Culet: NoneDepth 62.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: €11,425 EUR|Low: €2,578 EUR|High: €17,040 EUR|Avg: €11,021 EUR|+0.2%
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 3€2,578 EUR
Retailer 6€10,335 EUR
Retailer 5€10,705 EUR
Retailer 7€10,737 EUR
Loose Grown Diamond€11,425 EUR
Retailer 2€12,631 EUR
Retailer 4€16,905 EUR

36 data points across 7 retailers

6 retailers

B
Cheapest Retailer
-
€2,578 EUR
$2,880 USD
Retailer 2
-
€10,335 EUR
$11,546 USD
View
Price under review
Final sale: no returns
Retailer 3
-
€10,705 EUR
$11,960 USD
View
Price under review
Most Expensive
Loose Grown Diamond
517200627 · Oct 26
€11,425 EUR
$12,764 USD
View
Price under review
3 more retailers have this diamond
Prices start from €2,578 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
3.85ct Cushion
€2,578 EUR