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Cushion|Lab Grown|IGI

3.90ct G VVS1 Cushion Lab Grown Diamond

EX • G/VVS1 • IGI LG826616283

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

Certificate IGI LG826616283

Diamond specifications and retailer prices

From €516 EUR
$576 USD
As of October 31, 2026
Save €409 EUR (44%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €925 EUR at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 3.9ct lab-grown cushion diamond

This 3.9ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG826616283 or 826616283. Listed at 2 retailers as of October 31, 2026, with prices from €516 to €925, a €409 spread on the same certified stone. 77 Diamonds lists it at €925. 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

3.90
Carat
G
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826616283
Dimensions9.31 × 9.13 × 6.14 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.31 mm9.13 mm3.90 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826616283
Side View
Table 59.0%Crown 34.2°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 67.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €925 EUR|Low: €516 EUR|High: €2,305 EUR|Avg: €1,402 EUR|-7.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 2€516 EUR
77 Diamonds€925 EUR
Retailer 4€940 EUR
Retailer 3€1,088 EUR
Retailer 5€2,024 EUR
Retailer 6€2,305 EUR

37 data points across 6 retailers

2 retailers€516 EUR to €925 EUR

A
Cheapest Retailer
-
€516 EUR
$576 USD
Final sale: no returns
Most Expensive
A
77 Diamonds
CUSTVSQMZXSJXN · Nov 1
€925 EUR
£813 GBP
View
1 more retailer has this diamond
Prices start from €516 EURSave up to €409 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
3.90ct Cushion
€516 EUR