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Cushion|Lab Grown|IGI

3.90ct G VVS2 Cushion Lab Grown Diamond

EX • G/VVS2 • IGI LG817643761

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817643761

Diamond specifications and retailer prices

From €440 EUR
$493 USD
As of November 1, 2026
Save €395 EUR (47%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €2,630 EUR at Rare Carat · As of October 19, 2026
View at Rare Carat

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817643761 or 817643761. Listed at 3 retailers as of November 1, 2026, with a 90% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817643761
Dimensions11.21 × 8.14 × 5.42 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.21 mm8.14 mm3.90 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817643761
Side View
Table 62.0%Crown 34.7°Girdle: MED-STKPavilion 35.7°Culet: NoneDepth 66.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €2,630 EUR|Low: €440 EUR|High: €2,670 EUR|Avg: €1,222 EUR|-1.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3€440 EUR
Retailer 4€633 EUR
Retailer 7€769 EUR
Retailer 2€835 EUR
Retailer 5€1,390 EUR
Retailer 6€1,652 EUR
Rare Carat€2,630 EUR

38 data points across 7 retailers

3 retailers€440 EUR to €835 EUR

A
Cheapest Retailer
-
€440 EUR
$493 USD
Final sale: no returns
A
Retailer 2
-
€835 EUR
£737 GBP
View
Most Expensive
Rare Carat
817643761 · Oct 19
€2,630 EUR
$2,950 USD
View
Price last confirmed 14 days ago
2 more retailers have this diamond
Prices start from €440 EURSave up to €395 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
€440 EUR