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Cushion|Lab Grown|IGI

3.90ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG825660379

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG825660379

Diamond specifications and retailer prices

From €1,060 EUR
$1,184 USD
As of October 31, 2026
Save €3,155 EUR (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €4,656 EUR at Taylor and Hart · As of October 14, 2026
View at Taylor and Hart

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825660379 or 825660379. Listed at 21 retailers as of October 31, 2026, with a 298% 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
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825660379
Dimensions10.77 × 8.78 × 5.36 mm
L/W Ratio1.23
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.77 mm8.78 mm3.90 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825660379
Side View
Table 57.0%Crown 36.1°Girdle: THN-STKPavilion 42°Culet: LargeDepth 61.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €4,215 EUR|Low: €672 EUR|High: €4,656 EUR|Avg: €2,230 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
November 1, 2026
Retailer 8€1,025 EUR
Retailer 4€1,060 EUR
Retailer 2€1,189 EUR
Retailer 13€1,189 EUR
Retailer 5€1,246 EUR
Retailer 11€1,343 EUR
Retailer 10€1,674 EUR
Retailer 6€1,849 EUR
Retailer 7€1,996 EUR
Retailer 9€2,342 EUR
Retailer 3€3,165 EUR
Retailer 12€3,441 EUR
Retailer 1€4,215 EUR
Taylor and Hart€4,656 EUR

34 data points across 14 retailers

21 retailers€1,060 EUR to €4,215 EUR

Retailer 1
-
€1,025 EUR
$1,145 USD
Price last confirmed 39 days ago
Retailer 2
-
€1,025 EUR
$1,145 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
€1,060 EUR
$1,184 USD
View
Retailer 4
-
€1,115 EUR
$1,246 USD
View
Price last confirmed 38 days ago
Retailer 5
-
€1,173 EUR
$1,310 USD
View
Price last confirmed 33 days ago
Retailer 6
-
€1,189 EUR
$1,328 USD
View
Price last confirmed 19 days ago
Retailer 7
-
€1,189 EUR
$1,328 USD
View
Price last confirmed 29 days ago
A
Retailer 8
-
€1,189 EUR
$1,328 USD
View
A
Retailer 9
-
€1,246 EUR
$1,392 USD
View
Final sale: no returns
A
Retailer 10
-
€1,343 EUR
$1,500 USD
View
A
Retailer 11
-
€1,674 EUR
$1,870 USD
View
B+
Retailer 12
-
€1,849 EUR
£1,626 GBP
View
B+
Retailer 13
-
€1,996 EUR
View
B+
Retailer 14
-
€2,342 EUR
$2,617 USD
View
Retailer 15
-
€2,460 EUR
$2,748 USD
View
Price last confirmed 25 days ago
Retailer 16
-
€2,460 EUR
$2,748 USD
View
Price last confirmed 34 days ago
B
Retailer 17
-
€2,460 EUR
$2,748 USD
View
Retailer 18
-
€3,165 EUR
£2,784 GBP
View
Price last confirmed 17 days ago
B
Retailer 19
-
€3,441 EUR
$3,844 USD
View
B
Retailer 20
-
€4,215 EUR
£3,708 GBP
View
Most Expensive
Taylor and Hart
NWZXZUG · Oct 14
€4,656 EUR
$5,202 USD
View
Price last confirmed 17 days ago
20 more retailers have this diamond
Prices start from €1,060 EURSave up to €3,155 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
€1,060 EUR