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Cushion|Lab Grown|IGI

3.99ct G VVS2 Cushion Lab Grown Diamond

EX • G/VVS2 • IGI LG812630957

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG812630957

Diamond specifications and retailer prices

From €449 EUR
$504 USD
As of November 1, 2026
Save €2,239 EUR (83%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €2,688 EUR at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 3.99ct lab-grown cushion diamond

This 3.99ct 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 LG812630957 or 812630957. Listed at 3 retailers as of November 1, 2026, with prices from €449 to €2,688, a €2,239 spread on the same certified stone. Rare Carat lists it at €2,688. 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

3.99
Carat
G
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812630957
Dimensions10.63 × 8.32 × 5.66 mm
L/W Ratio1.28
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.63 mm8.32 mm3.99 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812630957
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 36.2°Culet: NoneDepth 68.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €2,688 EUR|Low: €449 EUR|High: €2,719 EUR|Avg: €1,317 EUR|-1.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 3€449 EUR
Retailer 4€637 EUR
Retailer 2€852 EUR
Retailer 5€1,449 EUR
Retailer 6€1,671 EUR
Rare Carat€2,688 EUR

38 data points across 6 retailers

3 retailers€449 EUR to €2,688 EUR

A
Cheapest Retailer
-
€449 EUR
$504 USD
Final sale: no returns
A
Retailer 2
-
€852 EUR
£753 GBP
View
Most Expensive
B
Rare Carat
812630957 · Nov 1
€2,688 EUR
$3,015 USD
View
2 more retailers have this diamond
Prices start from €449 EURSave up to €2,239 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
3.99ct Cushion
€449 EUR