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Cushion|Lab Grown|IGI

4.00ct G VVS1 Cushion Lab Grown Diamond

EX • G/VVS1 • IGI LG823673091

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

Certificate IGI LG823673091

Diamond specifications and retailer prices

From €615 EUR
$687 USD
As of November 1, 2026
Save €4,823 EUR (89%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €5,438 EUR at Frank Darling · As of November 1, 2026
View at Frank Darling

About this 4ct lab-grown cushion diamond

This 4ct 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 LG823673091 or 823673091. Listed at 4 retailers as of November 1, 2026, with prices from €615 to €5,438, a €4,823 spread on the same certified stone. Frank Darling lists it at €5,438. 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

4.00
Carat
G
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823673091
Dimensions9.42 × 9.25 × 6.17 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
9.42 mm9.25 mm4.00 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823673091
Side View
Table 58.0%Crown 37.1°Girdle: THN-STKPavilion 39.8°Culet: NoneDepth 66.7%

Caratlytics Score

How it works →
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: Nov 1
Current: €5,438 EUR|Low: €615 EUR|High: €5,439 EUR|Avg: €2,380 EUR|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2€615 EUR
Retailer 7€788 EUR
Retailer 4€852 EUR
Retailer 5€1,085 EUR
Retailer 8€1,788 EUR
Retailer 3€1,921 EUR
Retailer 6€4,807 EUR
Frank Darling€5,438 EUR

7 data points across 8 retailers

4 retailers€615 EUR to €5,438 EUR

A
Cheapest Retailer
-
€615 EUR
$687 USD
Final sale: no returns
B+
Retailer 2
-
€852 EUR
$952 USD
View
B+
Retailer 3
-
€1,921 EUR
$2,146 USD
View
Most Expensive
B
Frank Darling
100756180543KD · Nov 1
€5,438 EUR
$6,075 USD
View
3 more retailers have this diamond
Prices start from €615 EURSave up to €4,823 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
4.00ct Cushion
€615 EUR