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Cushion|Lab Grown|IGI

4.28ct H VVS1 Cushion Lab Grown Diamond

ID • H/VVS1 • IGI LG640404242

Certificate IGI LG640404242

Diamond specifications and retailer prices

From €1,512 EUR
HK$13,200 HKD
As of November 1, 2026
Save €4,794 EUR (76%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €6,307 EUR at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.28ct lab-grown cushion diamond

This 4.28ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG640404242 or 640404242. Listed at 9 retailers as of October 31, 2026, with prices from €1,512 to €6,307, a €4,794 spread on the same certified stone. With Clarity lists it at €6,307. 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

4.28
Carat
H
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG640404242
Dimensions9.47 × 9.46 × 6.21 mm
L/W Ratio1.00
Top View
9.47 mm9.46 mm4.28 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640404242
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 65.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,983 EUR|Low: €1,500 EUR|High: €6,472 EUR|Avg: €3,642 EUR|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
October 31, 2026
Retailer 8€1,512 EUR
Retailer 4€1,864 EUR
Retailer 1€1,983 EUR
Retailer 7€2,742 EUR
Retailer 6€3,203 EUR
Retailer 5€4,362 EUR
Retailer 3€4,807 EUR
Retailer 2€4,842 EUR
With Clarity€6,181 EUR

20 data points across 9 retailers

9 retailers€1,512 EUR to €6,307 EUR

A
Cheapest Retailer
-
€1,512 EUR
HK$13,200 HKD
B+
Retailer 2
-
€1,864 EUR
$2,082 USD
View
A
Retailer 3
-
€1,983 EUR
View
B+
Retailer 4
-
€2,742 EUR
$3,063 USD
View
B+
Retailer 5
-
€3,203 EUR
$3,578 USD
View
B
Retailer 6
-
€4,362 EUR
SGD 6,586 SGD
View
Retailer 7
-
€4,807 EUR
$5,370 USD
View
Price last confirmed 13 days ago
B
Retailer 8
-
€4,842 EUR
$5,410 USD
View
Most Expensive
B
With Clarity
640404242 · Oct 31
€6,307 EUR
$7,046 USD
View
8 more retailers have this diamond
Prices start from €1,512 EURSave up to €4,794 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
4.28ct Cushion
€1,512 EUR