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Cushion|Lab Grown|IGI

4.07ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG815608377

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG815608377

Diamond specifications and retailer prices

From €434 EUR
$487 USD
As of November 1, 2026
Save €2,071 EUR (83%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €2,505 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.07ct lab-grown cushion diamond

This 4.07ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG815608377 or 815608377. Listed at 4 retailers as of November 1, 2026, with prices from €434 to €2,505, a €2,071 spread on the same certified stone. Brilliant Earth lists it at €2,505. 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

4.07
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815608377
Dimensions11.28 × 8.28 × 5.56 mm
L/W Ratio1.36
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.28 mm8.28 mm4.07 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815608377
Side View
Table 62.0%Crown 36.9°Girdle: MED-THKPavilion 38°Culet: NoneDepth 67.1%

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: €2,505 EUR|Low: €434 EUR|High: €2,594 EUR|Avg: €1,318 EUR|-3.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 3€434 EUR
Retailer 6€769 EUR
Retailer 2€819 EUR
Retailer 5€945 EUR
Retailer 7€1,107 EUR
Retailer 8€1,674 EUR
Retailer 4€1,966 EUR
Brilliant Earth€2,505 EUR

37 data points across 8 retailers

4 retailers€434 EUR to €2,505 EUR

A
Cheapest Retailer
-
€434 EUR
$487 USD
Final sale: no returns
A
Retailer 2
-
€819 EUR
£723 GBP
View
Retailer 3
-
€1,966 EUR
$2,205 USD
View
Price last confirmed 23 days ago
Most Expensive
B+
Brilliant Earth
21223227A · Nov 2
€2,505 EUR
$2,810 USD
View
3 more retailers have this diamond
Prices start from €434 EURSave up to €2,071 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
4.07ct Cushion
€434 EUR