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Cushion|Lab Grown|IGI

4.49ct J VS1 Cushion Lab Grown Diamond

ID • J/VS1 • IGI LG828657627

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG828657627

Diamond specifications and retailer prices

From €1,498 EUR
$1,674 USD
As of October 31, 2026
Save €2,709 EUR (64%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €4,207 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.49ct lab-grown cushion diamond

This 4.49ct lab-grown cushion sits in the three to five carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828657627 or 828657627. Listed at 10 retailers as of October 31, 2026, with prices from €1,498 to €4,207, a €2,709 spread on the same certified stone. Brilliant Earth lists it at €4,207. 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

4.49
Carat
J
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828657627
Dimensions11.69 × 8.01 × 5.33 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.69 mm8.01 mm4.49 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828657627
Side View
Table 60.0%Crown 44.8°Girdle: THK-VTKPavilion 38.6°Culet: LargeDepth 66.5%

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: €4,207 EUR|Low: €1,148 EUR|High: €4,545 EUR|Avg: €2,588 EUR|+13.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3€1,148 EUR
Retailer 7€1,298 EUR
Retailer 2€1,498 EUR
Retailer 10€1,535 EUR
Retailer 8€1,836 EUR
Retailer 4€1,891 EUR
Retailer 6€2,147 EUR
Retailer 5€2,505 EUR
Retailer 9€3,845 EUR
Retailer 11€4,165 EUR
Brilliant Earth€4,207 EUR

21 data points across 11 retailers

10 retailers€1,498 EUR to €4,207 EUR

Retailer 1
-
€1,298 EUR
$1,450 USD
Price last confirmed 8 days ago
A
Retailer 2
-
€1,498 EUR
$1,674 USD
View
Retailer 3
-
€1,535 EUR
$1,715 USD
View
Price last confirmed 7 days ago
Retailer 4
-
€1,836 EUR
View
Price last confirmed 8 days ago
Retailer 5
-
€1,891 EUR
$2,113 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€2,147 EUR
$2,399 USD
View
Retailer 7
-
€2,505 EUR
ZAR 45,217 ZAR
View
Price last confirmed 12 days ago
Retailer 8
-
€3,845 EUR
£3,382 GBP
View
Price last confirmed 10 days ago
B
Retailer 9
-
€4,165 EUR
$4,653 USD
View
Most Expensive
B
Brilliant Earth
21011298A · Oct 31
€4,207 EUR
$4,700 USD
View
9 more retailers have this diamond
Prices start from €1,498 EURSave up to €2,709 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
4.49ct Cushion
€1,498 EUR