Cushion|Lab Grown|IGI

4.50ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG819602244

Certificate IGI LG819602244

Diamond specifications and retailer prices

From €1,460 EUR
$1,638 USD
As of October 31, 2026
Save €1,529 EUR (51%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €5,474 EUR at Brilliant Earth · As of September 23, 2026
View at Brilliant Earth

About this 4.5ct lab-grown cushion diamond

This 4.5ct 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 LG819602244 or 819602244. Listed at 5 retailers as of October 31, 2026, with a 105% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.50
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG819602244
Dimensions11.59 × 8.29 × 5.18 mm
L/W Ratio1.40
Top View
11.59 mm8.29 mm4.50 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819602244
Side View
Table 67.0%CrownGirdle: Med. - ThickPavilionCuletDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €5,474 EUR|Low: €918 EUR|High: €5,474 EUR|Avg: €2,712 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 5€918 EUR
Retailer 2€1,460 EUR
Retailer 4€2,545 EUR
Retailer 3€2,989 EUR
Brilliant Earth€5,474 EUR

8 data points across 5 retailers

5 retailers€1,460 EUR to €2,989 EUR

Retailer 1
-
€918 EUR
$1,030 USD
Price last confirmed 21 days ago
B+
Retailer 2
-
€1,460 EUR
$1,638 USD
View
Retailer 3
-
€2,545 EUR
$2,855 USD
View
Price last confirmed 14 days ago
B+
Retailer 4
-
€2,989 EUR
$3,353 USD
View
Most Expensive
Brilliant Earth
21090716A · Sep 23
€5,474 EUR
$6,140 USD
View
Price last confirmed 39 days ago
4 more retailers have this diamond
Prices start from €1,460 EURSave up to €1,529 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.

B+
4.50ct Cushion
€1,460 EUR