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Cushion|Lab Grown|IGI

4.50ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG805635950

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG805635950

Diamond specifications and retailer prices

From €822 EUR
£723 GBP
As of October 30, 2026
Save €4,557 EUR (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €6,502 EUR at Queensmith · As of October 10, 2026
View at Queensmith

About this 4.5ct lab-grown cushion diamond

This 4.5ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG805635950 or 805635950. Listed at 19 retailers as of October 30, 2026, with a 554% 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
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805635950
Dimensions10.22 × 8.26 × 5.93 mm
L/W Ratio1.24
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.22 mm8.26 mm4.50 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805635950
Side View
Table 63.0%Crown 39.3°Girdle: MED-THKPavilion 35°Culet: NoneDepth 71.8%

Caratlytics Score

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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: Oct 30
Current: €1,350 EUR|Low: €820 EUR|High: €9,273 EUR|Avg: €2,421 EUR|-8.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 14€822 EUR
Retailer 5€832 EUR
Retailer 4€861 EUR
Retailer 12€1,020 EUR
Retailer 8€1,176 EUR
Retailer 18€1,233 EUR
Retailer 15€1,323 EUR
Retailer 1€1,350 EUR
Retailer 17€1,833 EUR
Retailer 11€1,845 EUR
Retailer 9€2,208 EUR
Retailer 3€2,374 EUR
Retailer 7€2,695 EUR
Retailer 6€2,733 EUR
Retailer 10€2,983 EUR
Retailer 16€3,245 EUR
Retailer 2€4,261 EUR
Retailer 13€5,379 EUR

33 data points across 18 retailers

19 retailers€822 EUR to €5,379 EUR

A
Cheapest Retailer
-
€822 EUR
£723 GBP
A
Retailer 2
-
€832 EUR
$929 USD
View
Final sale: no returns
Retailer 3
-
€861 EUR
$962 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
€1,020 EUR
$1,140 USD
View
A
Retailer 5
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€1,176 EUR
$1,314 USD
View
A
Retailer 6
-
€1,233 EUR
$1,378 USD
View
A
Retailer 7
-
€1,323 EUR
£1,164 GBP
View
A
Retailer 8
-
€1,350 EUR
View
A
Retailer 9
-
€1,833 EUR
ZAR 33,084 ZAR
View
A
Retailer 10
-
€1,845 EUR
A$3,171 AUD
View
B+
Retailer 11
-
€2,208 EUR
$2,467 USD
View
B+
Retailer 12
-
€2,374 EUR
£2,088 GBP
View
B+
Retailer 13
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€2,695 EUR
$3,011 USD
View
B+
Retailer 14
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€2,733 EUR
$3,053 USD
View
B+
Retailer 15
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€2,983 EUR
$3,333 USD
View
B+
Retailer 16
-
€3,245 EUR
£2,855 GBP
View
Retailer 17
-
€4,261 EUR
$4,760 USD
View
Price last confirmed 13 days ago
B
Retailer 18
-
€5,379 EUR
$6,010 USD
View
Most Expensive
Queensmith
LG805635950 · Oct 10
€6,502 EUR
£5,720 GBP
View
Price last confirmed 21 days ago
18 more retailers have this diamond
Prices start from €822 EURSave up to €4,557 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
4.50ct Cushion
€822 EUR