Cushion|Lab Grown|IGI

4.50ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG766674843

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG766674843

Diamond specifications and retailer prices

From $937 USD
As of October 29, 2026
Save $2,719 USD (74%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,264 USD 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 LG766674843 or 766674843. Listed at 20 retailers as of October 29, 2026, with a 290% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle30.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766674843
Dimensions9.60 × 8.67 × 5.84 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.60 mm8.67 mm4.50 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766674843
Side View
Table 63.0%Crown 39.2°Girdle: THK-VTKPavilion 30.3°Culet: NoneDepth 67.4%

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 29
Current: $1,490 USD|Low: $928 USD|High: $3,876 USD|Avg: $2,160 USD|-6.6%
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 30, 2026
Retailer 17$928 USD
Retailer 2$937 USD
Retailer 7$970 USD
Retailer 14$1,145 USD
Retailer 15$1,390 USD
Retailer 6$1,396 USD
Retailer 1$1,490 USD
Retailer 11$1,553 USD
Retailer 18$2,041 USD
Retailer 13$2,065 USD
Retailer 16$2,077 USD
Retailer 8$2,468 USD
Retailer 10$2,682 USD
Retailer 5$3,035 USD
Retailer 3$3,074 USD
Retailer 9$3,361 USD
Retailer 12$3,656 USD
Retailer 4$3,811 USD

34 data points across 18 retailers

20 retailers$937 USD to $3,656 USD

Retailer 1
-
$928 USD
£731 GBP
Price last confirmed 13 days ago
A
Retailer 2
-
$937 USD
View
Final sale: no returns
Retailer 3
-
$970 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$1,145 USD
View
A
Retailer 5
-
$1,390 USD
View
A
Retailer 6
-
$1,396 USD
View
A
Retailer 7
-
$1,490 USD
£1,173 GBP
View
A
Retailer 8
-
$1,553 USD
€1,479 EUR
View
A
Retailer 9
-
$2,041 USD
View
A
Retailer 10
-
$2,065 USD
ZAR 33,355 ZAR
View
Retailer 11
-
$2,077 USD
A$3,195 AUD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$2,468 USD
View
B+
Retailer 13
-
$2,682 USD
£2,112 GBP
View
B+
Retailer 14
-
$3,035 USD
View
B+
Retailer 15
-
$3,074 USD
View
B+
Retailer 16
-
$3,361 USD
View
B+
Retailer 17
-
$3,656 USD
£2,879 GBP
View
Retailer 18
-
$3,811 USD
A$5,863 AUD
View
Price last confirmed 22 days ago
Retailer 19
-
$5,320 USD
View
Price last confirmed 102 days ago
Most Expensive
Queensmith
LG766674843 · Oct 10
$7,264 USD
£5,720 GBP
View
Price last confirmed 20 days ago
19 more retailers have this diamond
Prices start from $937 USDSave up to $2,719 USD

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
$937 USD