Cushion|Lab Grown|IGI

4.51ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG761528519

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG761528519

Diamond specifications and retailer prices

From $6,120 USD
As of October 29, 2026
2 retailers carry this diamond
Most expensive: $6,120 USD at Brilliant Earth
View at Brilliant Earth

About this 4.51ct lab-grown cushion diamond

This 4.51ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG761528519 or 761528519. Listed at 2 retailers as of October 29, 2026. 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

4.51
Carat
E
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761528519
Dimensions10.68 × 8.49 × 10.68 mm
L/W Ratio1.26
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.68 mm8.49 mm4.51 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761528519
Side View
Table 64.0%Crown 37°Girdle: STK-THKPavilion 32.4°Culet: NoneDepth 65.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $6,120 USD|Low: $879 USD|High: $6,120 USD|Avg: $2,193 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
September 2, 2026
Retailer 3$879 USD
Retailer 7$1,220 USD
Retailer 10$1,834 USD
Retailer 6$1,949 USD
Retailer 11$2,261 USD
Retailer 8$2,301 USD
Retailer 9$2,565 USD
Retailer 5$2,747 USD
Retailer 4$3,232 USD
Retailer 2$3,696 USD
Brilliant Earth$6,120 USD

74 data points across 11 retailers

2 retailers

Retailer 1
-
$3,696 USD
Price last confirmed 95 days ago
Most Expensive
B
Brilliant Earth
17147405A · Oct 29
$6,120 USD
View
1 more retailer has this diamond

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
4.51ct Cushion
$6,120 USD