Cushion|Lab Grown|IGI

4.52ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG818674959

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG818674959

Diamond specifications and retailer prices

From $693 USD
As of October 28, 2026
Save $4,657 USD (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,350 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 4.52ct lab-grown cushion diamond

This 4.52ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818674959 or 818674959. Listed at 17 retailers as of October 28, 2026, with prices from $693 to $5,350, a $4,657 spread on the same certified stone. Brilliant Earth lists it at $5,350. 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

4.52
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818674959
Dimensions9.60 × 9.41 × 6.19 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.60 mm9.41 mm4.52 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818674959
Side View
Table 62.0%Crown 32.5°Girdle: STK-THKPavilion 38.5°Culet: NoneDepth 65.8%

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 28
Current: $5,350 USD|Low: $623 USD|High: $5,520 USD|Avg: $2,253 USD|-3.1%
Brilliant Earth
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
October 29, 2026
Retailer 3$623 USD
Retailer 4$693 USD
Retailer 13$895 USD
Retailer 5$1,177 USD
Retailer 12$1,196 USD
Retailer 2$1,198 USD
Retailer 11$1,529 USD
Retailer 14$1,548 USD
Retailer 15$1,700 USD
Retailer 17$1,946 USD
Retailer 9$2,286 USD
Retailer 7$2,376 USD
Retailer 6$2,482 USD
Retailer 10$3,043 USD
Retailer 8$3,546 USD
Retailer 16$4,140 USD
Brilliant Earth$5,350 USD

34 data points across 17 retailers

17 retailers$693 USD to $5,350 USD

A
Retailer 1
-
$623 USD
£491 GBP
Price last confirmed 12 days ago
A
Retailer 2
-
$693 USD
View
Final sale: no returns
A
Retailer 3
-
$895 USD
View
B+
Retailer 4
-
$1,177 USD
View
A
Retailer 5
-
$1,196 USD
£942 GBP
View
A
Retailer 6
-
$1,198 USD
€1,141 EUR
View
A
Retailer 7
-
$1,529 USD
ZAR 24,708 ZAR
View
A
Retailer 8
-
$1,548 USD
A$2,382 AUD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$1,700 USD
View
A
Retailer 10
-
$1,946 USD
View
B+
Retailer 11
-
$2,286 USD
£1,800 GBP
View
Price last confirmed 16 days ago
A
Retailer 12
-
$2,376 USD
View
B+
Retailer 13
-
$2,482 USD
View
B+
Retailer 14
-
$3,043 USD
£2,396 GBP
View
B+
Retailer 15
-
$3,546 USD
A$5,456 AUD
View
Price last confirmed 20 days ago
B
Retailer 16
-
$4,140 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21057030A · Oct 28
$5,350 USD
View
16 more retailers have this diamond
Prices start from $693 USDSave up to $4,657 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
4.52ct Cushion
$693 USD