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Cushion|Lab Grown|IGI

5.28ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG805618451

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG805618451

Diamond specifications and retailer prices

From $4,222 USD
As of October 29, 2026
Save $7,819 USD (65%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $17,170 USD at Taylor and Hart · As of October 27, 2026
View at Taylor and Hart

About this 5.28ct lab-grown cushion diamond

This 5.28ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG805618451 or 805618451. Listed at 15 retailers as of October 28, 2026, with a 185% 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

5.28
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805618451
Dimensions12.67 × 9.44 × 5.83 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.67 mm9.44 mm5.28 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805618451
Side View
Table 58.0%Crown 37°Girdle: MED-STKPavilion 37.9°Culet: LargeDepth 61.8%

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 29
Current: $9,808 USD|Low: $3,084 USD|High: $12,023 USD|Avg: $7,061 USD|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 12$3,512 USD
Retailer 5$4,222 USD
Retailer 10$4,374 USD
Retailer 4$4,435 USD
Retailer 3$6,210 USD
Retailer 6$6,333 USD
Retailer 2$6,782 USD
Retailer 9$9,738 USD
Retailer 1$9,808 USD
Retailer 8$9,969 USD
Retailer 7$10,051 USD
Retailer 11$11,075 USD

41 data points across 12 retailers

15 retailers$4,222 USD to $12,041 USD

Retailer 1
-
$3,512 USD
Price last confirmed 9 days ago
B+
Retailer 2
-
$4,222 USD
View
Final sale: no returns
Retailer 3
-
$4,374 USD
View
Price last confirmed 17 days ago
B+
Retailer 4
-
$4,435 USD
View
B
Retailer 5
-
$6,210 USD
View
B+
Retailer 6
-
$6,333 USD
£4,986 GBP
View
B
Retailer 7
-
$6,782 USD
£5,340 GBP
View
Retailer 8
-
$9,738 USD
A$14,982 AUD
View
Price last confirmed 24 days ago
B
Retailer 9
-
$9,808 USD
ZAR 158,451 ZAR
View
Retailer 10
-
$9,969 USD
A$15,337 AUD
View
Price last confirmed 7 days ago
B
Retailer 11
-
$10,051 USD
£7,914 GBP
View
B
Retailer 12
-
$11,075 USD
View
B
Retailer 13
-
$12,041 USD
View
Most Expensive
Taylor and Hart
TSLWCF3 · Oct 27
$17,170 USD
View
Price under review
13 more retailers have this diamond
Prices start from $4,222 USDSave up to $7,819 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.

B+
5.28ct Cushion
$4,222 USD