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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 $5,397 SGD
$4,222 USD
As of October 29, 2026
Save $9,996 SGD (65%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $21,950 SGD at Taylor and Hart · As of October 30, 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 29, 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
Colour
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: $8,120 SGD|Low: $3,943 SGD|High: $15,370 SGD|Avg: $9,398 SGD|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 11$4,490 SGD
Retailer 5$5,397 SGD
Retailer 9$5,592 SGD
Retailer 3$7,939 SGD
Retailer 1$8,120 SGD
Retailer 2$8,670 SGD
Retailer 8$12,449 SGD
Retailer 4$12,539 SGD
Retailer 7$12,744 SGD
Retailer 6$12,849 SGD
Retailer 10$14,158 SGD

42 data points across 11 retailers

15 retailers$5,397 SGD to $15,393 SGD

Retailer 1
-
$4,490 SGD
$3,512 USD
Price last confirmed 10 days ago
B+
Retailer 2
-
$5,397 SGD
$4,222 USD
View
Final sale: no returns
Retailer 3
-
$5,592 SGD
$4,374 USD
View
Price last confirmed 17 days ago
B+
Retailer 4
-
$5,670 SGD
$4,435 USD
View
B
Retailer 5
-
$7,939 SGD
$6,210 USD
View
B+
Retailer 6
-
$8,120 SGD
£5,002 GBP
View
B
Retailer 7
-
$8,670 SGD
£5,340 GBP
View
Retailer 8
-
$12,449 SGD
A$14,982 AUD
View
Price last confirmed 25 days ago
B
Retailer 9
-
$12,539 SGD
ZAR 158,451 ZAR
View
Retailer 10
-
$12,744 SGD
A$15,337 AUD
View
Price last confirmed 8 days ago
B
Retailer 11
-
$12,849 SGD
£7,914 GBP
View
B
Retailer 12
-
$14,158 SGD
$11,075 USD
View
B
Retailer 13
-
$15,393 SGD
$12,041 USD
View
Most Expensive
Taylor and Hart
TSLWCF3 · Oct 30
$21,950 SGD
$17,170 USD
View
Price under review
13 more retailers have this diamond
Prices start from $5,397 SGDSave up to $9,996 SGD

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
$5,397 SGD