Cushion|Lab Grown|IGI

8.57ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG839651442

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG839651442

Diamond specifications and retailer prices

From $4,476 CAD
$3,204 USD
As of October 29, 2026
Save $12,561 CAD (74%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $24,655 CAD at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 8.57ct lab-grown cushion diamond

This 8.57ct 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 LG839651442 or 839651442. Listed at 19 retailers as of October 29, 2026, with a 281% 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

8.57
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839651442
Dimensions14.72 × 10.55 × 6.66 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.72 mm10.55 mm8.57 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839651442
Side View
Table 65.0%Crown 37.5°Girdle: MED-STKPavilion 33.3°Culet: NoneDepth 63.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,532 CAD|Low: $4,476 CAD|High: $17,270 CAD|Avg: $9,261 CAD|-2.7%
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
October 30, 2026
Retailer 5$4,476 CAD
Retailer 9$4,719 CAD
Retailer 17$4,861 CAD
Retailer 16$5,039 CAD
Retailer 1$5,532 CAD
Retailer 10$6,263 CAD
Retailer 14$6,624 CAD
Retailer 12$7,065 CAD
Retailer 11$7,774 CAD
Retailer 3$8,005 CAD
Retailer 4$8,602 CAD
Retailer 13$11,812 CAD
Retailer 8$11,907 CAD
Retailer 6$16,151 CAD
Retailer 7$16,364 CAD
Retailer 2$16,749 CAD
Retailer 15$17,037 CAD

21 data points across 17 retailers

19 retailers$4,476 CAD to $17,037 CAD

A
Cheapest Retailer
-
$4,476 CAD
$3,204 USD
Final sale: no returns
Retailer 2
-
$4,719 CAD
$3,378 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$4,861 CAD
$3,480 USD
View
A
Retailer 4
-
$5,039 CAD
$3,607 USD
View
A
Retailer 5
-
$5,532 CAD
£3,118 GBP
View
A
Retailer 6
-
$6,263 CAD
£3,530 GBP
View
A
Retailer 7
-
$6,624 CAD
$4,742 USD
View
A
Retailer 8
-
$7,065 CAD
€4,817 EUR
View
B+
Retailer 9
-
$7,774 CAD
ZAR 89,906 ZAR
View
B+
Retailer 10
-
$8,005 CAD
£4,512 GBP
View
Retailer 11
-
$8,602 CAD
A$9,474 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$11,812 CAD
£6,658 GBP
View
B+
Retailer 13
-
$11,907 CAD
$8,524 USD
View
B+
Retailer 14
-
$16,151 CAD
$11,562 USD
View
B
Retailer 15
-
$16,364 CAD
SGD 15,830 SGD
View
B
Retailer 16
-
$16,749 CAD
$11,990 USD
View
B
Retailer 17
-
$17,037 CAD
$12,196 USD
View
Retailer 18
-
$20,925 CAD
A$23,045 AUD
View
Price last confirmed 21 days ago
Most Expensive
Helzberg Diamonds
ZXZOJPMLHKKI · Oct 13
$24,655 CAD
$17,650 USD
View
Price last confirmed 17 days ago
18 more retailers have this diamond
Prices start from $4,476 CADSave up to $12,561 CAD

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
8.57ct Cushion
$4,476 CAD