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 $3,204 USD
As of October 29, 2026
Save $8,992 USD (74%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $17,650 USD 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

How it works →
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 29
Current: $3,960 USD|Low: $3,204 USD|High: $12,363 USD|Avg: $6,630 USD|-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$3,204 USD
Retailer 9$3,378 USD
Retailer 17$3,480 USD
Retailer 16$3,607 USD
Retailer 1$3,960 USD
Retailer 10$4,483 USD
Retailer 14$4,742 USD
Retailer 12$5,058 USD
Retailer 11$5,565 USD
Retailer 3$5,730 USD
Retailer 4$6,158 USD
Retailer 13$8,456 USD
Retailer 8$8,524 USD
Retailer 6$11,562 USD
Retailer 7$11,714 USD
Retailer 2$11,990 USD
Retailer 15$12,196 USD

21 data points across 17 retailers

19 retailers$3,204 USD to $12,196 USD

A
Cheapest Retailer
-
$3,204 USD
Final sale: no returns
Retailer 2
-
$3,378 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$3,480 USD
View
A
Retailer 4
-
$3,607 USD
View
A
Retailer 5
-
$3,960 USD
£3,118 GBP
View
A
Retailer 6
-
$4,483 USD
£3,530 GBP
View
A
Retailer 7
-
$4,742 USD
View
A
Retailer 8
-
$5,058 USD
€4,817 EUR
View
B+
Retailer 9
-
$5,565 USD
ZAR 89,906 ZAR
View
B+
Retailer 10
-
$5,730 USD
£4,512 GBP
View
Retailer 11
-
$6,158 USD
A$9,474 AUD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$8,456 USD
£6,658 GBP
View
B+
Retailer 13
-
$8,524 USD
View
B+
Retailer 14
-
$11,562 USD
View
B
Retailer 15
-
$11,714 USD
SGD 15,830 SGD
View
B
Retailer 16
-
$11,990 USD
View
B
Retailer 17
-
$12,196 USD
View
Retailer 18
-
$14,979 USD
A$23,045 AUD
View
Price last confirmed 21 days ago
Most Expensive
Helzberg Diamonds
ZXZOJPMLHKKI · Oct 13
$17,650 USD
View
Price last confirmed 17 days ago
18 more retailers have this diamond
Prices start from $3,204 USDSave up to $8,992 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
8.57ct Cushion
$3,204 USD