Cushion|Lab Grown|IGI

5.20ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG811649663

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811649663

Diamond specifications and retailer prices

From $2,934 AUD
$2,061 USD
As of October 29, 2026
Save $16,339 AUD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $19,273 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.2ct lab-grown cushion diamond

This 5.2ct 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 LG811649663 or 811649663. Listed at 22 retailers as of October 29, 2026, with prices from $2,934 to $19,273, a $16,339 spread on the same certified stone. Brilliant Earth lists it at $19,273. 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

5.20
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811649663
Dimensions12.03 × 8.63 × 5.87 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.03 mm8.63 mm5.20 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811649663
Side View
Table 65.0%Crown 36.9°Girdle: THK-VTKPavilion 32.9°Culet: NoneDepth 68.0%

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 29
Current: $19,273 AUD|Low: $3,039 AUD|High: $19,273 AUD|Avg: $7,092 AUD
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
October 30, 2026
Retailer 3$3,039 AUD
Retailer 9$3,281 AUD
Retailer 5$3,526 AUD
Retailer 2$4,179 AUD
Retailer 10$4,344 AUD
Retailer 7$4,832 AUD
Retailer 11$6,170 AUD
Retailer 6$6,176 AUD
Retailer 12$7,833 AUD
Retailer 8$8,728 AUD
Retailer 4$10,150 AUD
Retailer 13$11,388 AUD
Brilliant Earth$19,273 AUD

37 data points across 13 retailers

22 retailers$2,934 AUD to $19,273 AUD

A
Cheapest Retailer
-
$2,934 AUD
$2,061 USD
Final sale: no returns
Retailer 2
-
$3,039 AUD
$2,135 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$3,281 AUD
$2,305 USD
View
A
Retailer 4
-
$3,498 AUD
HK$19,200 HKD
View
A
Retailer 5
-
$3,526 AUD
$2,477 USD
View
A
Retailer 6
-
$4,179 AUD
£2,312 GBP
View
A
Retailer 7
-
$4,344 AUD
$3,052 USD
View
B+
Retailer 8
-
$4,832 AUD
€3,233 EUR
View
B+
Retailer 9
-
$5,607 AUD
$3,939 USD
View
Retailer 10
-
$6,170 AUD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$6,176 AUD
ZAR 70,096 ZAR
View
B+
Retailer 12
-
$6,291 AUD
£3,480 GBP
View
B+
Retailer 13
-
$7,833 AUD
$5,503 USD
View
B+
Retailer 14
-
$8,192 AUD
$5,755 USD
View
B
Retailer 15
-
$8,727 AUD
$6,131 USD
View
B+
Retailer 16
-
$8,728 AUD
£4,828 GBP
View
Retailer 17
-
$9,022 AUD
$6,338 USD
View
Price last confirmed 73 days ago
B
Retailer 18
-
$10,150 AUD
SGD 9,636 SGD
View
B
Retailer 19
-
$10,651 AUD
$7,483 USD
View
Retailer 20
-
$11,388 AUD
View
Price last confirmed 21 days ago
B
Retailer 21
-
$14,813 AUD
$10,407 USD
View
Most Expensive
B
Brilliant Earth
20666318A · Oct 29
$19,273 AUD
$13,540 USD
View
21 more retailers have this diamond
Prices start from $2,934 AUDSave up to $16,339 AUD

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
5.20ct Cushion
$2,934 AUD