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Cushion|Lab Grown|IGI

8.21ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG792639655

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG792639655

Diamond specifications and retailer prices

From $6,832 AUD
$4,799 USD
As of November 1, 2026
Save $18,396 AUD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $25,228 AUD at Adiamor · As of October 31, 2026
View at Adiamor

About this 8.21ct lab-grown cushion diamond

This 8.21ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG792639655 or 792639655. Listed at 14 retailers as of October 31, 2026, with prices from $6,832 to $25,228, a $18,396 spread on the same certified stone. Adiamor lists it at $25,228. 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

8.21
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle32.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792639655
Dimensions11.23 × 11.18 × 7.19 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.23 mm11.18 mm8.21 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792639655
Side View
Table 64.0%Crown 39.6°Girdle: STK-THKPavilion 32.2°Culet: NoneDepth 64.3%

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: Nov 1
Current: $14,652 AUD|Low: $6,775 AUD|High: $17,940 AUD|Avg: $10,190 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 2$6,832 AUD
Retailer 3$7,025 AUD
Retailer 10$7,077 AUD
Retailer 12$7,139 AUD
Retailer 6$8,420 AUD
Retailer 7$9,164 AUD
Retailer 4$9,958 AUD
Retailer 11$10,952 AUD
Retailer 9$11,865 AUD
Retailer 8$13,225 AUD
Retailer 5$13,355 AUD
Retailer 1$14,652 AUD

42 data points across 12 retailers

14 retailers$6,832 AUD to $25,228 AUD

A
Cheapest Retailer
-
$6,832 AUD
$4,799 USD
Final sale: no returns
A
Retailer 2
-
$7,025 AUD
$4,935 USD
View
Retailer 3
-
$7,077 AUD
$4,971 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$7,139 AUD
$5,015 USD
View
B+
Retailer 5
-
$8,420 AUD
£4,657 GBP
View
B+
Retailer 6
-
$9,164 AUD
£5,069 GBP
View
B+
Retailer 7
-
$9,958 AUD
£5,508 GBP
View
B+
Retailer 8
-
$10,952 AUD
$7,693 USD
View
B+
Retailer 9
-
$11,865 AUD
ZAR 134,650 ZAR
View
B+
Retailer 10
-
$13,225 AUD
$9,290 USD
View
B
Retailer 11
-
$13,355 AUD
View
B+
Retailer 12
-
$14,652 AUD
£8,104 GBP
View
B
Retailer 13
-
$25,206 AUD
$17,706 USD
View
Most Expensive
B
Adiamor
D-80554870 · Oct 31
$25,228 AUD
$17,721 USD
View
13 more retailers have this diamond
Prices start from $6,832 AUDSave up to $18,396 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
8.21ct Cushion
$6,832 AUD