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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 $4,799 USD
As of October 31, 2026
Save $12,922 USD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $17,721 USD 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 $4,799 to $17,721, a $12,922 spread on the same certified stone. Adiamor lists it at $17,721. 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
Color
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

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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 31
Current: $10,292 USD|Low: $4,759 USD|High: $12,602 USD|Avg: $7,157 USD
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$4,799 USD
Retailer 3$4,935 USD
Retailer 10$4,971 USD
Retailer 12$5,015 USD
Retailer 6$5,915 USD
Retailer 7$6,438 USD
Retailer 4$6,995 USD
Retailer 11$7,693 USD
Retailer 9$8,335 USD
Retailer 8$9,290 USD
Retailer 5$9,381 USD
Retailer 1$10,292 USD

43 data points across 12 retailers

14 retailers$4,799 USD to $17,721 USD

A
Cheapest Retailer
-
$4,799 USD
Final sale: no returns
A
Retailer 2
-
$4,935 USD
View
Retailer 3
-
$4,971 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$5,015 USD
View
B+
Retailer 5
-
$5,915 USD
£4,657 GBP
View
B+
Retailer 6
-
$6,438 USD
£5,069 GBP
View
B+
Retailer 7
-
$6,995 USD
£5,508 GBP
View
B+
Retailer 8
-
$7,693 USD
View
B+
Retailer 9
-
$8,335 USD
ZAR 134,650 ZAR
View
B+
Retailer 10
-
$9,290 USD
View
B
Retailer 11
-
$9,381 USD
A$14,432 AUD
View
B+
Retailer 12
-
$10,292 USD
£8,104 GBP
View
B
Retailer 13
-
$17,706 USD
View
Most Expensive
B
Adiamor
D-80554870 · Oct 31
$17,721 USD
View
13 more retailers have this diamond
Prices start from $4,799 USDSave up to $12,922 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
8.21ct Cushion
$4,799 USD