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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 $8,515 NZD
$4,799 USD
As of November 1, 2026
Save $22,928 NZD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $31,442 NZD at Adiamor · As of November 2, 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 November 1, 2026, with prices from $8,515 to $31,442, a $22,928 spread on the same certified stone. Adiamor lists it at $31,442. 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

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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: Nov 1
Current: $11,327 NZD|Low: $8,444 NZD|High: $22,360 NZD|Avg: $12,693 NZD|-0.3%
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 2, 2026
Retailer 2$8,515 NZD
Retailer 3$8,756 NZD
Retailer 10$8,820 NZD
Retailer 12$8,898 NZD
Retailer 7$10,494 NZD
Retailer 1$11,327 NZD
Retailer 4$12,412 NZD
Retailer 11$13,650 NZD
Retailer 9$14,788 NZD
Retailer 8$16,483 NZD
Retailer 6$16,644 NZD
Retailer 5$18,261 NZD

43 data points across 12 retailers

14 retailers$8,515 NZD to $31,442 NZD

A
Cheapest Retailer
-
$8,515 NZD
$4,799 USD
Final sale: no returns
A
Retailer 2
-
$8,756 NZD
$4,935 USD
View
Retailer 3
-
$8,820 NZD
$4,971 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$8,898 NZD
$5,015 USD
View
B+
Retailer 5
-
$10,494 NZD
£4,657 GBP
View
B+
Retailer 6
-
$11,327 NZD
£5,027 GBP
View
B+
Retailer 7
-
$12,412 NZD
£5,508 GBP
View
B+
Retailer 8
-
$13,650 NZD
$7,693 USD
View
B+
Retailer 9
-
$14,788 NZD
ZAR 134,650 ZAR
View
B+
Retailer 10
-
$16,483 NZD
$9,290 USD
View
B
Retailer 11
-
$16,644 NZD
A$14,432 AUD
View
B+
Retailer 12
-
$18,261 NZD
£8,104 GBP
View
B
Retailer 13
-
$31,416 NZD
$17,706 USD
View
Most Expensive
B
Adiamor
D-80554870 · Nov 2
$31,442 NZD
$17,721 USD
View
13 more retailers have this diamond
Prices start from $8,515 NZDSave up to $22,928 NZD

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
$8,515 NZD