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Cushion|Lab Grown|IGI

8.29ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG800643344

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG800643344

Diamond specifications and retailer prices

From $4,978 USD
As of October 30, 2026
Save $13,076 USD (72%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $18,054 USD at Adiamor · As of October 31, 2026
View at Adiamor

About this 8.29ct lab-grown cushion diamond

This 8.29ct 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 LG800643344 or 800643344. Listed at 6 retailers as of October 30, 2026, with prices from $4,978 to $18,054, a $13,076 spread on the same certified stone. Adiamor lists it at $18,054. 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

8.29
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.9°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800643344
Dimensions13.92 × 9.54 × 5.97 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizeLarge
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
13.92 mm9.54 mm8.29 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800643344
Side View
Table 65.0%Crown 50.9°Girdle: MED-STKPavilion 40°Culet: LargeDepth 62.6%

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 30
Current: $18,054 USD|Low: $4,277 USD|High: $18,054 USD|Avg: $10,847 USD|+1.1%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 5$4,978 USD
Retailer 2$6,500 USD
Retailer 4$7,764 USD
Retailer 3$10,443 USD
Retailer 6$17,879 USD
Adiamor$18,054 USD

38 data points across 6 retailers

6 retailers$4,978 USD to $18,054 USD

A
Cheapest Retailer
-
$4,978 USD
B+
Retailer 2
-
$6,500 USD
£5,118 GBP
View
B+
Retailer 3
-
$7,764 USD
View
B+
Retailer 4
-
$10,443 USD
£8,223 GBP
View
B
Retailer 5
-
$17,879 USD
View
Most Expensive
B
Adiamor
D-81077783 · Oct 31
$18,054 USD
View
5 more retailers have this diamond
Prices start from $4,978 USDSave up to $13,076 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
8.29ct Cushion
$4,978 USD