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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 $6,135 SGD
$4,799 USD
As of November 1, 2026
Save $16,519 SGD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $22,655 SGD 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 $6,135 to $22,655, a $16,519 spread on the same certified stone. Adiamor lists it at $22,655. 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: $8,161 SGD|Low: $6,084 SGD|High: $16,110 SGD|Avg: $9,145 SGD|-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$6,135 SGD
Retailer 3$6,309 SGD
Retailer 10$6,355 SGD
Retailer 12$6,411 SGD
Retailer 7$7,561 SGD
Retailer 1$8,161 SGD
Retailer 4$8,943 SGD
Retailer 11$9,835 SGD
Retailer 9$10,655 SGD
Retailer 8$11,876 SGD
Retailer 6$11,992 SGD
Retailer 5$13,157 SGD

43 data points across 12 retailers

14 retailers$6,135 SGD to $22,655 SGD

A
Cheapest Retailer
-
$6,135 SGD
$4,799 USD
Final sale: no returns
A
Retailer 2
-
$6,309 SGD
$4,935 USD
View
Retailer 3
-
$6,355 SGD
$4,971 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$6,411 SGD
$5,015 USD
View
B+
Retailer 5
-
$7,561 SGD
£4,657 GBP
View
B+
Retailer 6
-
$8,161 SGD
£5,027 GBP
View
B+
Retailer 7
-
$8,943 SGD
£5,508 GBP
View
B+
Retailer 8
-
$9,835 SGD
$7,693 USD
View
B+
Retailer 9
-
$10,655 SGD
ZAR 134,650 ZAR
View
B+
Retailer 10
-
$11,876 SGD
$9,290 USD
View
B
Retailer 11
-
$11,992 SGD
A$14,432 AUD
View
B+
Retailer 12
-
$13,157 SGD
£8,104 GBP
View
B
Retailer 13
-
$22,635 SGD
$17,706 USD
View
Most Expensive
B
Adiamor
D-80554870 · Nov 2
$22,655 SGD
$17,721 USD
View
13 more retailers have this diamond
Prices start from $6,135 SGDSave up to $16,519 SGD

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
$6,135 SGD