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Cushion|Lab Grown|IGI

1.64ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG794629111

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG794629111

Diamond specifications and retailer prices

From $449 USD
As of October 29, 2026
Save $2,383 USD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,832 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.64ct lab-grown cushion diamond

This 1.64ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG794629111 or 794629111. Listed at 19 retailers as of October 27, 2026, with prices from $449 to $2,832, a $2,383 spread on the same certified stone. Queensmith lists it at $2,832. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
D
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794629111
Dimensions7.80 × 6.89 × 4.12 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.80 mm6.89 mm1.64 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794629111
Side View
Table 53.0%Crown 32.5°Girdle: MED-STKPavilion 40.2°Culet: LargeDepth 59.8%

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 29
Current: $921 USD|Low: $449 USD|High: $2,741 USD|Avg: $1,269 USD|-6.2%
Retailer 1
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Retailer 18
October 30, 2026
Retailer 16$449 USD
Retailer 3$503 USD
Retailer 8$503 USD
Retailer 7$557 USD
Retailer 10$649 USD
Retailer 13$700 USD
Retailer 2$735 USD
Retailer 17$748 USD
Retailer 1$921 USD
Retailer 11$1,296 USD
Retailer 14$1,496 USD
Retailer 5$1,615 USD
Retailer 9$1,768 USD
Retailer 15$1,789 USD
Retailer 6$1,821 USD
Retailer 18$1,988 USD
Retailer 12$2,056 USD
Retailer 4$2,083 USD

44 data points across 18 retailers

19 retailers$449 USD to $2,832 USD

A
Cheapest Retailer
-
$449 USD
A
Retailer 2
-
$503 USD
View
Final sale: no returns
A
Retailer 3
-
$503 USD
View
A
Retailer 4
-
$557 USD
View
Retailer 5
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$649 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$700 USD
View
A
Retailer 7
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$735 USD
View
A
Retailer 8
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$748 USD
View
B+
Retailer 9
-
$921 USD
£725 GBP
View
B
Retailer 10
-
$1,296 USD
A$1,994 AUD
View
B
Retailer 11
-
$1,496 USD
View
B
Retailer 12
-
$1,615 USD
£1,272 GBP
View
B
Retailer 13
-
$1,768 USD
SGD 2,389 SGD
View
B
Retailer 14
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$1,789 USD
View
B
Retailer 15
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$1,821 USD
View
B
Retailer 16
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$1,988 USD
View
B
Retailer 17
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$2,056 USD
£1,619 GBP
View
B
Retailer 18
-
$2,083 USD
View
Most Expensive
B
Queensmith
LG794629111 · Oct 27
$2,832 USD
£2,230 GBP
View
18 more retailers have this diamond
Prices start from $449 USDSave up to $2,383 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
1.64ct Cushion
$449 USD