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Cushion|Lab Grown|IGI

1.05ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG786634301

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG786634301

Diamond specifications and retailer prices

From $345 USD
As of November 1, 2026
Save $1,535 USD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,880 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.05ct lab-grown cushion diamond

This 1.05ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG786634301 or 786634301. Listed at 18 retailers as of October 27, 2026, with prices from $345 to $1,880, a $1,535 spread on the same certified stone. Queensmith lists it at $1,880. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786634301
Dimensions6.60 × 5.84 × 3.73 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
6.60 mm5.84 mm1.05 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786634301
Side View
Table 53.0%Crown 35.1°Girdle: MED-STKPavilion 42°Culet: LargeDepth 63.9%

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: Nov 1
Current: $768 USD|Low: $331 USD|High: $1,692 USD|Avg: $851 USD|+3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 12$345 USD
Retailer 11$386 USD
Retailer 5$400 USD
Retailer 3$428 USD
Retailer 14$428 USD
Retailer 13$575 USD
Retailer 9$580 USD
Retailer 1$768 USD
Retailer 8$1,039 USD
Retailer 4$1,139 USD
Retailer 10$1,255 USD
Retailer 2$1,375 USD
Retailer 6$1,661 USD
Retailer 7$1,671 USD

44 data points across 14 retailers

18 retailers$345 USD to $1,880 USD

A
Cheapest Retailer
-
$345 USD
A
Retailer 2
-
$386 USD
View
Final sale: no returns
A
Retailer 3
-
$400 USD
View
Retailer 4
-
$428 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$428 USD
View
B+
Retailer 6
-
$508 USD
View
B+
Retailer 7
-
$575 USD
View
B+
Retailer 8
-
$580 USD
View
B+
Retailer 9
-
$768 USD
£605 GBP
View
B
Retailer 10
-
$1,039 USD
A$1,598 AUD
View
B
Retailer 11
-
$1,139 USD
SGD 1,539 SGD
View
B
Retailer 12
-
$1,255 USD
View
B
Retailer 13
-
$1,375 USD
View
B
Retailer 14
-
$1,418 USD
View
B
Retailer 15
-
$1,656 USD
View
B
Retailer 16
-
$1,661 USD
£1,308 GBP
View
B
Retailer 17
-
$1,671 USD
£1,316 GBP
View
Most Expensive
B
Queensmith
LG786634301 · Oct 27
$1,880 USD
£1,480 GBP
View
17 more retailers have this diamond
Prices start from $345 USDSave up to $1,535 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
1.05ct Cushion
$345 USD