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Cushion|Lab Grown|IGI

1.05ct E VVS2 Cushion Lab Grown Diamond

ID • E/VVS2 • IGI LG818645046

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG818645046

Diamond specifications and retailer prices

From $313 USD
As of October 27, 2026
Save $1,478 USD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,791 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 E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818645046 or 818645046. Listed at 16 retailers as of October 27, 2026, with prices from $313 to $1,791, a $1,478 spread on the same certified stone. Queensmith lists it at $1,791. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818645046
Dimensions6.49 × 5.89 × 3.88 mm
L/W Ratio1.10
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
6.49 mm5.89 mm1.05 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818645046
Side View
Table 52.0%Crown 33.2°Girdle: MED-THKPavilion 42.3°Culet: LargeDepth 65.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,791 USD|Low: $301 USD|High: $1,791 USD|Avg: $895 USD
Queensmith
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
Retailer 15
Retailer 16
October 29, 2026
Retailer 13$313 USD
Retailer 5$363 USD
Retailer 3$388 USD
Retailer 15$389 USD
Retailer 6$417 USD
Retailer 14$522 USD
Retailer 12$545 USD
Retailer 10$688 USD
Retailer 9$948 USD
Retailer 4$1,037 USD
Retailer 11$1,139 USD
Retailer 16$1,249 USD
Retailer 7$1,295 USD
Retailer 8$1,555 USD
Retailer 2$1,566 USD
Queensmith$1,791 USD

43 data points across 16 retailers

16 retailers$313 USD to $1,791 USD

A
Cheapest Retailer
-
$313 USD
A
Retailer 2
-
$363 USD
View
A
Retailer 3
-
$388 USD
View
A
Retailer 4
-
$389 USD
View
A
Retailer 5
-
$417 USD
View
B+
Retailer 6
-
$522 USD
View
B+
Retailer 7
-
$545 USD
View
B+
Retailer 8
-
$688 USD
£542 GBP
View
B
Retailer 9
-
$948 USD
A$1,458 AUD
View
B
Retailer 10
-
$1,037 USD
SGD 1,401 SGD
View
B
Retailer 11
-
$1,139 USD
View
B
Retailer 12
-
$1,249 USD
View
B
Retailer 13
-
$1,295 USD
View
B
Retailer 14
-
$1,555 USD
View
B
Retailer 15
-
$1,566 USD
£1,233 GBP
View
Most Expensive
B
Queensmith
LG818645046 · Oct 27
$1,791 USD
£1,410 GBP
View
15 more retailers have this diamond
Prices start from $313 USDSave up to $1,478 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
$313 USD