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Cushion|Lab Grown|IGI

1.05ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG818644817

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG818644817

Diamond specifications and retailer prices

From $388 USD
As of October 25, 2026
Save $1,441 USD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,829 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818644817 or 818644817. Listed at 18 retailers as of October 25, 2026, with prices from $388 to $1,829, a $1,441 spread on the same certified stone. Queensmith lists it at $1,829. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.3°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644817
Dimensions7.80 × 5.11 × 2.80 mm
L/W Ratio1.53
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 mm5.11 mm1.05 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644817
Side View
Table 55.0%Crown 31.3°Girdle: MED-STKPavilion 32.7°Culet: LargeDepth 54.8%

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 25
Current: $1,829 USD|Low: $388 USD|High: $1,829 USD|Avg: $971 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
Retailer 17
Retailer 18
October 29, 2026
Retailer 4$388 USD
Retailer 15$435 USD
Retailer 8$478 USD
Retailer 18$480 USD
Retailer 3$522 USD
Retailer 11$627 USD
Retailer 6$628 USD
Retailer 14$668 USD
Retailer 2$690 USD
Retailer 12$948 USD
Retailer 17$955 USD
Retailer 5$1,037 USD
Retailer 10$1,295 USD
Retailer 7$1,367 USD
Retailer 13$1,460 USD
Retailer 9$1,555 USD
Retailer 16$1,566 USD
Queensmith$1,829 USD

40 data points across 18 retailers

18 retailers$388 USD to $1,829 USD

A
Cheapest Retailer
-
$388 USD
A
Retailer 2
-
$435 USD
HK$3,400 HKD
View
B+
Retailer 3
-
$478 USD
View
A
Retailer 4
-
$480 USD
View
B+
Retailer 5
-
$522 USD
View
B+
Retailer 6
-
$627 USD
€597 EUR
View
B+
Retailer 7
-
$628 USD
View
B+
Retailer 8
-
$668 USD
ZAR 10,784 ZAR
View
B+
Retailer 9
-
$690 USD
£543 GBP
View
B
Retailer 10
-
$948 USD
A$1,458 AUD
View
B
Retailer 11
-
$955 USD
View
B
Retailer 12
-
$1,037 USD
SGD 1,401 SGD
View
B
Retailer 13
-
$1,295 USD
View
B
Retailer 14
-
$1,395 USD
View
B
Retailer 15
-
$1,460 USD
View
B
Retailer 16
-
$1,555 USD
View
B
Retailer 17
-
$1,566 USD
£1,233 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Queensmith
LG818644817 · Oct 27
$1,829 USD
£1,440 GBP
View
17 more retailers have this diamond
Prices start from $388 USDSave up to $1,441 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
$388 USD