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 $552 AUD
$388 USD
As of October 25, 2026
Save $2,051 AUD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,603 AUD 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 $552 to $2,603, a $2,051 spread on the same certified stone. Queensmith lists it at $2,603. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $2,603 AUD|Low: $552 AUD|High: $2,603 AUD|Avg: $1,381 AUD
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
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Retailer 17
Retailer 18
October 30, 2026
Retailer 4$552 AUD
Retailer 15$619 AUD
Retailer 8$680 AUD
Retailer 18$683 AUD
Retailer 3$743 AUD
Retailer 11$892 AUD
Retailer 6$894 AUD
Retailer 14$950 AUD
Retailer 2$985 AUD
Retailer 12$1,349 AUD
Retailer 17$1,359 AUD
Retailer 5$1,476 AUD
Retailer 10$1,843 AUD
Retailer 7$1,946 AUD
Retailer 13$2,078 AUD
Retailer 9$2,214 AUD
Retailer 16$2,229 AUD
Queensmith$2,603 AUD

41 data points across 18 retailers

18 retailers$552 AUD to $2,603 AUD

A
Cheapest Retailer
-
$552 AUD
$388 USD
A
Retailer 2
-
$619 AUD
HK$3,400 HKD
View
B+
Retailer 3
-
$680 AUD
$478 USD
View
A
Retailer 4
-
$683 AUD
$480 USD
View
B+
Retailer 5
-
$743 AUD
$522 USD
View
B+
Retailer 6
-
$892 AUD
€597 EUR
View
B+
Retailer 7
-
$894 AUD
$628 USD
View
B+
Retailer 8
-
$950 AUD
ZAR 10,784 ZAR
View
B+
Retailer 9
-
$985 AUD
£545 GBP
View
B
Retailer 10
-
$1,349 AUD
View
B
Retailer 11
-
$1,359 AUD
$955 USD
View
B
Retailer 12
-
$1,476 AUD
SGD 1,401 SGD
View
B
Retailer 13
-
$1,843 AUD
$1,295 USD
View
B
Retailer 14
-
$1,986 AUD
$1,395 USD
View
B
Retailer 15
-
$2,078 AUD
$1,460 USD
View
B
Retailer 16
-
$2,214 AUD
$1,555 USD
View
Retailer 17
-
$2,229 AUD
£1,233 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
Queensmith
LG818644817 · Oct 27
$2,603 AUD
£1,440 GBP
View
17 more retailers have this diamond
Prices start from $552 AUDSave up to $2,051 AUD

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
$552 AUD