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Cushion|Lab Grown|IGI

1.28ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG794629181

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG794629181

Diamond specifications and retailer prices

From $589 AUD
$414 USD
As of November 1, 2026
Save $2,448 AUD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,037 AUD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.28ct lab-grown cushion diamond

This 1.28ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG794629181 or 794629181. Listed at 18 retailers as of October 27, 2026, with prices from $589 to $3,037, a $2,448 spread on the same certified stone. Queensmith lists it at $3,037. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794629181
Dimensions7.20 × 6.36 × 3.62 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
7.20 mm6.36 mm1.28 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794629181
Side View
Table 59.0%Crown 32.5°Girdle: STK-THKPavilion 40.6°Culet: LargeDepth 56.9%

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: Nov 1
Current: $2,687 AUD|Low: $567 AUD|High: $2,719 AUD|Avg: $1,390 AUD
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 1, 2026
Retailer 12$589 AUD
Retailer 9$659 AUD
Retailer 5$661 AUD
Retailer 3$732 AUD
Retailer 14$732 AUD
Retailer 10$940 AUD
Retailer 13$982 AUD
Retailer 7$1,204 AUD
Retailer 8$1,783 AUD
Retailer 11$2,051 AUD
Retailer 6$2,126 AUD
Retailer 4$2,326 AUD
Retailer 2$2,352 AUD
Retailer 1$2,687 AUD

44 data points across 14 retailers

18 retailers$589 AUD to $3,037 AUD

A
Cheapest Retailer
-
$589 AUD
$414 USD
A
Retailer 2
-
$659 AUD
$463 USD
View
Final sale: no returns
A
Retailer 3
-
$661 AUD
$464 USD
View
Retailer 4
-
$732 AUD
$514 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$732 AUD
$514 USD
View
B+
Retailer 6
-
$940 AUD
$660 USD
View
B+
Retailer 7
-
$977 AUD
$686 USD
View
B+
Retailer 8
-
$982 AUD
$690 USD
View
B+
Retailer 9
-
$1,204 AUD
£666 GBP
View
B
Retailer 10
-
$1,783 AUD
View
B
Retailer 11
-
$2,051 AUD
$1,441 USD
View
B
Retailer 12
-
$2,126 AUD
£1,176 GBP
View
B
Retailer 13
-
$2,326 AUD
SGD 2,208 SGD
View
B
Retailer 14
-
$2,352 AUD
$1,652 USD
View
B
Retailer 15
-
$2,401 AUD
$1,686 USD
View
B
Retailer 16
-
$2,673 AUD
$1,878 USD
View
B
Retailer 17
-
$2,687 AUD
£1,486 GBP
View
Most Expensive
B
Queensmith
LG794629181 · Oct 27
$3,037 AUD
£1,680 GBP
View
17 more retailers have this diamond
Prices start from $589 AUDSave up to $2,448 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
1.28ct Cushion
$589 AUD