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Cushion|Lab Grown|IGI

1.28ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG794629267

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG794629267

Diamond specifications and retailer prices

From $589 AUD
$414 USD
As of November 1, 2026
Save $2,520 AUD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,110 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG794629267 or 794629267. Listed at 19 retailers as of October 27, 2026, with prices from $589 to $3,110, a $2,520 spread on the same certified stone. Queensmith lists it at $3,110. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794629267
Dimensions6.95 × 6.15 × 3.73 mm
L/W Ratio1.13
Girdle conditionFaceted
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
6.95 mm6.15 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794629267
Side View
Table 62.0%Crown 36.7°Girdle: THK-VTKPavilion 41.2°Culet: NoneDepth 60.7%

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: $2,687 AUD|Low: $567 AUD|High: $2,719 AUD|Avg: $1,337 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
November 1, 2026
Retailer 11$589 AUD
Retailer 8$659 AUD
Retailer 2$732 AUD
Retailer 3$732 AUD
Retailer 5$835 AUD
Retailer 9$940 AUD
Retailer 12$982 AUD
Retailer 6$1,204 AUD
Retailer 7$1,783 AUD
Retailer 10$2,051 AUD
Retailer 4$2,326 AUD
Retailer 1$2,687 AUD

41 data points across 12 retailers

19 retailers$589 AUD to $3,110 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 8 days ago
A
Retailer 5
-
$732 AUD
$514 USD
View
A
Retailer 6
-
$835 AUD
£462 GBP
View
A
Retailer 7
-
$940 AUD
$660 USD
View
B+
Retailer 8
-
$982 AUD
$690 USD
View
B+
Retailer 9
-
$1,015 AUD
$713 USD
View
B+
Retailer 10
-
$1,204 AUD
£666 GBP
View
B
Retailer 11
-
$1,783 AUD
View
B
Retailer 12
-
$2,051 AUD
$1,441 USD
View
B
Retailer 13
-
$2,126 AUD
£1,176 GBP
View
B
Retailer 14
-
$2,326 AUD
SGD 2,208 SGD
View
B
Retailer 15
-
$2,352 AUD
$1,652 USD
View
B
Retailer 16
-
$2,401 AUD
$1,686 USD
View
B
Retailer 17
-
$2,673 AUD
$1,878 USD
View
B
Retailer 18
-
$2,687 AUD
£1,486 GBP
View
Most Expensive
B
Queensmith
LG794629267 · Oct 27
$3,110 AUD
£1,720 GBP
View
18 more retailers have this diamond
Prices start from $589 AUDSave up to $2,520 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