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Cushion|Lab Grown|IGI

1.28ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG809690097

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG809690097

Diamond specifications and retailer prices

From $321 AUD
As of November 4, 2026
Save $1,390 AUD (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,710 AUD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG809690097 or 809690097. Listed at 17 retailers as of November 4, 2026, with prices from $321 to $1,710, a $1,390 spread on the same certified stone. Reve Diamonds lists it at $1,710. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809690097
Dimensions7.81 × 5.77 × 3.87 mm
L/W Ratio1.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.81 mm5.77 mm1.28 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809690097
Side View
Table 60.0%Crown 33.4°Girdle: THN-MEDPavilion 38.2°Culet: NoneDepth 67.1%

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 4
Current: $649 AUD|Low: $321 AUD|High: $1,688 AUD|Avg: $861 AUD|+3.6%
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 4, 2026
Retailer 3$321 AUD
Retailer 11$356 AUD
Retailer 4$506 AUD
Retailer 7$582 AUD
Retailer 6$616 AUD
Retailer 1$649 AUD
Retailer 5$870 AUD
Retailer 12$1,041 AUD
Retailer 8$1,055 AUD
Retailer 9$1,120 AUD
Retailer 2$1,390 AUD
Retailer 10$1,671 AUD

43 data points across 12 retailers

17 retailers$321 AUD to $1,710 AUD

A
Cheapest Retailer
-
$321 AUD
Final sale: no returns
Retailer 2
-
$356 AUD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$401 AUD
View
B+
Retailer 4
-
$506 AUD
View
A
Retailer 5
-
$582 AUD
View
A
Retailer 6
-
$616 AUD
View
A
Retailer 7
-
$649 AUD
View
A
Retailer 8
-
$728 AUD
View
B+
Retailer 9
-
$870 AUD
View
Retailer 10
-
$1,041 AUD
View
Price last confirmed 21 days ago
B+
Retailer 11
-
$1,055 AUD
View
B+
Retailer 12
-
$1,120 AUD
View
B+
Retailer 13
-
$1,160 AUD
View
B
Retailer 14
-
$1,223 AUD
View
B
Retailer 15
-
$1,390 AUD
View
Retailer 16
-
$1,671 AUD
View
Price last confirmed 9 days ago
Most Expensive
B
Reve Diamonds
43D5373A9 · Nov 4
$1,710 AUD
$1,200 USD
View
16 more retailers have this diamond
Prices start from $321 AUDSave up to $1,390 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
$321 AUD