Cushion|Lab Grown|IGI

1.28ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG843635817

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG843635817

Diamond specifications and retailer prices

From $312 AUD
$219 USD
As of November 1, 2026
Save $1,641 AUD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,953 AUD at Michael Trio · As of November 1, 2026
View at Michael Trio

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 LG843635817 or 843635817. Listed at 14 retailers as of November 1, 2026, with prices from $312 to $1,953, a $1,641 spread on the same certified stone. Michael Trio lists it at $1,953. 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 angle39°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843635817
Dimensions7.67 × 5.48 × 3.73 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.67 mm5.48 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843635817
Side View
Table 62.0%Crown 39°Girdle: MED-STKPavilion 33.8°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 1
Current: $1,953 AUD|Low: $310 AUD|High: $2,019 AUD|Avg: $907 AUD|-3.3%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 8$312 AUD
Retailer 6$393 AUD
Retailer 5$467 AUD
Retailer 13$565 AUD
Retailer 9$595 AUD
Retailer 7$629 AUD
Retailer 11$804 AUD
Retailer 2$840 AUD
Retailer 3$905 AUD
Retailer 12$1,163 AUD
Retailer 4$1,184 AUD
Retailer 10$1,611 AUD
Michael Trio$1,953 AUD

15 data points across 13 retailers

14 retailers$312 AUD to $1,953 AUD

A+
Cheapest Retailer
-
$312 AUD
$219 USD
Final sale: no returns
A
Retailer 2
-
$393 AUD
£217 GBP
View
B+
Retailer 3
-
$467 AUD
$328 USD
View
A
Retailer 4
-
$565 AUD
€378 EUR
View
A
Retailer 5
-
$595 AUD
ZAR 6,750 ZAR
View
A
Retailer 6
-
$629 AUD
£348 GBP
View
A
Retailer 7
-
$804 AUD
$565 USD
View
A
Retailer 8
-
$840 AUD
View
A
Retailer 9
-
$905 AUD
$636 USD
View
B+
Retailer 10
-
$1,163 AUD
$817 USD
View
B+
Retailer 11
-
$1,184 AUD
$832 USD
View
B
Retailer 12
-
$1,459 AUD
$1,025 USD
View
B
Retailer 13
-
$1,611 AUD
£891 GBP
View
Most Expensive
B
Michael Trio
1277406412 · Nov 1
$1,953 AUD
SGD 1,854 SGD
View
13 more retailers have this diamond
Prices start from $312 AUDSave up to $1,641 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
$312 AUD