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 $218 USD
As of October 30, 2026
Save $1,154 USD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,372 USD at Michael Trio · As of October 31, 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 October 30, 2026, with prices from $218 to $1,372, a $1,154 spread on the same certified stone. Michael Trio lists it at $1,372. 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
Color
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: Oct 30
Current: $1,372 USD|Low: $218 USD|High: $1,425 USD|Avg: $634 USD|-3.7%
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
October 31, 2026
Retailer 12$218 USD
Retailer 13$278 USD
Retailer 11$328 USD
Retailer 6$397 USD
Retailer 3$424 USD
Retailer 9$442 USD
Retailer 10$566 USD
Retailer 4$603 USD
Retailer 7$636 USD
Retailer 2$817 USD
Retailer 8$832 USD
Retailer 5$1,161 USD
Michael Trio$1,372 USD

14 data points across 13 retailers

14 retailers$218 USD to $1,372 USD

A+
Cheapest Retailer
-
$218 USD
Final sale: no returns
A
Retailer 2
-
$278 USD
£219 GBP
View
B+
Retailer 3
-
$328 USD
View
A
Retailer 4
-
$397 USD
€378 EUR
View
A
Retailer 5
-
$424 USD
ZAR 6,847 ZAR
View
A
Retailer 6
-
$442 USD
£348 GBP
View
A
Retailer 7
-
$566 USD
View
A
Retailer 8
-
$603 USD
A$928 AUD
View
A
Retailer 9
-
$636 USD
View
B+
Retailer 10
-
$817 USD
View
B+
Retailer 11
-
$832 USD
View
B
Retailer 12
-
$1,025 USD
View
B
Retailer 13
-
$1,161 USD
£914 GBP
View
Most Expensive
B
Michael Trio
1277406412 · Oct 31
$1,372 USD
SGD 1,854 SGD
View
13 more retailers have this diamond
Prices start from $218 USDSave up to $1,154 USD

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
$218 USD