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 $288 SGD
As of November 4, 2026
Save $1,246 SGD (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,533 SGD 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 $288 to $1,533, a $1,246 spread on the same certified stone. Reve Diamonds lists it at $1,533. 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

How it works →
A
Excellent
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 4
Current: $581 SGD|Low: $288 SGD|High: $1,513 SGD|Avg: $771 SGD|+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 5, 2026
Retailer 3$288 SGD
Retailer 11$319 SGD
Retailer 4$454 SGD
Retailer 7$521 SGD
Retailer 6$552 SGD
Retailer 1$581 SGD
Retailer 5$780 SGD
Retailer 12$933 SGD
Retailer 8$946 SGD
Retailer 9$1,004 SGD
Retailer 2$1,246 SGD
Retailer 10$1,498 SGD

44 data points across 12 retailers

17 retailers$288 SGD to $1,533 SGD

A
Cheapest Retailer
-
$288 SGD
Final sale: no returns
Retailer 2
-
$319 SGD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$359 SGD
View
B+
Retailer 4
-
$454 SGD
View
A
Retailer 5
-
$521 SGD
View
A
Retailer 6
-
$552 SGD
View
A
Retailer 7
-
$581 SGD
View
A
Retailer 8
-
$653 SGD
View
B+
Retailer 9
-
$780 SGD
View
Retailer 10
-
$933 SGD
View
Price last confirmed 22 days ago
B+
Retailer 11
-
$946 SGD
View
Retailer 12
-
$1,004 SGD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$1,040 SGD
View
B
Retailer 14
-
$1,096 SGD
View
B
Retailer 15
-
$1,246 SGD
View
Retailer 16
-
$1,498 SGD
View
Price last confirmed 10 days ago
Most Expensive
B
Reve Diamonds
43D5373A9 · Nov 4
$1,533 SGD
$1,200 USD
View
16 more retailers have this diamond
Prices start from $288 SGDSave up to $1,246 SGD

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
$288 SGD