CaratHunter
Plans
Cushion|Lab Grown|IGI

1.28ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG723540900

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG723540900

Diamond specifications and retailer prices

From $372 CAD
$266 USD
As of October 30, 2026
Save $2,101 CAD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,473 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG723540900 or 723540900. Listed at 16 retailers as of October 29, 2026, with prices from $372 to $2,473, a $2,101 spread on the same certified stone. Brilliant Earth lists it at $2,473. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG723540900
Dimensions5.80 × 5.80 × 3.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
5.80 mm5.80 mm1.28 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG723540900
Side View
Table 63.0%Crown 31.5°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 68.8%

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: Oct 30
Current: $2,473 CAD|Low: $372 CAD|High: $2,556 CAD|Avg: $958 CAD|-3.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 5$372 CAD
Retailer 3$412 CAD
Retailer 2$507 CAD
Retailer 13$556 CAD
Retailer 9$709 CAD
Retailer 4$750 CAD
Retailer 8$751 CAD
Retailer 7$781 CAD
Retailer 6$872 CAD
Retailer 10$1,006 CAD
Retailer 12$1,055 CAD
Retailer 14$1,327 CAD
Retailer 11$1,662 CAD
Brilliant Earth$2,473 CAD

41 data points across 14 retailers

16 retailers$372 CAD to $2,473 CAD

A
Cheapest Retailer
-
$372 CAD
$266 USD
Final sale: no returns
A
Retailer 2
-
$412 CAD
$295 USD
View
A
Retailer 3
-
$507 CAD
£286 GBP
View
A
Retailer 4
-
$556 CAD
$398 USD
View
A
Retailer 5
-
$709 CAD
ZAR 8,197 ZAR
View
A
Retailer 6
-
$750 CAD
$537 USD
View
A
Retailer 7
-
$751 CAD
€512 EUR
View
A
Retailer 8
-
$781 CAD
£440 GBP
View
A
Retailer 9
-
$872 CAD
$624 USD
View
B+
Retailer 10
-
$1,006 CAD
A$1,108 AUD
View
B+
Retailer 11
-
$1,055 CAD
$755 USD
View
Retailer 12
-
$1,327 CAD
$950 USD
View
Price last confirmed 25 days ago
B+
Retailer 13
-
$1,399 CAD
$1,001 USD
View
B
Retailer 14
-
$1,662 CAD
£937 GBP
View
B
Retailer 15
-
$1,837 CAD
$1,315 USD
View
Most Expensive
B
Brilliant Earth
21313249A · Oct 29
$2,473 CAD
$1,770 USD
View
15 more retailers have this diamond
Prices start from $372 CADSave up to $2,101 CAD

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
$372 CAD