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Cushion|Lab Grown|IGI

1.40ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG650489765

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG650489765

Diamond specifications and retailer prices

From $288 AUD
As of November 4, 2026
Save $1,202 AUD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,611 AUD at Reve Diamonds · As of October 11, 2026
View at Reve Diamonds

About this 1.4ct lab-grown cushion diamond

This 1.4ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG650489765 or 650489765. Listed at 12 retailers as of November 1, 2026, with a 417% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650489765
Dimensions7.79 × 5.99 × 4.07 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.79 mm5.99 mm1.40 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650489765
Side View
Table 64.0%Crown 29.1°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 67.9%

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: $421 AUD|Low: $278 AUD|High: $1,611 AUD|Avg: $881 AUD|+8.5%
Retailer 1
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
Reve Diamonds
November 4, 2026
Retailer 3$288 AUD
Retailer 4$308 AUD
Retailer 1$421 AUD
Retailer 10$549 AUD
Retailer 12$559 AUD
Retailer 8$592 AUD
Retailer 9$775 AUD
Retailer 14$788 AUD
Retailer 2$818 AUD
Retailer 6$1,048 AUD
Retailer 7$1,160 AUD
Retailer 13$1,197 AUD
Retailer 11$1,490 AUD
Retailer 5$1,498 AUD
Reve Diamonds$1,611 AUD

29 data points across 15 retailers

12 retailers$288 AUD to $1,490 AUD

A
Cheapest Retailer
-
$288 AUD
Final sale: no returns
A
Retailer 2
-
$421 AUD
View
A
Retailer 3
-
$549 AUD
View
A
Retailer 4
-
$559 AUD
View
B+
Retailer 5
-
$592 AUD
View
A
Retailer 6
-
$775 AUD
View
A
Retailer 7
-
$788 AUD
View
A
Retailer 8
-
$818 AUD
View
B+
Retailer 9
-
$1,160 AUD
View
B+
Retailer 10
-
$1,197 AUD
View
B+
Retailer 11
-
$1,490 AUD
View
Most Expensive
Reve Diamonds
D803458DD · Oct 11
$1,611 AUD
$1,130 USD
View
Price last confirmed 24 days ago
11 more retailers have this diamond
Prices start from $288 AUDSave up to $1,202 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
1.40ct Cushion
$288 AUD