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Cushion|Lab Grown|IGI

1.53ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG818655986

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG818655986

Diamond specifications and retailer prices

From $493 AUD
As of November 4, 2026
Save $1,204 AUD (71%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,936 AUD at Rare Carat · As of September 30, 2026
View at Rare Carat

About this 1.53ct lab-grown cushion diamond

This 1.53ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818655986 or 818655986. Listed at 14 retailers as of November 4, 2026, with a 244% 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

1.53
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818655986
Dimensions6.76 × 6.63 × 4.34 mm
L/W Ratio1.02
Girdle conditionFaceted
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
6.76 mm6.63 mm1.53 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818655986
Side View
Table 60.0%Crown 35.8°Girdle: MED-THKPavilion 38.1°Culet: NoneDepth 65.5%

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: $780 AUD|Low: $493 AUD|High: $1,958 AUD|Avg: $1,100 AUD|-6.2%
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 4$493 AUD
Retailer 9$589 AUD
Retailer 7$699 AUD
Retailer 6$720 AUD
Retailer 1$780 AUD
Retailer 12$901 AUD
Retailer 3$913 AUD
Retailer 11$1,349 AUD
Retailer 2$1,416 AUD
Retailer 8$1,634 AUD
Retailer 5$1,667 AUD
Retailer 10$1,697 AUD

44 data points across 12 retailers

14 retailers$493 AUD to $1,697 AUD

A
Cheapest Retailer
-
$493 AUD
B+
Retailer 2
-
$589 AUD
View
A
Retailer 3
-
$699 AUD
View
A
Retailer 4
-
$720 AUD
View
A
Retailer 5
-
$780 AUD
View
A
Retailer 6
-
$901 AUD
View
A
Retailer 7
-
$913 AUD
View
B+
Retailer 8
-
$1,349 AUD
View
B+
Retailer 9
-
$1,416 AUD
View
Retailer 10
-
$1,634 AUD
View
Price last confirmed 8 days ago
B
Retailer 11
-
$1,636 AUD
View
B+
Retailer 12
-
$1,667 AUD
View
B
Retailer 13
-
$1,697 AUD
View
Most Expensive
Rare Carat
8485-U · Sep 30
$1,936 AUD
$1,355 USD
View
Price last confirmed 36 days ago
13 more retailers have this diamond
Prices start from $493 AUDSave up to $1,204 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
1.53ct Cushion
$493 AUD