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Cushion|Lab Grown|IGI

1.56ct F IF Cushion Lab Grown Diamond

ID • F/IF • IGI LG629494063

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG629494063

Diamond specifications and retailer prices

From $485 AUD
$340 USD
As of November 1, 2026
Save $1,829 AUD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,611 AUD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.56ct lab-grown cushion diamond

This 1.56ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG629494063 or 629494063. Listed at 16 retailers as of November 1, 2026, with a 377% 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

1.56
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629494063
Dimensions6.53 × 6.53 × 4.48 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
6.53 mm6.53 mm1.56 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629494063
Side View
Table 67.0%Crown 34.7°Girdle: MED-VTKPavilion 39.8°Culet: NoneDepth 68.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,611 AUD|Low: $485 AUD|High: $2,618 AUD|Avg: $1,383 AUD|-0.3%
Rare Carat
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
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 9$485 AUD
Retailer 2$568 AUD
Retailer 8$832 AUD
Retailer 14$835 AUD
Retailer 3$900 AUD
Retailer 16$923 AUD
Retailer 11$952 AUD
Retailer 10$983 AUD
Retailer 13$1,286 AUD
Retailer 15$1,525 AUD
Retailer 6$1,840 AUD
Retailer 4$2,120 AUD
Retailer 17$2,153 AUD
Retailer 7$2,173 AUD
Retailer 12$2,211 AUD
Retailer 5$2,314 AUD
Rare Carat$2,611 AUD

44 data points across 17 retailers

16 retailers$485 AUD to $2,314 AUD

A
Cheapest Retailer
-
$485 AUD
$340 USD
Final sale: no returns
A
Retailer 2
-
$568 AUD
£314 GBP
View
A
Retailer 3
-
$835 AUD
$585 USD
View
A
Retailer 4
-
$900 AUD
$631 USD
View
A
Retailer 5
-
$923 AUD
$647 USD
View
A
Retailer 6
-
$952 AUD
ZAR 10,773 ZAR
View
A
Retailer 7
-
$983 AUD
£542 GBP
View
A
Retailer 8
-
$1,286 AUD
View
A
Retailer 9
-
$1,525 AUD
$1,069 USD
View
A
Retailer 10
-
$1,840 AUD
$1,289 USD
View
B+
Retailer 11
-
$2,120 AUD
$1,486 USD
View
B+
Retailer 12
-
$2,153 AUD
£1,188 GBP
View
Retailer 13
-
$2,173 AUD
View
Price last confirmed 28 days ago
B+
Retailer 14
-
$2,211 AUD
£1,220 GBP
View
B+
Retailer 15
-
$2,314 AUD
$1,622 USD
View
Most Expensive
Rare Carat
SKD-59063 · Oct 21
$2,611 AUD
$1,830 USD
View
Price last confirmed 12 days ago
15 more retailers have this diamond
Prices start from $485 AUDSave up to $1,829 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
1.56ct Cushion
$485 AUD