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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 $435 SGD
$340 USD
As of November 1, 2026
Save $1,640 SGD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,340 SGD 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: $2,340 SGD|Low: $435 SGD|High: $2,347 SGD|Avg: $1,239 SGD|-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$435 SGD
Retailer 2$509 SGD
Retailer 8$745 SGD
Retailer 14$748 SGD
Retailer 3$807 SGD
Retailer 16$827 SGD
Retailer 11$853 SGD
Retailer 10$881 SGD
Retailer 13$1,153 SGD
Retailer 15$1,367 SGD
Retailer 6$1,649 SGD
Retailer 4$1,900 SGD
Retailer 17$1,930 SGD
Retailer 7$1,948 SGD
Retailer 12$1,982 SGD
Retailer 5$2,074 SGD
Rare Carat$2,340 SGD

44 data points across 17 retailers

16 retailers$435 SGD to $2,074 SGD

A
Cheapest Retailer
-
$435 SGD
$340 USD
Final sale: no returns
A
Retailer 2
-
$509 SGD
£314 GBP
View
A
Retailer 3
-
$748 SGD
$585 USD
View
A
Retailer 4
-
$807 SGD
$631 USD
View
A
Retailer 5
-
$827 SGD
$647 USD
View
A
Retailer 6
-
$853 SGD
ZAR 10,773 ZAR
View
A
Retailer 7
-
$881 SGD
£542 GBP
View
A
Retailer 8
-
$1,153 SGD
A$1,387 AUD
View
A
Retailer 9
-
$1,367 SGD
$1,069 USD
View
A
Retailer 10
-
$1,649 SGD
$1,289 USD
View
B+
Retailer 11
-
$1,900 SGD
$1,486 USD
View
B+
Retailer 12
-
$1,930 SGD
£1,188 GBP
View
Retailer 13
-
$1,948 SGD
A$2,343 AUD
View
Price last confirmed 28 days ago
B+
Retailer 14
-
$1,982 SGD
£1,220 GBP
View
B+
Retailer 15
-
$2,074 SGD
$1,622 USD
View
Most Expensive
Rare Carat
SKD-59063 · Oct 21
$2,340 SGD
$1,830 USD
View
Price last confirmed 12 days ago
15 more retailers have this diamond
Prices start from $435 SGDSave up to $1,640 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
1.56ct Cushion
$435 SGD