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Cushion|Lab Grown|IGI

1.55ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG675561655

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

Certificate IGI LG675561655

Diamond specifications and retailer prices

From $607 SGD
As of November 3, 2026
Save $1,807 SGD (75%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,414 SGD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.55ct lab-grown cushion diamond

This 1.55ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG675561655 or 675561655. Listed at 16 retailers as of November 3, 2026, with prices from $607 to $2,414, a $1,807 spread on the same certified stone. Brilliant Earth lists it at $2,414. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675561655
Dimensions6.80 × 6.61 × 4.32 mm
L/W Ratio1.03
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
6.80 mm6.61 mm1.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675561655
Side View
Table 63.0%Crown 35°Girdle: MED-THKPavilion 38.2°Culet: NoneDepth 65.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: $2,414 SGD|Low: $396 SGD|High: $2,542 SGD|Avg: $1,011 SGD|-5.0%
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
November 2, 2026
Retailer 12$396 SGD
Retailer 3$465 SGD
Retailer 10$607 SGD
Retailer 5$663 SGD
Retailer 9$663 SGD
Retailer 8$683 SGD
Retailer 6$736 SGD
Retailer 7$754 SGD
Retailer 11$923 SGD
Retailer 2$1,040 SGD
Retailer 14$1,335 SGD
Retailer 4$1,560 SGD
Retailer 13$1,597 SGD
Brilliant Earth$2,414 SGD

41 data points across 14 retailers

16 retailers$607 SGD to $2,414 SGD

Retailer 1
-
$396 SGD
Price last confirmed 11 days ago
A
Retailer 2
-
$607 SGD
View
A
Retailer 3
-
$663 SGD
View
A
Retailer 4
-
$663 SGD
View
A
Retailer 5
-
$683 SGD
View
A
Retailer 6
-
$696 SGD
View
A
Retailer 7
-
$736 SGD
View
A
Retailer 8
-
$754 SGD
View
Retailer 9
-
$923 SGD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$1,040 SGD
View
B+
Retailer 11
-
$1,222 SGD
View
Retailer 12
-
$1,335 SGD
View
Price last confirmed 17 days ago
B+
Retailer 13
-
$1,340 SGD
View
B
Retailer 14
-
$1,560 SGD
View
Retailer 15
-
$1,597 SGD
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
14978783A · Nov 3
$2,414 SGD
$1,890 USD
View
15 more retailers have this diamond
Prices start from $607 SGDSave up to $1,807 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
1.55ct Cushion
$607 SGD