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Cushion|Lab Grown|IGI

1.55ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG800677588

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

Certificate IGI LG800677588

Diamond specifications and retailer prices

From $972 SGD
$760 USD
As of November 2, 2026
Save $4,847 SGD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,819 SGD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800677588 or 800677588. Listed at 10 retailers as of November 1, 2026, with prices from $972 to $5,819, a $4,847 spread on the same certified stone. Do Amore Diamonds lists it at $5,819. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677588
Dimensions6.91 × 6.71 × 4.43 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
6.91 mm6.71 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677588
Side View
Table 62.0%Crown 34.8°Girdle: STK-THKPavilion 38°Culet: NoneDepth 66.0%

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 2
Current: $5,819 SGD|Low: $972 SGD|High: $7,699 SGD|Avg: $2,950 SGD|-24.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9$972 SGD
Retailer 7$982 SGD
Retailer 11$1,018 SGD
Retailer 10$1,150 SGD
Retailer 6$1,261 SGD
Retailer 4$1,438 SGD
Retailer 8$3,472 SGD
Retailer 2$3,895 SGD
Retailer 3$4,498 SGD
Retailer 5$4,502 SGD
Do Amore Diamonds$5,819 SGD

27 data points across 11 retailers

10 retailers$972 SGD to $5,819 SGD

A
Cheapest Retailer
-
$972 SGD
$760 USD
A
Retailer 2
-
$982 SGD
$768 USD
View
A
Retailer 3
-
$1,018 SGD
$796 USD
View
Final sale: no returns
A
Retailer 4
-
$1,150 SGD
$899 USD
View
A
Retailer 5
-
$1,261 SGD
$986 USD
View
A
Retailer 6
-
$1,438 SGD
€1,071 EUR
View
Retailer 7
-
$3,472 SGD
$2,715 USD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
$3,895 SGD
£2,398 GBP
View
B
Retailer 9
-
$4,502 SGD
$3,520 USD
View
Most Expensive
B
Do Amore Diamonds
27-2D5802C62 · Nov 1
$5,819 SGD
$4,550 USD
View
9 more retailers have this diamond
Prices start from $972 SGDSave up to $4,847 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
$972 SGD