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Cushion|Lab Grown|IGI

1.51ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG751506379

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

Certificate IGI LG751506379

Diamond specifications and retailer prices

From $473 SGD
As of November 4, 2026
Save $3,284 SGD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,757 SGD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG751506379 or 751506379. Listed at 20 retailers as of November 4, 2026, with prices from $473 to $3,757, a $3,284 spread on the same certified stone. Do Amore Diamonds lists it at $3,757. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG751506379
Dimensions6.85 × 6.69 × 4.34 mm
L/W Ratio1.02
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
6.85 mm6.69 mm1.51 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG751506379
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 64.9%

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 4
Current: $3,757 SGD|Low: $473 SGD|High: $5,035 SGD|Avg: $2,022 SGD
Do Amore Diamonds
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
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Retailer 17
Retailer 18
November 5, 2026
Retailer 8$473 SGD
Retailer 12$722 SGD
Retailer 17$736 SGD
Retailer 15$754 SGD
Retailer 4$852 SGD
Retailer 13$998 SGD
Retailer 3$1,017 SGD
Retailer 2$1,035 SGD
Retailer 11$1,349 SGD
Retailer 6$1,981 SGD
Retailer 5$2,052 SGD
Retailer 10$2,061 SGD
Retailer 9$2,110 SGD
Retailer 7$2,258 SGD
Retailer 14$2,262 SGD
Retailer 18$3,195 SGD
Retailer 16$3,616 SGD
Do Amore Diamonds$3,757 SGD

43 data points across 18 retailers

20 retailers$473 SGD to $3,757 SGD

A
Cheapest Retailer
-
$473 SGD
Final sale: no returns
A
Retailer 2
-
$722 SGD
View
A
Retailer 3
-
$736 SGD
View
A
Retailer 4
-
$754 SGD
View
A
Retailer 5
-
$852 SGD
View
A
Retailer 6
-
$998 SGD
View
A
Retailer 7
-
$1,017 SGD
View
A
Retailer 8
-
$1,035 SGD
View
A
Retailer 9
-
$1,349 SGD
View
B+
Retailer 10
-
$1,963 SGD
View
Retailer 11
-
$1,981 SGD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$2,052 SGD
View
B+
Retailer 13
-
$2,061 SGD
View
B+
Retailer 14
-
$2,110 SGD
View
B+
Retailer 15
-
$2,258 SGD
View
B+
Retailer 16
-
$2,262 SGD
View
Retailer 17
-
$3,195 SGD
View
Price last confirmed 17 days ago
B
Retailer 18
-
$3,616 SGD
View
Retailer 19
-
$3,634 SGD
View
Price last confirmed 9 days ago
Most Expensive
B
Do Amore Diamonds
27-3ED74AAD0 · Nov 4
$3,757 SGD
$2,940 USD
View
19 more retailers have this diamond
Prices start from $473 SGDSave up to $3,284 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
1.51ct Cushion
$473 SGD