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Cushion|Lab Grown|IGI

1.51ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG782688901

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG782688901

Diamond specifications and retailer prices

From $535 SGD
As of November 4, 2026
Save $3,720 SGD (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,255 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 LG782688901 or 782688901. Listed at 17 retailers as of November 4, 2026, with prices from $535 to $4,255, a $3,720 spread on the same certified stone. Do Amore Diamonds lists it at $4,255. 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 angle34.6°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782688901
Dimensions7.87 × 6.03 × 4.03 mm
L/W Ratio1.31
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
7.87 mm6.03 mm1.51 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782688901
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 35.8°Culet: NoneDepth 66.8%

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: $4,255 SGD|Low: $535 SGD|High: $4,255 SGD|Avg: $1,935 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
Retailer 16
Retailer 17
November 5, 2026
Retailer 8$535 SGD
Retailer 14$786 SGD
Retailer 9$948 SGD
Retailer 5$1,012 SGD
Retailer 6$1,030 SGD
Retailer 2$1,061 SGD
Retailer 13$1,130 SGD
Retailer 11$1,528 SGD
Retailer 12$1,562 SGD
Retailer 4$1,908 SGD
Retailer 17$2,224 SGD
Retailer 7$2,303 SGD
Retailer 3$2,340 SGD
Retailer 10$2,401 SGD
Retailer 15$3,096 SGD
Retailer 16$3,176 SGD
Do Amore Diamonds$4,255 SGD

44 data points across 17 retailers

17 retailers$535 SGD to $4,255 SGD

A
Cheapest Retailer
-
$535 SGD
Final sale: no returns
A
Retailer 2
-
$786 SGD
View
A
Retailer 3
-
$948 SGD
View
A
Retailer 4
-
$1,012 SGD
View
A
Retailer 5
-
$1,030 SGD
View
A
Retailer 6
-
$1,061 SGD
View
A
Retailer 7
-
$1,130 SGD
View
A
Retailer 8
-
$1,528 SGD
View
A
Retailer 9
-
$1,562 SGD
View
B+
Retailer 10
-
$1,908 SGD
View
B+
Retailer 11
-
$2,224 SGD
View
B+
Retailer 12
-
$2,303 SGD
View
B+
Retailer 13
-
$2,340 SGD
View
B+
Retailer 14
-
$2,401 SGD
View
B+
Retailer 15
-
$3,096 SGD
View
Retailer 16
-
$3,176 SGD
View
Price last confirmed 17 days ago
Most Expensive
B
Do Amore Diamonds
27-0084420B7 · Nov 4
$4,255 SGD
$3,330 USD
View
16 more retailers have this diamond
Prices start from $535 SGDSave up to $3,720 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
$535 SGD