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Cushion|Lab Grown|IGI

1.50ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG794626393

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

Certificate IGI LG794626393

Diamond specifications and retailer prices

From $1,064 SGD
£655 GBP
As of November 1, 2026
Save $7,684 SGD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $12,128 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.5ct lab-grown cushion diamond

This 1.5ct 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 LG794626393 or 794626393. Listed at 18 retailers as of October 29, 2026, with a 722% 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

1.50
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.4°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794626393
Dimensions6.55 × 6.53 × 4.37 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.55 mm6.53 mm1.50 ctD / IF
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG794626393
Side View
Table 63.0%Crown 34.4°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 66.9%

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 1
Current: $12,128 SGD|Low: $1,064 SGD|High: $12,225 SGD|Avg: $7,047 SGD|-0.8%
MOH London
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 1, 2026
Retailer 11$1,064 SGD
Retailer 15$1,253 SGD
Retailer 2$1,349 SGD
Retailer 13$1,490 SGD
Retailer 5$1,503 SGD
Retailer 16$2,922 SGD
Retailer 3$3,035 SGD
Retailer 12$3,175 SGD
Retailer 4$3,248 SGD
Retailer 10$3,299 SGD
Retailer 14$3,912 SGD
Retailer 9$4,759 SGD
Retailer 8$5,184 SGD
Retailer 17$5,587 SGD
Retailer 6$5,753 SGD
Retailer 7$8,748 SGD
MOH London$12,128 SGD

29 data points across 17 retailers

18 retailers$1,064 SGD to $8,748 SGD

A
Cheapest Retailer
-
$1,064 SGD
£655 GBP
A
Retailer 2
-
$1,253 SGD
$980 USD
View
A
Retailer 3
-
$1,349 SGD
$1,055 USD
View
A
Retailer 4
-
$1,490 SGD
£918 GBP
View
A
Retailer 5
-
$1,503 SGD
€1,120 EUR
View
B+
Retailer 6
-
$2,922 SGD
£1,800 GBP
View
B+
Retailer 7
-
$3,035 SGD
$2,374 USD
View
B
Retailer 8
-
$3,175 SGD
View
B
Retailer 9
-
$3,248 SGD
$2,540 USD
View
Retailer 10
-
$3,299 SGD
$2,580 USD
View
Price under review
B
Retailer 11
-
$3,912 SGD
$3,060 USD
View
Retailer 12
-
$4,595 SGD
$3,594 USD
View
Price last confirmed 13 days ago
Final sale: no returns
Retailer 13
-
$4,759 SGD
$3,723 USD
View
Price last confirmed 19 days ago
Retailer 14
-
$5,184 SGD
$4,055 USD
View
Price last confirmed 13 days ago
B
Retailer 15
-
$5,587 SGD
$4,370 USD
View
B
Retailer 16
-
$5,753 SGD
$4,500 USD
View
B
Retailer 17
-
$8,748 SGD
ZAR 110,542 ZAR
View
Most Expensive
MOH London
LG794626393 · Oct 29
$12,128 SGD
£7,470 GBP
View
Price under review
17 more retailers have this diamond
Prices start from $1,064 SGDSave up to $7,684 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
1.50ct Cushion
$1,064 SGD