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Cushion|Lab Grown|IGI

1.50ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG823636389

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

Certificate IGI LG823636389

Diamond specifications and retailer prices

From $331 SGD
$259 USD
As of October 30, 2026
Save $1,740 SGD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,222 SGD at Brilliant Earth · As of September 21, 2026
View at Brilliant Earth

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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG823636389 or 823636389. Listed at 19 retailers as of October 29, 2026, with a 525% 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
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823636389
Dimensions6.74 × 6.72 × 4.27 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
6.74 mm6.72 mm1.50 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823636389
Side View
Table 62.0%Crown 32.7°Girdle: MED-THKPavilion 39°Culet: NoneDepth 63.5%

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: Oct 30
Current: $2,071 SGD|Low: $331 SGD|High: $3,222 SGD|Avg: $1,216 SGD|-35.7%
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
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 7$331 SGD
Retailer 8$367 SGD
Retailer 14$390 SGD
Retailer 11$470 SGD
Retailer 16$611 SGD
Retailer 17$631 SGD
Retailer 15$693 SGD
Retailer 3$858 SGD
Retailer 10$909 SGD
Retailer 2$1,130 SGD
Retailer 9$1,248 SGD
Retailer 4$1,474 SGD
Retailer 12$1,496 SGD
Retailer 13$1,545 SGD
Retailer 6$1,656 SGD
Retailer 5$1,713 SGD
Brilliant Earth$2,071 SGD

39 data points across 17 retailers

19 retailers$331 SGD to $2,071 SGD

A
Cheapest Retailer
-
$331 SGD
$259 USD
Final sale: no returns
A
Retailer 2
-
$367 SGD
$287 USD
View
A
Retailer 3
-
$390 SGD
£240 GBP
View
B+
Retailer 4
-
$470 SGD
$368 USD
View
A
Retailer 5
-
$611 SGD
€455 EUR
View
A
Retailer 6
-
$631 SGD
ZAR 7,977 ZAR
View
A
Retailer 7
-
$693 SGD
£427 GBP
View
A
Retailer 8
-
$777 SGD
$608 USD
View
A
Retailer 9
-
$858 SGD
A$1,033 AUD
View
B+
Retailer 10
-
$909 SGD
$711 USD
View
B+
Retailer 11
-
$1,130 SGD
View
B+
Retailer 12
-
$1,248 SGD
$976 USD
View
B+
Retailer 13
-
$1,474 SGD
£908 GBP
View
B
Retailer 14
-
$1,496 SGD
$1,170 USD
View
B+
Retailer 15
-
$1,545 SGD
A$1,859 AUD
View
B
Retailer 16
-
$1,656 SGD
$1,295 USD
View
Retailer 17
-
$1,713 SGD
$1,340 USD
View
Price last confirmed 9 days ago
B
Retailer 18
-
$2,071 SGD
$1,620 USD
View
Most Expensive
Brilliant Earth
20779070A · Sep 21
$3,222 SGD
$2,520 USD
View
Price last confirmed 39 days ago
18 more retailers have this diamond
Prices start from $331 SGDSave up to $1,740 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
$331 SGD