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Heart|Lab Grown|IGI

1.50ct E SI1 Heart Lab Grown Diamond

EX • E/SI1 • IGI LG741510153

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG741510153

Diamond specifications and retailer prices

From $276 SGD
As of November 6, 2026
Save $1,096 SGD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,371 SGD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.5ct lab-grown heart diamond

This 1.5ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG741510153 or 741510153. Listed at 17 retailers as of November 6, 2026, with prices from $276 to $1,371, a $1,096 spread on the same certified stone. Brilliant Earth lists it at $1,371. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741510153
Dimensions7.32 × 7.76 × 4.64 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.32 mm7.76 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741510153
Side View
Table 55.0%Crown 33.6°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 59.8%

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 6
Current: $1,371 SGD|Low: $272 SGD|High: $1,587 SGD|Avg: $748 SGD|-6.1%
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
November 6, 2026
Retailer 12$276 SGD
Retailer 4$319 SGD
Retailer 5$341 SGD
Retailer 7$351 SGD
Retailer 8$354 SGD
Retailer 10$583 SGD
Retailer 16$586 SGD
Retailer 2$605 SGD
Retailer 9$625 SGD
Retailer 6$675 SGD
Retailer 15$920 SGD
Retailer 13$1,097 SGD
Retailer 3$1,118 SGD
Retailer 14$1,164 SGD
Retailer 11$1,364 SGD
Brilliant Earth$1,371 SGD

45 data points across 16 retailers

17 retailers$276 SGD to $1,371 SGD

A
Cheapest Retailer
-
$276 SGD
A
Retailer 2
-
$319 SGD
View
A
Retailer 3
-
$341 SGD
View
Retailer 4
-
$351 SGD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$354 SGD
View
Final sale: no returns
B+
Retailer 6
-
$583 SGD
View
B+
Retailer 7
-
$586 SGD
View
B+
Retailer 8
-
$605 SGD
View
B+
Retailer 9
-
$625 SGD
View
B+
Retailer 10
-
$675 SGD
View
B+
Retailer 11
-
$697 SGD
View
B+
Retailer 12
-
$920 SGD
View
B
Retailer 13
-
$1,097 SGD
View
B
Retailer 14
-
$1,118 SGD
View
B
Retailer 15
-
$1,164 SGD
View
B
Retailer 16
-
$1,364 SGD
View
Most Expensive
B
Brilliant Earth
16911377A · Nov 6
$1,371 SGD
$1,070 USD
View
16 more retailers have this diamond
Prices start from $276 SGDSave up to $1,096 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 Heart
$276 SGD