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Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG776623440

Shape and cutting style on the report: Round brilliant

Certificate IGI LG776623440

Diamond specifications and retailer prices

From $262 SGD
As of November 1, 2026
Save $1,552 SGD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,814 SGD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round 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 LG776623440 or 776623440. Listed at 17 retailers as of November 1, 2026, with prices from $262 to $1,814, a $1,552 spread on the same certified stone. Brilliant Earth lists it at $1,814. 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 angle36°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776623440
Dimensions7.28 × 7.24 × 4.53 mm
L/W Ratio1.01
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
7.28 mm7.24 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776623440
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,814 SGD|Low: $250 SGD|High: $1,814 SGD|Avg: $746 SGD
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
November 6, 2026
Retailer 13$262 SGD
Retailer 3$324 SGD
Retailer 14$324 SGD
Retailer 2$396 SGD
Retailer 8$524 SGD
Retailer 6$536 SGD
Retailer 11$595 SGD
Retailer 5$650 SGD
Retailer 12$662 SGD
Retailer 10$939 SGD
Retailer 7$995 SGD
Retailer 4$1,042 SGD
Retailer 9$1,367 SGD
Brilliant Earth$1,814 SGD

45 data points across 14 retailers

17 retailers$262 SGD to $1,814 SGD

Retailer 1
-
$262 SGD
Price last confirmed 44 days ago
A
Retailer 2
-
$262 SGD
View
Retailer 3
-
$303 SGD
View
Price last confirmed 45 days ago
Retailer 4
-
$321 SGD
View
Price last confirmed 42 days ago
A
Retailer 5
-
$324 SGD
View
Retailer 6
-
$324 SGD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$396 SGD
View
A
Retailer 8
-
$524 SGD
View
A
Retailer 9
-
$536 SGD
View
B+
Retailer 10
-
$595 SGD
View
B+
Retailer 11
-
$650 SGD
View
B+
Retailer 12
-
$662 SGD
View
B+
Retailer 13
-
$939 SGD
View
B+
Retailer 14
-
$995 SGD
View
B
Retailer 15
-
$1,042 SGD
View
B
Retailer 16
-
$1,367 SGD
View
Most Expensive
B
Brilliant Earth
21117473A · Nov 5
$1,814 SGD
$1,420 USD
View
16 more retailers have this diamond
Prices start from $262 SGDSave up to $1,552 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 Round
$262 SGD