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Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG526273935

Shape and cutting style on the report: Round brilliant

Certificate IGI LG526273935

Diamond specifications and retailer prices

From $253 SGD
As of November 5, 2026
Save $1,561 SGD (86%) vs most expensive(unlock to see where)
14 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 LG526273935 or 526273935. Listed at 14 retailers as of November 5, 2026, with prices from $253 to $1,814, a $1,561 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526273935
Dimensions7.37 × 7.35 × 4.52 mm
L/W Ratio1.00
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
7.37 mm7.35 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526273935
Side View
Table 59.0%Crown 35.3°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.4%

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 5
Current: $1,814 SGD|Low: $253 SGD|High: $1,814 SGD|Avg: $701 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8$253 SGD
Retailer 11$284 SGD
Retailer 9$313 SGD
Retailer 10$422 SGD
Retailer 2$566 SGD
Retailer 5$574 SGD
Retailer 3$641 SGD
Retailer 4$932 SGD
Retailer 7$1,010 SGD
Retailer 6$1,464 SGD
Brilliant Earth$1,814 SGD

44 data points across 11 retailers

14 retailers$253 SGD to $1,814 SGD

A
Cheapest Retailer
-
$253 SGD
A
Retailer 2
-
$284 SGD
View
Final sale: no returns
A
Retailer 3
-
$294 SGD
View
A
Retailer 4
-
$313 SGD
View
Retailer 5
-
$313 SGD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$422 SGD
View
A
Retailer 7
-
$566 SGD
View
A
Retailer 8
-
$574 SGD
View
A
Retailer 9
-
$641 SGD
View
B
Retailer 10
-
$932 SGD
View
B+
Retailer 11
-
$1,008 SGD
View
B+
Retailer 12
-
$1,010 SGD
View
B
Retailer 13
-
$1,464 SGD
View
Most Expensive
B
Brilliant Earth
16211586A · Nov 5
$1,814 SGD
$1,420 USD
View
13 more retailers have this diamond
Prices start from $253 SGDSave up to $1,561 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
$253 SGD