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Round|Lab Grown|IGI

1.50ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG499189131

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499189131

Diamond specifications and retailer prices

From $1,061 SGD
$830 USD
As of November 2, 2026
Save $4,791 SGD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,852 SGD at MOH London · As of November 3, 2026
View at MOH London

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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499189131 or 499189131. Listed at 10 retailers as of November 2, 2026, with prices from $1,061 to $5,852, a $4,791 spread on the same certified stone. MOH London lists it at $5,852. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499189131
Dimensions7.29 × 7.24 × 4.59 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
7.29 mm7.24 mm1.50 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499189131
Side View
Table 56.5%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $5,852 SGD|Low: $1,061 SGD|High: $5,930 SGD|Avg: $2,685 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 2$1,061 SGD
Retailer 5$1,570 SGD
Retailer 8$1,709 SGD
Retailer 10$1,757 SGD
Retailer 6$1,821 SGD
Retailer 3$1,972 SGD
Retailer 11$2,568 SGD
Retailer 7$2,886 SGD
Retailer 9$3,413 SGD
Retailer 12$3,489 SGD
Retailer 4$4,077 SGD
MOH London$5,852 SGD

16 data points across 12 retailers

10 retailers$1,061 SGD to $5,852 SGD

A
Cheapest Retailer
-
$1,061 SGD
$830 USD
B+
Retailer 2
-
$1,570 SGD
$1,228 USD
View
B+
Retailer 3
-
$1,709 SGD
$1,336 USD
View
B+
Retailer 4
-
$1,757 SGD
$1,374 USD
View
Final sale: no returns
Retailer 5
-
$1,821 SGD
$1,424 USD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
$1,821 SGD
$1,424 USD
View
B
Retailer 7
-
$2,886 SGD
$2,257 USD
View
B
Retailer 8
-
$3,413 SGD
$2,669 USD
View
B
Retailer 9
-
$3,489 SGD
$2,728 USD
View
Most Expensive
B
MOH London
LG499189131 · Nov 3
$5,852 SGD
£3,603 GBP
View
9 more retailers have this diamond
Prices start from $1,061 SGDSave up to $4,791 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
$1,061 SGD