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Round|Lab Grown|IGI

1.50ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG494172372

Shape and cutting style on the report: Round brilliant

Certificate IGI LG494172372

Diamond specifications and retailer prices

From $1,060 SGD
As of November 5, 2026
Save $5,419 SGD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,479 SGD at MOH London · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG494172372 or 494172372. Listed at 12 retailers as of November 5, 2026, with prices from $1,060 to $6,479, a $5,419 spread on the same certified stone. MOH London lists it at $6,479. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494172372
Dimensions7.31 × 7.36 × 4.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.31 mm7.36 mm1.50 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494172372
Side View
Table 59.5%Crown 35.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
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: $6,479 SGD|Low: $1,060 SGD|High: $6,584 SGD|Avg: $2,846 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 6$1,060 SGD
Retailer 7$1,744 SGD
Retailer 10$1,897 SGD
Retailer 12$1,950 SGD
Retailer 8$2,022 SGD
Retailer 13$2,022 SGD
Retailer 3$2,242 SGD
Retailer 4$2,768 SGD
Retailer 9$3,196 SGD
Retailer 2$3,636 SGD
Retailer 5$3,769 SGD
Retailer 11$3,790 SGD
MOH London$6,479 SGD

40 data points across 13 retailers

12 retailers$1,060 SGD to $6,479 SGD

A
Cheapest Retailer
-
$1,060 SGD
B+
Retailer 2
-
$1,744 SGD
View
B+
Retailer 3
-
$1,897 SGD
View
B+
Retailer 4
-
$1,950 SGD
View
Final sale: no returns
Retailer 5
-
$2,022 SGD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$2,022 SGD
View
B+
Retailer 7
-
$2,242 SGD
View
B
Retailer 8
-
$3,196 SGD
View
B
Retailer 9
-
$3,636 SGD
View
B
Retailer 10
-
$3,769 SGD
View
B
Retailer 11
-
$3,790 SGD
View
Most Expensive
B
MOH London
LG494172372 · Nov 5
$6,479 SGD
£3,994 GBP
View
11 more retailers have this diamond
Prices start from $1,060 SGDSave up to $5,419 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
$1,060 SGD