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Round|Lab Grown|IGI

1.50ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG447099890

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447099890

Diamond specifications and retailer prices

From $1,193 SGD
As of November 5, 2026
Save $3,487 SGD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,680 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447099890 or 447099890. Listed at 9 retailers as of November 5, 2026, with prices from $1,193 to $4,680, a $3,487 spread on the same certified stone. MOH London lists it at $4,680. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447099890
Dimensions7.50 × 7.53 × 4.40 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.50 mm7.53 mm1.50 ctK / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447099890
Side View
Table 57.0%Crown 31.5°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 58.6%

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: $4,680 SGD|Low: $1,146 SGD|High: $4,756 SGD|Avg: $2,356 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 4$1,193 SGD
Retailer 5$1,383 SGD
Retailer 7$1,383 SGD
Retailer 2$1,609 SGD
Retailer 8$2,039 SGD
Retailer 6$2,216 SGD
Retailer 3$3,078 SGD
MOH London$4,680 SGD

20 data points across 8 retailers

9 retailers$1,193 SGD to $4,680 SGD

A
Cheapest Retailer
-
$1,193 SGD
A
Retailer 2
-
$1,298 SGD
View
Retailer 3
-
$1,383 SGD
View
Price last confirmed 25 days ago
B+
Retailer 4
-
$1,383 SGD
View
B+
Retailer 5
-
$1,609 SGD
View
B
Retailer 6
-
$2,216 SGD
View
B
Retailer 7
-
$3,078 SGD
View
B
Retailer 8
-
$3,891 SGD
View
Most Expensive
B
MOH London
LG447099890 · Nov 5
$4,680 SGD
£2,885 GBP
View
8 more retailers have this diamond
Prices start from $1,193 SGDSave up to $3,487 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
$1,193 SGD