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Round|Lab Grown|IGI

1.50ct K SI1 Round Lab Grown Diamond

VG • K/SI1 • IGI LG407950682

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407950682

Diamond specifications and retailer prices

From $1,193 SGD
As of November 5, 2026
Save $3,500 SGD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,693 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG407950682 or 407950682. Listed at 9 retailers as of November 3, 2026, with prices from $1,193 to $4,693, a $3,500 spread on the same certified stone. MOH London lists it at $4,693. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407950682
Dimensions7.43 × 7.50 × 4.33 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.43 mm7.50 mm1.50 ctK / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG407950682
Side View
Table 62.0%Crown 31.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 58.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $4,693 SGD|Low: $1,146 SGD|High: $4,756 SGD|Avg: $2,493 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 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
Retailer 9$3,961 SGD
MOH London$4,693 SGD

18 data points across 9 retailers

9 retailers$1,193 SGD to $4,693 SGD

B+
Cheapest Retailer
-
$1,193 SGD
B+
Retailer 2
-
$1,298 SGD
View
B+
Retailer 3
-
$1,383 SGD
View
Retailer 4
-
$1,383 SGD
View
Price last confirmed 25 days ago
B+
Retailer 5
-
$1,609 SGD
View
B
Retailer 6
-
$2,216 SGD
View
B
Retailer 7
-
$3,078 SGD
View
C
Retailer 8
-
$3,891 SGD
View
Most Expensive
C
MOH London
LG407950682 · Nov 3
$4,693 SGD
£2,893 GBP
View
8 more retailers have this diamond
Prices start from $1,193 SGDSave up to $3,500 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.

B+
1.50ct Round
$1,193 SGD