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Oval|Lab Grown|IGI

1.50ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG451057259

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451057259

Diamond specifications and retailer prices

From $1,064 SGD
As of November 6, 2026
Save $5,126 SGD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,190 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.5ct lab-grown oval diamond

This 1.5ct lab-grown oval 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 LG451057259 or 451057259. Listed at 11 retailers as of November 1, 2026, with prices from $1,064 to $6,190, a $5,126 spread on the same certified stone. MOH London lists it at $6,190. 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 angle35.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057259
Dimensions8.88 × 6.51 × 4.01 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.88 mm6.51 mm1.50 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057259
Side View
Table 59.5%Crown 35.3°Girdle: MED-THKPavilion 41.1°Culet: NoneDepth 61.6%

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 6
Current: $6,190 SGD|Low: $1,064 SGD|High: $6,273 SGD|Avg: $3,064 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2$1,064 SGD
Retailer 3$1,661 SGD
Retailer 6$1,858 SGD
Retailer 4$1,926 SGD
Retailer 7$2,147 SGD
Retailer 9$2,655 SGD
Retailer 5$3,049 SGD
Retailer 8$3,591 SGD
Retailer 10$5,516 SGD
MOH London$6,190 SGD

14 data points across 10 retailers

11 retailers$1,064 SGD to $6,190 SGD

A
Cheapest Retailer
-
$1,064 SGD
A
Retailer 2
-
$1,661 SGD
View
B+
Retailer 3
-
$1,807 SGD
View
B+
Retailer 4
-
$1,858 SGD
View
Final sale: no returns
Retailer 5
-
$1,926 SGD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$1,926 SGD
View
B+
Retailer 7
-
$2,147 SGD
View
B
Retailer 8
-
$3,049 SGD
View
B
Retailer 9
-
$3,591 SGD
View
B
Retailer 10
-
$3,610 SGD
View
Most Expensive
B
MOH London
LG451057259 · Nov 1
$6,190 SGD
£3,803 GBP
View
10 more retailers have this diamond
Prices start from $1,064 SGDSave up to $5,126 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 Oval
$1,064 SGD