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Oval|Lab Grown|IGI

1.51ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG447000657

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447000657

Diamond specifications and retailer prices

From $1,077 SGD
As of November 6, 2026
Save $5,136 SGD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,213 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.51ct lab-grown oval diamond

This 1.51ct 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 LG447000657 or 447000657. Listed at 11 retailers as of November 5, 2026, with prices from $1,077 to $6,213, a $5,136 spread on the same certified stone. MOH London lists it at $6,213. 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

1.51
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000657
Dimensions8.96 × 6.59 × 4.15 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.96 mm6.59 mm1.51 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447000657
Side View
Table 60.0%Crown 35°Girdle: STK-THKPavilion 42.1°Culet: NoneDepth 63.0%

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 6
Current: $6,213 SGD|Low: $1,077 SGD|High: $6,314 SGD|Avg: $2,948 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
November 5, 2026
Retailer 2$1,077 SGD
Retailer 5$1,671 SGD
Retailer 9$1,819 SGD
Retailer 10$1,871 SGD
Retailer 6$1,939 SGD
Retailer 11$2,159 SGD
Retailer 3$2,671 SGD
Retailer 7$3,067 SGD
Retailer 12$3,614 SGD
Retailer 8$3,635 SGD
Retailer 4$5,551 SGD
MOH London$6,213 SGD

15 data points across 12 retailers

11 retailers$1,077 SGD to $6,213 SGD

A
Cheapest Retailer
-
$1,077 SGD
B+
Retailer 2
-
$1,671 SGD
View
B+
Retailer 3
-
$1,819 SGD
View
B+
Retailer 4
-
$1,871 SGD
View
Final sale: no returns
Retailer 5
-
$1,939 SGD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$1,939 SGD
View
B+
Retailer 7
-
$2,159 SGD
View
B
Retailer 8
-
$3,067 SGD
View
B
Retailer 9
-
$3,614 SGD
View
B
Retailer 10
-
$3,635 SGD
View
Most Expensive
B
MOH London
LG447000657 · Nov 5
$6,213 SGD
£3,817 GBP
View
10 more retailers have this diamond
Prices start from $1,077 SGDSave up to $5,136 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
1.51ct Oval
$1,077 SGD