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1.51ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG12201310

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12201310

Diamond specifications and retailer prices

From $427 SGD
As of November 5, 2026
Save $1,853 SGD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,279 SGD at MOH London · As of November 3, 2026
View at MOH London

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG12201310 or 12201310. Listed at 18 retailers as of November 3, 2026, with prices from $427 to $2,279, a $1,853 spread on the same certified stone. MOH London lists it at $2,279. 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

1.51
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12201310
Dimensions7.17 × 7.20 × 4.65 mm
L/W Ratio1.00
Culet sizeNone
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
7.17 mm7.20 mm1.51 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12201310
Side View
Table 57.5%Crown 36.5°Girdle: STK-UNDPavilion 41.3°Culet: NoneDepth 64.7%

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: $2,279 SGD|Low: $427 SGD|High: $2,287 SGD|Avg: $1,127 SGD|-0.4%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 3$427 SGD
Retailer 4$456 SGD
Retailer 16$494 SGD
Retailer 7$529 SGD
Retailer 15$529 SGD
Retailer 14$539 SGD
Retailer 8$722 SGD
Retailer 12$839 SGD
Retailer 17$952 SGD
Retailer 11$999 SGD
Retailer 2$1,038 SGD
Retailer 10$1,070 SGD
Retailer 18$1,549 SGD
Retailer 9$1,667 SGD
Retailer 13$1,865 SGD
Retailer 6$1,875 SGD
Retailer 5$2,074 SGD
MOH London$2,279 SGD

21 data points across 18 retailers

18 retailers$427 SGD to $2,279 SGD

A
Cheapest Retailer
-
$427 SGD
A
Retailer 2
-
$456 SGD
View
A
Retailer 3
-
$494 SGD
View
Retailer 4
-
$529 SGD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$529 SGD
View
B+
Retailer 6
-
$539 SGD
View
B+
Retailer 7
-
$722 SGD
View
B+
Retailer 8
-
$839 SGD
View
B
Retailer 9
-
$952 SGD
View
B+
Retailer 10
-
$999 SGD
View
B
Retailer 11
-
$1,038 SGD
View
B
Retailer 12
-
$1,070 SGD
View
B
Retailer 13
-
$1,549 SGD
View
B
Retailer 14
-
$1,667 SGD
View
B
Retailer 15
-
$1,865 SGD
View
B
Retailer 16
-
$1,875 SGD
View
B
Retailer 17
-
$2,074 SGD
View
Most Expensive
B
MOH London
LG12201310 · Nov 3
$2,279 SGD
£1,405 GBP
View
17 more retailers have this diamond
Prices start from $427 SGDSave up to $1,853 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 Round
$427 SGD