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1.51ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG447001714

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447001714

Diamond specifications and retailer prices

From $1,074 SGD
$840 USD
As of October 30, 2026
Save $4,260 SGD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,333 SGD at MOH London · As of October 29, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447001714 or 447001714. Listed at 11 retailers as of October 29, 2026, with prices from $1,074 to $5,333, a $4,260 spread on the same certified stone. MOH London lists it at $5,333. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.3°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001714
Dimensions7.37 × 7.32 × 4.45 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.37 mm7.32 mm1.51 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG447001714
Side View
Table 57.0%Crown 32.3°Girdle: Slightly ThickPavilion 40°Culet: NoneDepth 60.5%

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: Oct 30
Current: $5,333 SGD|Low: $1,074 SGD|High: $5,377 SGD|Avg: $2,331 SGD|+0.5%
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
October 30, 2026
Retailer 2$1,074 SGD
Retailer 7$1,349 SGD
Retailer 10$1,468 SGD
Retailer 12$1,509 SGD
Retailer 8$1,565 SGD
Retailer 13$1,565 SGD
Retailer 6$1,820 SGD
Retailer 4$2,258 SGD
Retailer 9$2,494 SGD
Retailer 11$2,933 SGD
Retailer 3$3,269 SGD
Retailer 5$3,499 SGD
MOH London$5,333 SGD

36 data points across 13 retailers

11 retailers$1,074 SGD to $5,333 SGD

A
Cheapest Retailer
-
$1,074 SGD
$840 USD
B+
Retailer 2
-
$1,349 SGD
$1,055 USD
View
B+
Retailer 3
-
$1,468 SGD
$1,148 USD
View
B+
Retailer 4
-
$1,509 SGD
$1,180 USD
View
Final sale: no returns
Retailer 5
-
$1,565 SGD
$1,224 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$1,565 SGD
$1,224 USD
View
B+
Retailer 7
-
$1,820 SGD
£1,121 GBP
View
B
Retailer 8
-
$2,494 SGD
$1,951 USD
View
B
Retailer 9
-
$2,933 SGD
$2,294 USD
View
B
Retailer 10
-
$3,269 SGD
$2,557 USD
View
Most Expensive
B
MOH London
LG447001714 · Oct 29
$5,333 SGD
£3,285 GBP
View
10 more retailers have this diamond
Prices start from $1,074 SGDSave up to $4,260 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
$1,074 SGD