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1.56ct J SI2 Round Lab Grown Diamond

ID • J/SI2 • IGI LG499191770

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499191770

Diamond specifications and retailer prices

From $1,099 SGD
$860 USD
As of October 30, 2026
Save $4,406 SGD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,506 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.56ct lab-grown round diamond

This 1.56ct 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 LG499191770 or 499191770. Listed at 10 retailers as of October 29, 2026, with prices from $1,099 to $5,506, a $4,406 spread on the same certified stone. MOH London lists it at $5,506. 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

1.56
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499191770
Dimensions7.52 × 7.49 × 4.54 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.52 mm7.49 mm1.56 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499191770
Side View
Table 55.0%Crown 32.9°Girdle: THN-MEDPavilion 40.2°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: $5,506 SGD|Low: $1,099 SGD|High: $5,549 SGD|Avg: $2,739 SGD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2$1,099 SGD
Retailer 4$1,560 SGD
Retailer 7$2,100 SGD
Retailer 6$2,322 SGD
Retailer 3$2,571 SGD
Retailer 5$3,275 SGD
Retailer 8$3,611 SGD
MOH London$5,506 SGD

12 data points across 8 retailers

10 retailers$1,099 SGD to $5,506 SGD

A
Cheapest Retailer
-
$1,099 SGD
$860 USD
B+
Retailer 2
-
$1,392 SGD
$1,089 USD
View
B+
Retailer 3
-
$1,515 SGD
$1,185 USD
View
B+
Retailer 4
-
$1,560 SGD
$1,220 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,615 SGD
$1,263 USD
View
Retailer 6
-
$1,615 SGD
$1,263 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$2,571 SGD
$2,011 USD
View
B
Retailer 8
-
$3,027 SGD
$2,368 USD
View
B
Retailer 9
-
$3,275 SGD
$2,562 USD
View
Most Expensive
B
MOH London
LG499191770 · Oct 29
$5,506 SGD
£3,391 GBP
View
9 more retailers have this diamond
Prices start from $1,099 SGDSave up to $4,406 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
1.56ct Round
$1,099 SGD