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Round|Lab Grown|IGI

1.56ct J SI2 Round Lab Grown Diamond

ID • J/SI2 • IGI LG499191763

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499191763

Diamond specifications and retailer prices

From €770 EUR
$860 USD
As of October 30, 2026
Save €3,085 EUR (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €3,855 EUR 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 LG499191763 or 499191763. Listed at 10 retailers as of October 29, 2026, with prices from €770 to €3,855, a €3,085 spread on the same certified stone. MOH London lists it at €3,855. 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 angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499191763
Dimensions7.57 × 7.52 × 4.48 mm
L/W Ratio1.01
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
7.57 mm7.52 mm1.56 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499191763
Side View
Table 59.0%Crown 32.9°Girdle: MediumPavilion 40.4°Culet: NoneDepth 59.4%

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: €3,855 EUR|Low: €770 EUR|High: €3,885 EUR|Avg: €1,662 EUR|-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€770 EUR
Retailer 6€975 EUR
Retailer 9€1,061 EUR
Retailer 11€1,092 EUR
Retailer 7€1,130 EUR
Retailer 12€1,130 EUR
Retailer 4€1,471 EUR
Retailer 3€1,625 EUR
Retailer 8€1,800 EUR
Retailer 10€2,120 EUR
Retailer 13€2,293 EUR
Retailer 5€2,529 EUR
MOH London€3,855 EUR

17 data points across 13 retailers

10 retailers€770 EUR to €3,855 EUR

A
Cheapest Retailer
-
€770 EUR
$860 USD
B+
Retailer 2
-
€975 EUR
$1,089 USD
View
B+
Retailer 3
-
€1,061 EUR
$1,185 USD
View
B+
Retailer 4
-
€1,092 EUR
$1,220 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,130 EUR
$1,263 USD
View
Retailer 6
-
€1,130 EUR
$1,263 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
€1,800 EUR
$2,011 USD
View
B
Retailer 8
-
€2,120 EUR
$2,368 USD
View
B
Retailer 9
-
€2,293 EUR
$2,562 USD
View
Most Expensive
B
MOH London
LG499191763 · Oct 29
€3,855 EUR
£3,391 GBP
View
9 more retailers have this diamond
Prices start from €770 EURSave up to €3,085 EUR

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
€770 EUR