Radiant|Lab Grown|IGI

1.50ct I SI2 Radiant Lab Grown Diamond

ID • I/SI2 • IGI LG499191895

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG499191895

Diamond specifications and retailer prices

From €752 EUR
$840 USD
As of October 31, 2026
Save €2,966 EUR (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €3,718 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.5ct lab-grown radiant diamond

This 1.5ct lab-grown radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499191895 or 499191895. Listed at 9 retailers as of October 31, 2026, with prices from €752 to €3,718, a €2,966 spread on the same certified stone. MOH London lists it at €3,718. 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

1.50
Carat
I
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499191895
Dimensions7.64 × 5.56 × 4.03 mm
L/W Ratio1.37
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
7.64 mm5.56 mm1.50 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499191895
Side View
Table 62.0%Crown 40.3°Girdle: Slightly ThickPavilion 32.8°Culet: NoneDepth 72.5%

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: Oct 31
Current: €3,718 EUR|Low: €752 EUR|High: €3,768 EUR|Avg: €1,810 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2€752 EUR
Retailer 3€998 EUR
Retailer 7€1,086 EUR
Retailer 4€1,157 EUR
Retailer 9€1,656 EUR
Retailer 5€1,841 EUR
Retailer 6€2,170 EUR
Retailer 8€2,348 EUR
MOH London€3,718 EUR

17 data points across 9 retailers

9 retailers€752 EUR to €3,718 EUR

A
Cheapest Retailer
-
€752 EUR
$840 USD
B+
Retailer 2
-
€998 EUR
$1,115 USD
View
B+
Retailer 3
-
€1,086 EUR
$1,213 USD
View
Retailer 4
-
€1,157 EUR
$1,293 USD
View
Price last confirmed 20 days ago
B+
Retailer 5
-
€1,157 EUR
$1,293 USD
View
B
Retailer 6
-
€1,841 EUR
$2,057 USD
View
B
Retailer 7
-
€2,170 EUR
$2,424 USD
View
B
Retailer 8
-
€2,348 EUR
$2,623 USD
View
Most Expensive
B
MOH London
LG499191895 · Nov 1
€3,718 EUR
£3,271 GBP
View
8 more retailers have this diamond
Prices start from €752 EURSave up to €2,966 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
1.50ct Radiant
€752 EUR