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Round|Lab Grown|IGI

1.50ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG407932651

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407932651

Diamond specifications and retailer prices

From €743 EUR
$830 USD
As of October 31, 2026
Save €2,953 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,696 EUR at MOH London · As of October 27, 2026
View at MOH London

About this 1.5ct lab-grown round diamond

This 1.5ct 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 LG407932651 or 407932651. Listed at 11 retailers as of October 27, 2026, with prices from €743 to €3,696, a €2,953 spread on the same certified stone. MOH London lists it at €3,696. 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
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407932651
Dimensions7.32 × 7.36 × 4.50 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.32 mm7.36 mm1.50 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG407932651
Side View
Table 53.0%Crown 32°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.2%

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: €3,696 EUR|Low: €743 EUR|High: €3,740 EUR|Avg: €1,627 EUR|+0.1%
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€743 EUR
Retailer 7€938 EUR
Retailer 11€1,020 EUR
Retailer 13€1,050 EUR
Retailer 8€1,088 EUR
Retailer 10€1,088 EUR
Retailer 6€1,266 EUR
Retailer 3€1,572 EUR
Retailer 9€1,736 EUR
Retailer 12€2,040 EUR
Retailer 4€2,274 EUR
Retailer 5€2,434 EUR
MOH London€3,696 EUR

42 data points across 13 retailers

11 retailers€743 EUR to €3,696 EUR

A
Cheapest Retailer
-
€743 EUR
$830 USD
B+
Retailer 2
-
€938 EUR
$1,048 USD
View
B+
Retailer 3
-
€1,020 EUR
$1,140 USD
View
B+
Retailer 4
-
€1,050 EUR
$1,173 USD
View
Final sale: no returns
Retailer 5
-
€1,088 EUR
$1,216 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
€1,088 EUR
$1,216 USD
View
B+
Retailer 7
-
€1,266 EUR
£1,114 GBP
View
B
Retailer 8
-
€1,736 EUR
$1,939 USD
View
B
Retailer 9
-
€2,040 EUR
$2,279 USD
View
B
Retailer 10
-
€2,274 EUR
$2,541 USD
View
Most Expensive
B
MOH London
LG407932651 · Oct 27
€3,696 EUR
£3,251 GBP
View
10 more retailers have this diamond
Prices start from €743 EURSave up to €2,953 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 Round
€743 EUR