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Round|Lab Grown|IGI

1.50ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • IGI LG436047670

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436047670

Diamond specifications and retailer prices

From €770 EUR
$860 USD
As of October 31, 2026
Save €3,651 EUR (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,421 EUR at MOH London · As of October 29, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436047670 or 436047670. Listed at 11 retailers as of October 29, 2026, with prices from €770 to €4,421, a €3,651 spread on the same certified stone. MOH London lists it at €4,421. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047670
Dimensions7.42 × 7.47 × 4.43 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.42 mm7.47 mm1.50 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436047670
Side View
Table 57.0%Crown 32.5°GirdlePavilion 40.1°Culet: NoneDepth 59.5%

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: €4,421 EUR|Low: €770 EUR|High: €4,450 EUR|Avg: €2,045 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2€770 EUR
Retailer 4€1,180 EUR
Retailer 7€1,321 EUR
Retailer 5€1,369 EUR
Retailer 3€1,674 EUR
Retailer 8€1,882 EUR
Retailer 6€2,165 EUR
Retailer 9€2,551 EUR
Retailer 10€3,064 EUR
MOH London€4,421 EUR

43 data points across 10 retailers

11 retailers€770 EUR to €4,421 EUR

A
Cheapest Retailer
-
€770 EUR
$860 USD
B+
Retailer 2
-
€1,180 EUR
$1,318 USD
View
B+
Retailer 3
-
€1,284 EUR
$1,434 USD
View
B+
Retailer 4
-
€1,321 EUR
$1,476 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,369 EUR
$1,529 USD
View
Retailer 6
-
€1,369 EUR
$1,529 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
€1,674 EUR
£1,473 GBP
View
B
Retailer 8
-
€2,165 EUR
$2,419 USD
View
B
Retailer 9
-
€2,551 EUR
$2,850 USD
View
B
Retailer 10
-
€2,565 EUR
$2,866 USD
View
Most Expensive
B
MOH London
LG436047670 · Oct 29
€4,421 EUR
£3,889 GBP
View
10 more retailers have this diamond
Prices start from €770 EURSave up to €3,651 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
€770 EUR