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Round|Lab Grown|IGI

1.50ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG828643490

Shape and cutting style on the report: Round brilliant

Certificate IGI LG828643490

Diamond specifications and retailer prices

From €228 EUR
As of November 6, 2026
Save €721 EUR (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €949 EUR at MOH London · As of November 5, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG828643490 or 828643490. Listed at 15 retailers as of November 5, 2026, with prices from €228 to €949, a €721 spread on the same certified stone. MOH London lists it at €949. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828643490
Dimensions7.39 × 7.37 × 4.52 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.39 mm7.37 mm1.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828643490
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.2%

Caratlytics Score

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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: Nov 6
Current: €949 EUR|Low: €228 EUR|High: €987 EUR|Avg: €510 EUR|-3.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9€228 EUR
Retailer 2€334 EUR
Retailer 7€358 EUR
Retailer 4€360 EUR
Retailer 5€364 EUR
Retailer 3€408 EUR
Retailer 11€633 EUR
Retailer 8€667 EUR
Retailer 6€691 EUR
Retailer 10€757 EUR
MOH London€949 EUR

41 data points across 11 retailers

15 retailers€228 EUR to €949 EUR

Retailer 1
-
€167 EUR
Price last confirmed 27 days ago
Retailer 2
-
€192 EUR
View
Price last confirmed 24 days ago
Retailer 3
-
€206 EUR
View
Price last confirmed 38 days ago
A
Retailer 4
-
€228 EUR
View
A
Retailer 5
-
€334 EUR
View
B+
Retailer 6
-
€358 EUR
View
A
Retailer 7
-
€360 EUR
View
A
Retailer 8
-
€364 EUR
View
A
Retailer 9
-
€408 EUR
View
Retailer 10
-
€633 EUR
View
Price last confirmed 12 days ago
Retailer 11
-
€663 EUR
View
Price last confirmed 30 days ago
B
Retailer 12
-
€667 EUR
View
B
Retailer 13
-
€691 EUR
View
B
Retailer 14
-
€757 EUR
View
Most Expensive
B
MOH London
LG828643490 · Nov 5
€949 EUR
£839 GBP
View
14 more retailers have this diamond
Prices start from €228 EURSave up to €721 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
€228 EUR