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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
HK$2,000 HKD
As of November 1, 2026
Save €738 EUR (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €966 EUR at MOH London · As of October 26, 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 October 26, 2026, with prices from €228 to €966, a €738 spread on the same certified stone. MOH London lists it at €966. 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
Color
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 1
Current: €966 EUR|Low: €228 EUR|High: €987 EUR|Avg: €511 EUR|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 9€228 EUR
Retailer 4€338 EUR
Retailer 8€362 EUR
Retailer 6€368 EUR
Retailer 7€371 EUR
Retailer 3€408 EUR
Retailer 2€521 EUR
Retailer 11€633 EUR
Retailer 5€668 EUR
Retailer 10€758 EUR
MOH London€966 EUR

40 data points across 11 retailers

15 retailers€228 EUR to €966 EUR

Retailer 1
-
€167 EUR
$187 USD
Price last confirmed 23 days ago
Retailer 2
-
€193 EUR
$216 USD
View
Price last confirmed 20 days ago
Retailer 3
-
€206 EUR
$231 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
€228 EUR
HK$2,000 HKD
View
A
Retailer 5
-
€338 EUR
View
Retailer 6
-
€362 EUR
$406 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
€368 EUR
£325 GBP
View
A
Retailer 8
-
€371 EUR
£327 GBP
View
A
Retailer 9
-
€408 EUR
$458 USD
View
B+
Retailer 10
-
€521 EUR
$584 USD
View
Retailer 11
-
€633 EUR
$710 USD
View
Price last confirmed 8 days ago
Retailer 12
-
€663 EUR
$744 USD
View
Price last confirmed 25 days ago
B
Retailer 13
-
€668 EUR
SGD 1,013 SGD
View
B
Retailer 14
-
€758 EUR
$850 USD
View
Most Expensive
B
MOH London
LG828643490 · Oct 26
€966 EUR
£853 GBP
View
14 more retailers have this diamond
Prices start from €228 EURSave up to €738 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