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Round|Lab Grown|IGI

1.50ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG825629744

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825629744

Diamond specifications and retailer prices

From €178 EUR
As of November 5, 2026
Save €856 EUR (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,034 EUR at MOH London · As of November 1, 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 LG825629744 or 825629744. Listed at 17 retailers as of November 1, 2026, with prices from €178 to €1,034, a €856 spread on the same certified stone. MOH London lists it at €1,034. 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 angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825629744
Dimensions7.41 × 7.36 × 4.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.41 mm7.36 mm1.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825629744
Side View
Table 60.0%Crown 35.7°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
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 5
Current: €1,034 EUR|Low: €171 EUR|High: €1,047 EUR|Avg: €490 EUR
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
November 6, 2026
Retailer 10€178 EUR
Retailer 4€207 EUR
Retailer 12€221 EUR
Retailer 2€374 EUR
Retailer 13€384 EUR
Retailer 6€391 EUR
Retailer 8€400 EUR
Retailer 3€449 EUR
Retailer 9€624 EUR
Retailer 5€711 EUR
Retailer 7€713 EUR
Retailer 11€757 EUR
MOH London€1,034 EUR

46 data points across 13 retailers

17 retailers€178 EUR to €1,034 EUR

A
Cheapest Retailer
-
€178 EUR
A
Retailer 2
-
€207 EUR
View
A
Retailer 3
-
€221 EUR
View
Retailer 4
-
€221 EUR
View
Price last confirmed 12 days ago
A
Retailer 5
-
€374 EUR
View
B+
Retailer 6
-
€384 EUR
View
A
Retailer 7
-
€391 EUR
View
A
Retailer 8
-
€400 EUR
View
A
Retailer 9
-
€402 EUR
View
B+
Retailer 10
-
€449 EUR
View
B+
Retailer 11
-
€624 EUR
View
B
Retailer 12
-
€711 EUR
View
B
Retailer 13
-
€713 EUR
View
B
Retailer 14
-
€757 EUR
View
B
Retailer 15
-
€757 EUR
View
B
Retailer 16
-
€758 EUR
View
Most Expensive
B
MOH London
LG825629744 · Nov 1
€1,034 EUR
£914 GBP
View
16 more retailers have this diamond
Prices start from €178 EURSave up to €856 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
€178 EUR