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Round|Lab Grown|IGI

1.26ct H SI2 Round Lab Grown Diamond

ID • H/SI2 • IGI LG496135571

Shape and cutting style on the report: Round brilliant

Certificate IGI LG496135571

Diamond specifications and retailer prices

From €618 EUR
As of November 5, 2026
Save €2,197 EUR (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €2,815 EUR at MOH London · As of November 3, 2026
View at MOH London

About this 1.26ct lab-grown round diamond

This 1.26ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG496135571 or 496135571. Listed at 10 retailers as of November 3, 2026, with prices from €618 to €2,815, a €2,197 spread on the same certified stone. MOH London lists it at €2,815. 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

1.26
Carat
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496135571
Dimensions6.96 × 7.03 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.96 mm7.03 mm1.26 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496135571
Side View
Table 55.5%Crown 33.3°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 60.9%

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: €2,815 EUR|Low: €593 EUR|High: €2,849 EUR|Avg: €1,270 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 5€618 EUR
Retailer 2€633 EUR
Retailer 8€673 EUR
Retailer 10€691 EUR
Retailer 6€717 EUR
Retailer 11€1,144 EUR
Retailer 7€1,165 EUR
Retailer 3€1,605 EUR
Retailer 4€1,766 EUR
Retailer 9€2,015 EUR
MOH London€2,815 EUR

13 data points across 11 retailers

10 retailers€618 EUR to €2,815 EUR

A
Cheapest Retailer
-
€618 EUR
A
Retailer 2
-
€633 EUR
View
A
Retailer 3
-
€673 EUR
View
A
Retailer 4
-
€691 EUR
View
Final sale: no returns
A
Retailer 5
-
€717 EUR
View
Retailer 6
-
€717 EUR
View
Price last confirmed 21 days ago
B+
Retailer 7
-
€1,165 EUR
View
B
Retailer 8
-
€1,766 EUR
View
B
Retailer 9
-
€2,015 EUR
View
Most Expensive
B
MOH London
LG496135571 · Nov 3
€2,815 EUR
£2,488 GBP
View
9 more retailers have this diamond
Prices start from €618 EURSave up to €2,197 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
1.26ct Round
€618 EUR