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Round|Lab Grown|IGI

1.25ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG219614474

Shape and cutting style on the report: Round brilliant

Certificate IGI LG219614474

Diamond specifications and retailer prices

From €296 EUR
As of November 6, 2026
Save €803 EUR (73%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €1,099 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 1.25ct lab-grown round diamond

This 1.25ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG219614474 or 219614474. Listed at 6 retailers as of November 5, 2026, with prices from €296 to €1,099, a €803 spread on the same certified stone. MOH London lists it at €1,099. 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

1.25
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG219614474
Dimensions6.84 × 6.79 × 4.34 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa.
Top View
6.84 mm6.79 mm1.25 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG219614474
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.7%

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 6
Current: €1,099 EUR|Low: €287 EUR|High: €1,108 EUR|Avg: €585 EUR|+8.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3€296 EUR
Retailer 2€383 EUR
Retailer 5€423 EUR
Retailer 4€532 EUR
Retailer 7€627 EUR
Retailer 6€864 EUR
MOH London€1,099 EUR

13 data points across 7 retailers

6 retailers€296 EUR to €1,099 EUR

A
Cheapest Retailer
-
€296 EUR
A
Retailer 2
-
€383 EUR
View
B+
Retailer 3
-
€423 EUR
View
A
Retailer 4
-
€532 EUR
View
B+
Retailer 5
-
€864 EUR
View
Most Expensive
B
MOH London
LG_219614474 · Nov 5
€1,099 EUR
£971 GBP
View
5 more retailers have this diamond
Prices start from €296 EURSave up to €803 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
1.25ct Round
€296 EUR