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Round|Lab Grown|IGI

1.25ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG749574687

Shape and cutting style on the report: Round brilliant

Certificate IGI LG749574687

Diamond specifications and retailer prices

From €307 EUR
As of October 31, 2026
Save €531 EUR (63%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €838 EUR at MOH London · As of November 1, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG749574687 or 749574687. Listed at 8 retailers as of October 31, 2026, with prices from €307 to €838, a €531 spread on the same certified stone. MOH London lists it at €838. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749574687
Dimensions6.91 × 6.87 × 4.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.91 mm6.87 mm1.25 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749574687
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 40.6°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: Oct 31
Current: €838 EUR|Low: €292 EUR|High: €842 EUR|Avg: €438 EUR|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4€307 EUR
Retailer 3€316 EUR
Retailer 8€325 EUR
Retailer 5€348 EUR
Retailer 2€437 EUR
Retailer 7€471 EUR
Retailer 6€625 EUR
MOH London€838 EUR

38 data points across 8 retailers

8 retailers€307 EUR to €838 EUR

A
Cheapest Retailer
-
€307 EUR
A
Retailer 2
-
€316 EUR
£279 GBP
View
B+
Retailer 3
-
€325 EUR
$364 USD
View
A
Retailer 4
-
€348 EUR
$390 USD
View
A
Retailer 5
-
€437 EUR
$490 USD
View
B+
Retailer 6
-
€471 EUR
$528 USD
View
B+
Retailer 7
-
€625 EUR
$701 USD
View
Most Expensive
B
MOH London
LG749574687 · Nov 1
€838 EUR
£740 GBP
View
7 more retailers have this diamond
Prices start from €307 EURSave up to €531 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
€307 EUR