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Round|Lab Grown|IGI

1.51ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG794609666

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794609666

Diamond specifications and retailer prices

From €464 EUR
As of November 6, 2026
10 retailers carry this diamond
Most expensive: €1,034 EUR at MOH London · As of October 4, 2026
View at MOH London

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG794609666 or 794609666. Listed at 10 retailers as of November 6, 2026. 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

1.51
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794609666
Dimensions7.48 × 7.45 × 4.43 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.48 mm7.45 mm1.51 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794609666
Side View
Table 59.0%Crown 32.6°Girdle: MediumPavilion 40.6°Culet: NoneDepth 59.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €1,034 EUR|Low: €167 EUR|High: €1,034 EUR|Avg: €472 EUR|+1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 18
November 1, 2026
Retailer 18€169 EUR
Retailer 3€197 EUR
Retailer 13€204 EUR
Retailer 6€219 EUR
Retailer 16€219 EUR
Retailer 17€380 EUR
Retailer 10€381 EUR
Retailer 12€383 EUR
Retailer 11€406 EUR
Retailer 2€464 EUR
Retailer 14€515 EUR
Retailer 8€516 EUR
Retailer 4€694 EUR
Retailer 7€702 EUR
Retailer 5€713 EUR
Retailer 9€750 EUR
Retailer 15€788 EUR
MOH London€1,034 EUR

22 data points across 18 retailers

10 retailers

Retailer 1
-
€169 EUR
Price last confirmed 30 days ago
Retailer 2
-
€204 EUR
View
Price last confirmed 32 days ago
Retailer 3
-
€219 EUR
View
Price last confirmed 34 days ago
Retailer 4
-
€219 EUR
View
Price last confirmed 30 days ago
A
Retailer 5
-
€464 EUR
View
Retailer 6
-
€694 EUR
View
Price last confirmed 31 days ago
Retailer 7
-
€702 EUR
View
Price last confirmed 31 days ago
Retailer 8
-
€713 EUR
View
Price last confirmed 30 days ago
Retailer 9
-
€788 EUR
View
Price last confirmed 30 days ago
Most Expensive
MOH London
LG794609666 · Oct 4
€1,034 EUR
£909 GBP
View
Price last confirmed 33 days ago
9 more retailers have this diamond
Prices start from €464 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
1.51ct Round
€464 EUR