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Round|Lab Grown|IGI

1.74ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG747511820

Shape and cutting style on the report: Old european cut

Certificate IGI LG747511820

Diamond specifications and retailer prices

From €646 EUR
As of November 2, 2026
Save €8 EUR (1%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €654 EUR at Loose Grown Diamond · As of November 1, 2026
View at Loose Grown Diamond

About this 1.74ct lab-grown round diamond

This 1.74ct 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 LG747511820 or 747511820. Listed at 3 retailers as of November 1, 2026, with a relatively tight 1% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.74
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747511820
Dimensions7.72 × 7.69 × 4.51 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.72 mm7.69 mm1.74 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747511820
Side View
Table 59.0%Crown 33.2°Girdle: MediumPavilion 41.2°Culet: LargeDepth 58.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: €654 EUR|Low: €408 EUR|High: €1,348 EUR|Avg: €728 EUR
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 3€408 EUR
Retailer 5€544 EUR
Retailer 2€646 EUR
Loose Grown Diamond€654 EUR
Retailer 4€1,348 EUR

12 data points across 5 retailers

3 retailers€646 EUR to €654 EUR

Retailer 1
-
€408 EUR
$458 USD
Price last confirmed 8 days ago
B+
Retailer 2
-
€646 EUR
View
Most Expensive
B+
Loose Grown Diamond
747511820 · Nov 1
€654 EUR
$733 USD
View
2 more retailers have this diamond
Prices start from €646 EURSave up to €8 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.

B+
1.74ct Round
€646 EUR