Radiant|Lab Grown|IGI

1.74ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG618475819

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG618475819

Diamond specifications and retailer prices

From €165 EUR
$185 USD
As of October 27, 2026
Save €1,413 EUR (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,578 EUR at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.74ct lab-grown radiant diamond

This 1.74ct lab-grown radiant 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 LG618475819 or 618475819. Listed at 9 retailers as of October 27, 2026, with prices from €165 to €1,578, a €1,413 spread on the same certified stone. Do Amore Diamonds lists it at €1,578. 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 angle42.4°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618475819
Dimensions8.57 × 5.82 × 3.92 mm
L/W Ratio1.47
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
8.57 mm5.82 mm1.74 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618475819
Side View
Table 67.0%Crown 42.4°Girdle: MediumPavilion 33.6°Culet: NoneDepth 67.4%

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: Oct 27
Current: €1,578 EUR|Low: €132 EUR|High: €1,641 EUR|Avg: €723 EUR|-3.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 25, 2026
Retailer 10€165 EUR
Retailer 7€191 EUR
Retailer 13€192 EUR
Retailer 12€360 EUR
Retailer 5€385 EUR
Retailer 6€487 EUR
Retailer 8€694 EUR
Retailer 3€717 EUR
Retailer 14€719 EUR
Retailer 11€725 EUR
Retailer 9€887 EUR
Retailer 2€1,056 EUR
Do Amore Diamonds€1,578 EUR
Retailer 4€1,587 EUR

19 data points across 14 retailers

9 retailers€165 EUR to €1,578 EUR

A
Cheapest Retailer
-
€165 EUR
$185 USD
A
Retailer 2
-
€191 EUR
$214 USD
View
A
Retailer 3
-
€192 EUR
$215 USD
View
Final sale: no returns
B+
Retailer 4
-
€360 EUR
$404 USD
View
Retailer 5
-
€694 EUR
$778 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
€725 EUR
$813 USD
View
B+
Retailer 7
-
€887 EUR
$995 USD
View
B
Retailer 8
-
€1,056 EUR
£933 GBP
View
Most Expensive
B
Do Amore Diamonds
27-565C12CE8 · Oct 29
€1,578 EUR
$1,770 USD
View
8 more retailers have this diamond
Prices start from €165 EURSave up to €1,413 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
1.74ct Radiant
€165 EUR