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Radiant|Lab Grown|IGI

1.73ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG542232747

Shape and cutting style on the report: Radiant cut

Certificate IGI LG542232747

Diamond specifications and retailer prices

From €164 EUR
$184 USD
As of October 27, 2026
Save €1,414 EUR (90%) vs most expensive(unlock to see where)
10 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 1.73ct lab-grown radiant diamond

This 1.73ct 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 LG542232747 or 542232747. Listed at 10 retailers as of October 27, 2026, with prices from €164 to €1,578, a €1,414 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

1.73
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542232747
Dimensions8.25 × 5.78 × 4.10 mm
L/W Ratio1.43
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
8.25 mm5.78 mm1.73 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542232747
Side View
Table 63.0%Crown 42.7°Girdle: Slightly ThickPavilion 33.1°Culet: NoneDepth 70.9%

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 27
Current: €1,578 EUR|Low: €163 EUR|High: €1,632 EUR|Avg: €726 EUR|-3.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 25, 2026
Retailer 5€164 EUR
Retailer 3€190 EUR
Retailer 10€191 EUR
Retailer 7€358 EUR
Retailer 4€690 EUR
Retailer 8€715 EUR
Retailer 6€721 EUR
Retailer 2€1,051 EUR
Retailer 9€1,132 EUR
Do Amore Diamonds€1,578 EUR

18 data points across 10 retailers

10 retailers€164 EUR to €1,578 EUR

A
Cheapest Retailer
-
€164 EUR
$184 USD
A
Retailer 2
-
€190 EUR
$213 USD
View
A
Retailer 3
-
€191 EUR
$214 USD
View
Final sale: no returns
B+
Retailer 4
-
€358 EUR
$402 USD
View
Retailer 5
-
€690 EUR
$774 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
€715 EUR
$802 USD
View
B+
Retailer 7
-
€721 EUR
$809 USD
View
B
Retailer 8
-
€1,051 EUR
£928 GBP
View
B
Retailer 9
-
€1,132 EUR
$1,270 USD
View
Most Expensive
B
Do Amore Diamonds
27-E5D6A24DB · Oct 29
€1,578 EUR
$1,770 USD
View
9 more retailers have this diamond
Prices start from €164 EURSave up to €1,414 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
1.73ct Radiant
€164 EUR