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Radiant|Lab Grown|IGI

1.73ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG468168401

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

Certificate IGI LG468168401

Diamond specifications and retailer prices

From €166 EUR
$186 USD
As of October 30, 2026
Save €1,436 EUR (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,602 EUR at Do Amore Diamonds · As of October 31, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG468168401 or 468168401. Listed at 12 retailers as of October 30, 2026, with prices from €166 to €1,602, a €1,436 spread on the same certified stone. Do Amore Diamonds lists it at €1,602. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.9°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG468168401
Dimensions7.57 × 6.08 × 4.17 mm
L/W Ratio1.25
Culet sizeNone
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.57 mm6.08 mm1.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG468168401
Side View
Table 67.5%Crown 45.9°Girdle: Slightly ThickPavilion 31.9°Culet: NoneDepth 68.6%

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 30
Current: €1,602 EUR|Low: €164 EUR|High: €1,683 EUR|Avg: €671 EUR|-4.8%
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
Retailer 15
November 1, 2026
Retailer 12€166 EUR
Retailer 3€192 EUR
Retailer 11€193 EUR
Retailer 2€292 EUR
Retailer 10€363 EUR
Retailer 4€446 EUR
Retailer 7€566 EUR
Retailer 5€641 EUR
Retailer 9€667 EUR
Retailer 14€724 EUR
Retailer 13€734 EUR
Retailer 6€1,044 EUR
Retailer 8€1,069 EUR
Retailer 15€1,244 EUR
Do Amore Diamonds€1,602 EUR

39 data points across 15 retailers

12 retailers€166 EUR to €1,602 EUR

A
Cheapest Retailer
-
€166 EUR
$186 USD
A
Retailer 2
-
€192 EUR
$214 USD
View
Final sale: no returns
A
Retailer 3
-
€193 EUR
$216 USD
View
A
Retailer 4
-
€292 EUR
£257 GBP
View
B+
Retailer 5
-
€363 EUR
$406 USD
View
B
Retailer 6
-
€667 EUR
$745 USD
View
B+
Retailer 7
-
€724 EUR
$809 USD
View
B+
Retailer 8
-
€734 EUR
$820 USD
View
B
Retailer 9
-
€794 EUR
£698 GBP
View
B
Retailer 10
-
€1,069 EUR
£940 GBP
View
B
Retailer 11
-
€1,244 EUR
$1,390 USD
View
Most Expensive
B
Do Amore Diamonds
27-E5EA7792C · Oct 31
€1,602 EUR
$1,790 USD
View
11 more retailers have this diamond
Prices start from €166 EURSave up to €1,436 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
€166 EUR