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Radiant|Lab Grown|IGI

1.73ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG522253049

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

Certificate IGI LG522253049

Diamond specifications and retailer prices

From €293 EUR
$329 USD
As of November 2, 2026
Save €1,164 EUR (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,457 EUR at MOH London · As of November 1, 2026
View at MOH London

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 LG522253049 or 522253049. Listed at 18 retailers as of November 1, 2026, with prices from €293 to €1,457, a €1,164 spread on the same certified stone. MOH London lists it at €1,457. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522253049
Dimensions7.86 × 6.12 × 4.12 mm
L/W Ratio1.28
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
7.86 mm6.12 mm1.73 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522253049
Side View
Table 66.5%Crown 45.5°Girdle: MediumPavilion 31.9°Culet: NoneDepth 67.3%

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: Nov 2
Current: €1,457 EUR|Low: €282 EUR|High: €1,474 EUR|Avg: €662 EUR|-1.1%
MOH London
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 2, 2026
Retailer 12€293 EUR
Retailer 7€328 EUR
Retailer 3€340 EUR
Retailer 4€364 EUR
Retailer 13€364 EUR
Retailer 2€465 EUR
Retailer 10€499 EUR
Retailer 5€559 EUR
Retailer 15€588 EUR
Retailer 6€600 EUR
Retailer 8€650 EUR
Retailer 11€1,066 EUR
Retailer 14€1,169 EUR
Retailer 9€1,373 EUR
MOH London€1,457 EUR

41 data points across 15 retailers

18 retailers€293 EUR to €1,457 EUR

A
Cheapest Retailer
-
€293 EUR
$329 USD
A
Retailer 2
-
€328 EUR
$368 USD
View
Final sale: no returns
A
Retailer 3
-
€340 EUR
$381 USD
View
A
Retailer 4
-
€364 EUR
$408 USD
View
Retailer 5
-
€364 EUR
$408 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
€465 EUR
£411 GBP
View
A
Retailer 7
-
€499 EUR
$560 USD
View
B+
Retailer 8
-
€559 EUR
$627 USD
View
B+
Retailer 9
-
€588 EUR
$659 USD
View
B+
Retailer 10
-
€600 EUR
$673 USD
View
B+
Retailer 11
-
€650 EUR
£574 GBP
View
B+
Retailer 12
-
€753 EUR
HK$6,600 HKD
View
B
Retailer 13
-
€1,066 EUR
$1,196 USD
View
B
Retailer 14
-
€1,169 EUR
$1,311 USD
View
B
Retailer 15
-
€1,208 EUR
$1,355 USD
View
B
Retailer 16
-
€1,373 EUR
$1,540 USD
View
B
Retailer 17
-
€1,431 EUR
$1,605 USD
View
Most Expensive
B
MOH London
LG522253049 · Nov 1
€1,457 EUR
£1,287 GBP
View
17 more retailers have this diamond
Prices start from €293 EURSave up to €1,164 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
€293 EUR