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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 $469 AUD
$329 USD
As of November 2, 2026
Save $1,863 AUD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,332 AUD 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 $469 to $2,332, a $1,863 spread on the same certified stone. MOH London lists it at $2,332. 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 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: $2,332 AUD|Low: $451 AUD|High: $2,359 AUD|Avg: $1,102 AUD|-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
November 3, 2026
Retailer 11$469 AUD
Retailer 3$544 AUD
Retailer 4$582 AUD
Retailer 12$582 AUD
Retailer 7$745 AUD
Retailer 9$799 AUD
Retailer 5$895 AUD
Retailer 14$940 AUD
Retailer 6$960 AUD
Retailer 2$1,031 AUD
Retailer 10$1,707 AUD
Retailer 13$1,871 AUD
Retailer 8$2,197 AUD
MOH London$2,332 AUD

42 data points across 14 retailers

18 retailers$469 AUD to $2,332 AUD

A
Cheapest Retailer
-
$469 AUD
$329 USD
A
Retailer 2
-
$525 AUD
$368 USD
View
Final sale: no returns
A
Retailer 3
-
$544 AUD
$381 USD
View
A
Retailer 4
-
$582 AUD
$408 USD
View
Retailer 5
-
$582 AUD
$408 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$745 AUD
£411 GBP
View
A
Retailer 7
-
$799 AUD
$560 USD
View
B+
Retailer 8
-
$895 AUD
$627 USD
View
B+
Retailer 9
-
$940 AUD
$659 USD
View
B+
Retailer 10
-
$960 AUD
$673 USD
View
B+
Retailer 11
-
$1,031 AUD
£569 GBP
View
B+
Retailer 12
-
$1,205 AUD
HK$6,600 HKD
View
B
Retailer 13
-
$1,707 AUD
$1,196 USD
View
B
Retailer 14
-
$1,871 AUD
$1,311 USD
View
B
Retailer 15
-
$1,934 AUD
$1,355 USD
View
B
Retailer 16
-
$2,197 AUD
$1,540 USD
View
B
Retailer 17
-
$2,290 AUD
$1,605 USD
View
Most Expensive
B
MOH London
LG522253049 · Nov 1
$2,332 AUD
£1,287 GBP
View
17 more retailers have this diamond
Prices start from $469 AUDSave up to $1,863 AUD

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
$469 AUD