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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 $184 USD
As of October 27, 2026
Save $1,586 USD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,770 USD 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 $184 to $1,770, a $1,586 spread on the same certified stone. Do Amore Diamonds lists it at $1,770. 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 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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,770 USD|Low: $183 USD|High: $1,830 USD|Avg: $815 USD|-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$184 USD
Retailer 3$213 USD
Retailer 10$214 USD
Retailer 7$402 USD
Retailer 4$774 USD
Retailer 8$802 USD
Retailer 6$809 USD
Retailer 2$1,179 USD
Retailer 9$1,270 USD
Do Amore Diamonds$1,770 USD

18 data points across 10 retailers

10 retailers$184 USD to $1,770 USD

A
Cheapest Retailer
-
$184 USD
A
Retailer 2
-
$213 USD
View
A
Retailer 3
-
$214 USD
View
Final sale: no returns
B+
Retailer 4
-
$402 USD
View
B+
Retailer 5
-
$774 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$802 USD
View
B+
Retailer 7
-
$809 USD
View
B
Retailer 8
-
$1,179 USD
£928 GBP
View
B
Retailer 9
-
$1,270 USD
View
Most Expensive
B
Do Amore Diamonds
27-E5D6A24DB · Oct 29
$1,770 USD
View
9 more retailers have this diamond
Prices start from $184 USDSave up to $1,586 USD

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
$184 USD