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Radiant|Lab Grown|IGI

1.73ct F VS2 Radiant Lab Grown Diamond

ID • F/VS2

Diamond specifications and retailer prices

From $309 AUD
$217 USD
As of October 27, 2026
Save $1,287 AUD (81%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,653 AUD at Blue Nile · As of October 22, 2026
View at Blue Nile

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 8 retailers as of October 27, 2026, with a 417% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.52 × 5.92 × 3.98 mm
L/W Ratio1.44
Top View
8.52 mm5.92 mm1.73 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 64.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 67.2%

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 27
Current: $1,653 AUD|Low: $299 AUD|High: $1,754 AUD|Avg: $846 AUD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4$309 AUD
Retailer 8$390 AUD
Retailer 5$519 AUD
Retailer 6$564 AUD
Retailer 2$1,207 AUD
Retailer 7$1,360 AUD
Retailer 3$1,596 AUD
Blue Nile$1,653 AUD

37 data points across 8 retailers

8 retailers$309 AUD to $1,596 AUD

A
Cheapest Retailer
-
$309 AUD
$217 USD
Retailer 2
-
$390 AUD
$274 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$519 AUD
£287 GBP
View
A
Retailer 4
-
$564 AUD
$396 USD
View
B+
Retailer 5
-
$1,207 AUD
CA$1,177 CAD
View
Retailer 6
-
$1,360 AUD
$955 USD
View
Price last confirmed 7 days ago
B
Retailer 7
-
$1,596 AUD
$1,121 USD
View
Most Expensive
Blue Nile
20299631 · Oct 22
$1,653 AUD
$1,161 USD
View
Price last confirmed 10 days ago
7 more retailers have this diamond
Prices start from $309 AUDSave up to $1,287 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
$309 AUD