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Round|Lab Grown|IGI

1.73ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG683599538

Certificate IGI LG683599538

Diamond specifications and retailer prices

From $1,926 AUD
$1,350 USD
As of November 2, 2026
Save $1,213 AUD (39%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $3,139 AUD at Jared · As of November 2, 2026
View at Jared

About this 1.73ct lab-grown round diamond

This 1.73ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG683599538 or 683599538. Listed at 2 retailers as of November 2, 2026, with prices from $1,926 to $3,139, a $1,213 spread on the same certified stone. Jared lists it at $3,139. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG683599538
Dimensions7.76 × 7.81 mm
L/W Ratio1.01
Top View
7.76 mm7.81 mm1.73 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683599538
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: NoneDepth 60.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $3,139 AUD|Low: $1,912 AUD|High: $3,139 AUD|Avg: $2,564 AUD
Jared
Retailer 2
June 29, 2026
Retailer 2$1,926 AUD
Jared$3,139 AUD

5 data points across 2 retailers

2 retailers$1,926 AUD to $3,139 AUD

B
Cheapest Retailer
-
$1,926 AUD
$1,350 USD
Most Expensive
C
Jared
153783447 · Nov 2
$3,139 AUD
$2,200 USD
View
1 more retailer has this diamond
Prices start from $1,926 AUDSave up to $1,213 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.

B
1.73ct Round
$1,926 AUD