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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 $1,350 USD
As of October 30, 2026
Save $850 USD (39%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,200 USD at Jared · As of October 30, 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 October 30, 2026, with prices from $1,350 to $2,200, a $850 spread on the same certified stone. Jared lists it at $2,200. 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
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: Oct 30
Current: $2,200 USD|Low: $1,340 USD|High: $2,200 USD|Avg: $1,797 USD
Jared
Retailer 2
June 29, 2026
Retailer 2$1,350 USD
Jared$2,200 USD

5 data points across 2 retailers

2 retailers$1,350 USD to $2,200 USD

B
Cheapest Retailer
-
$1,350 USD
Most Expensive
C
Jared
153783447 · Oct 30
$2,200 USD
View
1 more retailer has this diamond
Prices start from $1,350 USDSave up to $850 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.

B
1.73ct Round
$1,350 USD