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0.73ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG640420616

Shape and cutting style on the report: Round brilliant

Certificate IGI LG640420616

Diamond specifications and retailer prices

From $431 USD
£339 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $431 USD at MD Diamonds and Jewellers
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at MD Diamonds and Jewellers

About this 0.73ct lab-grown round diamond

This 0.73ct lab-grown round sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG640420616 or 640420616. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

0.73
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640420616
Dimensions5.82 × 5.80 × 3.48 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.82 mm5.80 mm0.73 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640420616
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: $321 USD|Low: $51 USD|High: $597 USD|Avg: $389 USD|-16.0%
Retailer 1
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Retailer 5
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Retailer 9
June 21, 2026
Retailer 2$178 USD
Retailer 4$240 USD
Retailer 3$248 USD
Retailer 5$299 USD
Retailer 1$321 USD
Retailer 7$407 USD
Retailer 8$477 USD
Retailer 6$530 USD
Retailer 9$592 USD

75 data points across 9 retailers

1 retailer

B+
MD Diamonds and Jewellers
LG640420616 · Oct 29
$431 USD
£339 GBP
View

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+
0.73ct Round
$431 USD