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Round|Lab Grown|IGI

0.73ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG459192030

Shape and cutting style on the report: Round brilliant

Certificate IGI LG459192030

Diamond specifications and retailer prices

From $390 USD
As of October 30, 2026
Save $2,850 USD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,240 USD at MOH London · As of October 26, 2026
View at MOH London

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 LG459192030 or 459192030. Listed at 12 retailers as of October 26, 2026, with prices from $390 to $3,240, a $2,850 spread on the same certified stone. MOH London lists it at $3,240. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459192030
Dimensions5.77 × 5.79 × 3.54 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
5.77 mm5.79 mm0.73 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG459192030
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.2%

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 30
Current: $3,240 USD|Low: $390 USD|High: $3,275 USD|Avg: $1,134 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 5$390 USD
Retailer 7$601 USD
Retailer 10$673 USD
Retailer 11$673 USD
Retailer 8$745 USD
Retailer 3$1,082 USD
Retailer 9$1,144 USD
Retailer 4$1,163 USD
Retailer 2$1,238 USD
Retailer 6$1,849 USD
MOH London$3,240 USD

42 data points across 11 retailers

12 retailers$390 USD to $3,240 USD

A
Cheapest Retailer
-
$390 USD
B+
Retailer 2
-
$601 USD
View
B+
Retailer 3
-
$673 USD
View
B+
Retailer 4
-
$673 USD
View
Final sale: no returns
Retailer 5
-
$745 USD
View
Price last confirmed 15 days ago
B+
Retailer 6
-
$745 USD
View
B
Retailer 7
-
$1,144 USD
View
B
Retailer 8
-
$1,163 USD
£915 GBP
View
B
Retailer 9
-
$1,238 USD
€1,179 EUR
View
B
Retailer 10
-
$1,849 USD
View
B
Retailer 11
-
$1,960 USD
View
Most Expensive
B
MOH London
LG459192030 · Oct 26
$3,240 USD
£2,551 GBP
View
11 more retailers have this diamond
Prices start from $390 USDSave up to $2,850 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.

A
0.73ct Round
$390 USD