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Radiant|Lab Grown|IGI

0.74ct F SI1 Radiant Lab Grown Diamond

VG • F/SI1 • IGI LG603335412

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG603335412

Diamond specifications and retailer prices

From $645 AUD
£356 GBP
As of November 2, 2026
Save $138 AUD (18%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $783 AUD at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 0.74ct lab-grown radiant diamond

This 0.74ct lab-grown radiant sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG603335412 or 603335412. Listed at 2 retailers as of November 2, 2026, with prices from $645 to $783, a $138 spread on the same certified stone. Diamond Quarter lists it at $783. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.74
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603335412
Dimensions5.96 × 4.38 × 3.18 mm
L/W Ratio1.36
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
5.96 mm4.38 mm0.74 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG603335412
Side View
Table 74.0%Crown 44.6°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 72.6%

Caratlytics Score

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

Last verified: Nov 2
Current: $645 AUD|Low: $645 AUD|High: $813 AUD|Avg: $741 AUD
Retailer 1
Retailer 2
December 30, 2025
Retailer 1$645 AUD
Retailer 2$813 AUD

4 data points across 2 retailers

2 retailers$645 AUD to $783 AUD

B+
Cheapest Retailer
-
$645 AUD
£356 GBP
Most Expensive
B
Diamond Quarter
0.74SI1FLG12E2DDN · Nov 2
$783 AUD
£432 GBP
View
1 more retailer has this diamond
Prices start from $645 AUDSave up to $138 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+
0.74ct Radiant
$645 AUD