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Radiant|Lab Grown|IGI

1.74ct E IF Radiant Lab Grown Diamond

E/IF

Diamond specifications and retailer prices

From $487 AUD
$342 USD
As of October 28, 2026
Save $3,392 AUD (87%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,879 AUD at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

About this 1.74ct lab-grown radiant diamond

This 1.74ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless) and certified by IGI. Listed at 3 retailers as of October 28, 2026, with prices from $487 to $3,879, a $3,392 spread on the same certified stone. Helzberg Diamonds lists it at $3,879. 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

1.74
Carat
E
Colour
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.22 × 5.92 × 4.07 mm
L/W Ratio1.39
Top View
8.22 mm5.92 mm1.74 ctE / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 64.0%CrownGirdle: MediumPavilionCuletDepth 68.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $3,879 AUD|Low: $420 AUD|High: $4,280 AUD|Avg: $1,608 AUD|-9.4%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 14, 2026
Retailer 4$420 AUD
Retailer 2$487 AUD
Retailer 3$521 AUD
Retailer 5$521 AUD
Retailer 6$1,674 AUD
Helzberg Diamonds$3,879 AUD

10 data points across 6 retailers

3 retailers$487 AUD to $3,879 AUD

B+
Cheapest Retailer
-
$487 AUD
$342 USD
B+
Retailer 2
-
$1,674 AUD
$1,176 USD
View
Most Expensive
C
Helzberg Diamonds
ZXZOHOMLKILK · Oct 29
$3,879 AUD
$2,725 USD
View
2 more retailers have this diamond
Prices start from $487 AUDSave up to $3,392 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+
1.74ct Radiant
$487 AUD