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Radiant|Lab Grown|IGI

1.85ct D FL Radiant Lab Grown Diamond

EX • D/FL

Diamond specifications and retailer prices

From $1,428 AUD
$1,003 USD
As of October 30, 2026
Save $3,634 AUD (72%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $5,062 AUD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 1.85ct lab-grown radiant diamond

This 1.85ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI. Listed at 2 retailers as of October 30, 2026, with prices from $1,428 to $5,062, a $3,634 spread on the same certified stone. Helzberg Diamonds lists it at $5,062. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.85
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.26 × 6.08 × 4.22 mm
L/W Ratio1.36
Top View
8.26 mm6.08 mm1.85 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 65.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 69.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $5,062 AUD|Low: $1,132 AUD|High: $5,845 AUD|Avg: $2,904 AUD|-13.4%
Helzberg Diamonds
Retailer 2
Retailer 3
October 23, 2026
Retailer 3$1,132 AUD
Retailer 2$1,428 AUD
Helzberg Diamonds$5,062 AUD

6 data points across 3 retailers

2 retailers$1,428 AUD to $5,062 AUD

A
Cheapest Retailer
-
$1,428 AUD
$1,003 USD
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHIGJL · Oct 31
$5,062 AUD
$3,556 USD
View
1 more retailer has this diamond
Prices start from $1,428 AUDSave up to $3,634 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.

A
1.85ct Radiant
$1,428 AUD