CaratHunter
Plans
Cushion|Lab Grown|IGI

1.65ct E FL Cushion Lab Grown Diamond

GD • E/FL

Diamond specifications and retailer prices

From $1,308 AUD
$919 USD
As of October 30, 2026
Save $3,042 AUD (70%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,351 AUD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 1.65ct lab-grown cushion diamond

This 1.65ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI. Listed at 2 retailers as of October 30, 2026, with prices from $1,308 to $4,351, a $3,042 spread on the same certified stone. Helzberg Diamonds lists it at $4,351. 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

1.65
Carat
E
Colour
FL
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.80 × 5.94 mm
L/W Ratio1.48
Top View
8.80 mm5.94 mm1.65 ctE / FL
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.5%

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: $4,351 AUD|Low: $1,308 AUD|High: $6,549 AUD|Avg: $3,378 AUD|-33.6%
Helzberg Diamonds
Retailer 2
October 23, 2026
Retailer 2$1,308 AUD
Helzberg Diamonds$4,351 AUD

6 data points across 2 retailers

2 retailers$1,308 AUD to $4,351 AUD

A
Cheapest Retailer
-
$1,308 AUD
$919 USD
Most Expensive
B
Helzberg Diamonds
ZXZOJMMIGLGO · Oct 31
$4,351 AUD
$3,056 USD
View
1 more retailer has this diamond
Prices start from $1,308 AUDSave up to $3,042 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
1.65ct Cushion
$1,308 AUD