CaratHunter
Plans
Radiant|Lab Grown|IGI

1.67ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG732520458

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

Certificate IGI LG732520458

Diamond specifications and retailer prices

From $384 AUD
$270 USD
As of October 30, 2026
Save $4,484 AUD (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,869 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.67ct lab-grown radiant diamond

This 1.67ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG732520458 or 732520458. Listed at 17 retailers as of October 30, 2026, with prices from $384 to $4,869, a $4,484 spread on the same certified stone. Brilliant Earth lists it at $4,869. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.67
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732520458
Dimensions8.70 × 5.84 × 3.86 mm
L/W Ratio1.49
Culet sizePointed
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
8.70 mm5.84 mm1.67 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732520458
Side View
Table 65.0%Crown 36.7°Girdle: MediumPavilion 34.5°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
A+
Exceptional
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: $4,869 AUD|Low: $352 AUD|High: $5,652 AUD|Avg: $1,830 AUD|-13.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 13$384 AUD
Retailer 5$446 AUD
Retailer 9$493 AUD
Retailer 14$730 AUD
Retailer 7$790 AUD
Retailer 17$790 AUD
Retailer 2$874 AUD
Retailer 12$1,224 AUD
Retailer 8$1,358 AUD
Retailer 16$1,465 AUD
Retailer 4$1,516 AUD
Retailer 3$1,693 AUD
Retailer 11$2,121 AUD
Retailer 10$2,545 AUD
Retailer 15$3,417 AUD
Retailer 6$4,114 AUD
Brilliant Earth$4,869 AUD

37 data points across 17 retailers

17 retailers$384 AUD to $4,869 AUD

A+
Cheapest Retailer
-
$384 AUD
$270 USD
A
Retailer 2
-
$446 AUD
$313 USD
View
A
Retailer 3
-
$493 AUD
$346 USD
View
Final sale: no returns
A
Retailer 4
-
$730 AUD
$513 USD
View
A
Retailer 5
-
$790 AUD
$555 USD
View
A
Retailer 6
-
$790 AUD
$555 USD
View
A
Retailer 7
-
$874 AUD
€585 EUR
View
A
Retailer 8
-
$1,224 AUD
View
A
Retailer 9
-
$1,358 AUD
$954 USD
View
A
Retailer 10
-
$1,465 AUD
$1,029 USD
View
A
Retailer 11
-
$1,516 AUD
$1,065 USD
View
A
Retailer 12
-
$1,693 AUD
$1,189 USD
View
B+
Retailer 13
-
$2,121 AUD
£1,173 GBP
View
B+
Retailer 14
-
$2,545 AUD
View
B+
Retailer 15
-
$3,417 AUD
$2,400 USD
View
B
Retailer 16
-
$4,114 AUD
$2,890 USD
View
Most Expensive
B
Brilliant Earth
16112448Y · Oct 30
$4,869 AUD
$3,420 USD
View
16 more retailers have this diamond
Prices start from $384 AUDSave up to $4,484 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+
1.67ct Radiant
$384 AUD