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Radiant|Lab Grown|IGI

1.60ct D IF Radiant Lab Grown Diamond

VG • D/IF • IGI LG754594272

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

Certificate IGI LG754594272

Diamond specifications and retailer prices

From $384 AUD
$270 USD
As of October 30, 2026
Save $4,214 AUD (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,598 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.6ct lab-grown radiant diamond

This 1.6ct 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 very-good cut grade and certified by IGI LG754594272 or 754594272. Listed at 17 retailers as of October 30, 2026, with prices from $384 to $4,598, a $4,214 spread on the same certified stone. Brilliant Earth lists it at $4,598. 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

1.60
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594272
Dimensions8.22 × 8.22 × 5.72 mm
L/W Ratio1.00
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
8.22 mm8.22 mm1.60 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594272
Side View
Table 63.0%Crown 40.3°Girdle: ThickPavilion 35.7°Culet: NoneDepth 69.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,598 AUD|Low: $384 AUD|High: $6,762 AUD|Avg: $1,839 AUD|-32.0%
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
November 1, 2026
Retailer 13$384 AUD
Retailer 5$446 AUD
Retailer 9$478 AUD
Retailer 14$726 AUD
Retailer 11$783 AUD
Retailer 17$790 AUD
Retailer 10$874 AUD
Retailer 12$1,221 AUD
Retailer 7$1,257 AUD
Retailer 16$1,462 AUD
Retailer 4$1,516 AUD
Retailer 3$1,688 AUD
Retailer 2$2,104 AUD
Retailer 8$2,463 AUD
Retailer 15$3,402 AUD
Retailer 6$3,936 AUD
Brilliant Earth$4,598 AUD

38 data points across 17 retailers

17 retailers$384 AUD to $4,598 AUD

A
Cheapest Retailer
-
$384 AUD
$270 USD
A
Retailer 2
-
$446 AUD
$313 USD
View
A
Retailer 3
-
$478 AUD
$336 USD
View
Final sale: no returns
A
Retailer 4
-
$726 AUD
$510 USD
View
A
Retailer 5
-
$783 AUD
$550 USD
View
A
Retailer 6
-
$790 AUD
$555 USD
View
A
Retailer 7
-
$874 AUD
€585 EUR
View
A
Retailer 8
-
$1,221 AUD
View
A
Retailer 9
-
$1,257 AUD
$883 USD
View
B+
Retailer 10
-
$1,462 AUD
$1,027 USD
View
B+
Retailer 11
-
$1,516 AUD
$1,065 USD
View
B+
Retailer 12
-
$1,688 AUD
$1,186 USD
View
B+
Retailer 13
-
$2,104 AUD
£1,164 GBP
View
Retailer 14
-
$2,463 AUD
View
Price last confirmed 24 days ago
B
Retailer 15
-
$3,402 AUD
$2,390 USD
View
B
Retailer 16
-
$3,936 AUD
$2,765 USD
View
Most Expensive
B
Brilliant Earth
17496191Y · Oct 31
$4,598 AUD
$3,230 USD
View
16 more retailers have this diamond
Prices start from $384 AUDSave up to $4,214 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
1.60ct Radiant
$384 AUD