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Radiant|Lab Grown|IGI

1.60ct D IF Radiant Lab Grown Diamond

D/IF • IGI LG768631244

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

Certificate IGI LG768631244

Diamond specifications and retailer prices

From $726 AUD
$510 USD
As of October 26, 2026
Save $4,527 AUD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,253 AUD at Brilliant Earth · As of October 26, 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) and certified by IGI LG768631244 or 768631244. Listed at 15 retailers as of October 26, 2026, with prices from $726 to $5,253, a $4,527 spread on the same certified stone. Brilliant Earth lists it at $5,253. 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
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631244
Dimensions8.07 × 8.07 × 5.76 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
8.07 mm8.07 mm1.60 ctD / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631244
Side View
Table 64.0%Crown 40.5°Girdle: STK-THKPavilion 35.7°Culet: NoneDepth 69.6%

Caratlytics Score

How it works →
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 26
Current: $5,253 AUD|Low: $342 AUD|High: $5,410 AUD|Avg: $1,779 AUD|-2.9%
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
Retailer 18
Retailer 19
October 26, 2026
Retailer 7$342 AUD
Retailer 5$391 AUD
Retailer 2$726 AUD
Retailer 19$783 AUD
Retailer 14$790 AUD
Retailer 3$871 AUD
Retailer 10$1,136 AUD
Retailer 17$1,233 AUD
Retailer 11$1,242 AUD
Retailer 4$1,257 AUD
Retailer 13$1,462 AUD
Retailer 18$1,516 AUD
Retailer 15$1,688 AUD
Retailer 16$2,108 AUD
Retailer 6$2,463 AUD
Retailer 9$2,485 AUD
Retailer 12$3,402 AUD
Retailer 8$3,784 AUD
Brilliant Earth$5,253 AUD

22 data points across 19 retailers

15 retailers$726 AUD to $5,253 AUD

Retailer 1
-
$391 AUD
$275 USD
Price last confirmed 9 days ago
A
Retailer 2
-
$726 AUD
$510 USD
View
Retailer 3
-
$783 AUD
$550 USD
View
Price last confirmed 5 days ago
B+
Retailer 4
-
$790 AUD
$555 USD
View
Retailer 5
-
$871 AUD
€583 EUR
View
Price last confirmed 9 days ago
Retailer 6
-
$1,233 AUD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$1,257 AUD
$883 USD
View
B+
Retailer 8
-
$1,462 AUD
$1,027 USD
View
B+
Retailer 9
-
$1,516 AUD
$1,065 USD
View
Retailer 10
-
$1,688 AUD
$1,186 USD
View
Price last confirmed 7 days ago
Retailer 11
-
$2,108 AUD
£1,166 GBP
View
Price last confirmed 7 days ago
Retailer 12
-
$2,463 AUD
View
Price last confirmed 24 days ago
B
Retailer 13
-
$3,402 AUD
$2,390 USD
View
Retailer 14
-
$3,784 AUD
$2,658 USD
View
Price last confirmed 53 days ago
Most Expensive
B
Brilliant Earth
18070553Y · Oct 26
$5,253 AUD
$3,690 USD
View
14 more retailers have this diamond
Prices start from $726 AUDSave up to $4,527 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
$726 AUD