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Radiant|Lab Grown|IGI

1.60ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG620474192

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

Certificate IGI LG620474192

Diamond specifications and retailer prices

From $391 AUD
$275 USD
As of October 30, 2026
Save $4,378 AUD (92%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,769 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 top-tier cut grade and certified by IGI LG620474192 or 620474192. Listed at 21 retailers as of October 30, 2026, with prices from $391 to $4,769, a $4,378 spread on the same certified stone. Do Amore Diamonds lists it at $4,769. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620474192
Dimensions8.32 × 5.97 × 3.90 mm
L/W Ratio1.39
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
8.32 mm5.97 mm1.60 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620474192
Side View
Table 64.0%Crown 43.7°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 65.3%

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 30
Current: $3,474 AUD|Low: $391 AUD|High: $5,253 AUD|Avg: $1,379 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 5
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 19
Retailer 20
November 1, 2026
Retailer 7$391 AUD
Retailer 8$437 AUD
Retailer 4$454 AUD
Retailer 19$485 AUD
Retailer 20$485 AUD
Retailer 18$712 AUD
Retailer 9$803 AUD
Retailer 14$859 AUD
Retailer 17$920 AUD
Retailer 13$951 AUD
Retailer 5$969 AUD
Retailer 3$1,241 AUD
Retailer 16$1,248 AUD
Retailer 10$1,491 AUD
Retailer 12$1,721 AUD
Retailer 11$1,865 AUD
Retailer 6$1,955 AUD
Retailer 2$2,146 AUD
Do Amore Diamonds$3,474 AUD
Retailer 15$4,655 AUD

44 data points across 20 retailers

21 retailers$391 AUD to $4,769 AUD

A
Cheapest Retailer
-
$391 AUD
$275 USD
A
Retailer 2
-
$437 AUD
$307 USD
View
Final sale: no returns
A
Retailer 3
-
$454 AUD
$319 USD
View
Retailer 4
-
$485 AUD
$341 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$485 AUD
$341 USD
View
A
Retailer 6
-
$712 AUD
$500 USD
View
A
Retailer 7
-
$803 AUD
$564 USD
View
A
Retailer 8
-
$859 AUD
€575 EUR
View
A
Retailer 9
-
$920 AUD
ZAR 10,442 ZAR
View
A
Retailer 10
-
$951 AUD
£526 GBP
View
A
Retailer 11
-
$969 AUD
$681 USD
View
A
Retailer 12
-
$1,241 AUD
$872 USD
View
A
Retailer 13
-
$1,248 AUD
View
A
Retailer 14
-
$1,491 AUD
$1,047 USD
View
B+
Retailer 15
-
$1,721 AUD
$1,209 USD
View
B+
Retailer 16
-
$1,865 AUD
$1,310 USD
View
B+
Retailer 17
-
$1,955 AUD
$1,373 USD
View
B+
Retailer 18
-
$2,146 AUD
£1,187 GBP
View
B
Retailer 19
-
$3,474 AUD
$2,440 USD
View
B
Retailer 20
-
$4,655 AUD
$3,270 USD
View
Most Expensive
B
Do Amore Diamonds
23-620474192 · Oct 31
$4,769 AUD
$3,350 USD
View
20 more retailers have this diamond
Prices start from $391 AUDSave up to $4,378 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
$391 AUD