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Radiant|Lab Grown|IGI

1.60ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG722556116

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

Certificate IGI LG722556116

Diamond specifications and retailer prices

From $900 AUD
$632 USD
As of October 27, 2026
Save $5,022 AUD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,922 AUD at Brilliant Earth · As of October 30, 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 top-tier cut grade and certified by IGI LG722556116 or 722556116. Listed at 17 retailers as of October 27, 2026, with prices from $900 to $5,922, a $5,022 spread on the same certified stone. Brilliant Earth lists it at $5,922. 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 angle44.3°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722556116
Dimensions5.99 × 5.99 × 3.96 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.99 mm5.99 mm1.60 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG722556116
Side View
Table 66.0%Crown 44.3°Girdle: MED-STKPavilion 35.5°Culet: NoneDepth 66.1%

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 27
Current: $5,922 AUD|Low: $863 AUD|High: $6,435 AUD|Avg: $2,321 AUD|-8.0%
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
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Retailer 16
Retailer 17
October 30, 2026
Retailer 16$900 AUD
Retailer 6$978 AUD
Retailer 8$1,006 AUD
Retailer 17$1,043 AUD
Retailer 12$1,295 AUD
Retailer 7$1,503 AUD
Retailer 11$1,660 AUD
Retailer 5$1,704 AUD
Retailer 14$1,767 AUD
Retailer 10$1,917 AUD
Retailer 15$2,423 AUD
Retailer 13$2,596 AUD
Retailer 4$2,933 AUD
Retailer 9$3,254 AUD
Retailer 3$3,559 AUD
Retailer 2$4,419 AUD
Brilliant Earth$5,922 AUD

42 data points across 17 retailers

17 retailers$900 AUD to $5,922 AUD

A
Cheapest Retailer
-
$900 AUD
$632 USD
A
Retailer 2
-
$978 AUD
$687 USD
View
Retailer 3
-
$1,043 AUD
$733 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$1,043 AUD
$733 USD
View
A
Retailer 5
-
$1,295 AUD
$910 USD
View
A
Retailer 6
-
$1,503 AUD
$1,056 USD
View
A
Retailer 7
-
$1,660 AUD
£918 GBP
View
B+
Retailer 8
-
$1,704 AUD
$1,197 USD
View
Retailer 9
-
$1,767 AUD
€1,182 EUR
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$1,917 AUD
ZAR 21,751 ZAR
View
B+
Retailer 11
-
$2,423 AUD
$1,702 USD
View
Retailer 12
-
$2,596 AUD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$2,933 AUD
$2,060 USD
View
B
Retailer 14
-
$3,254 AUD
£1,800 GBP
View
B
Retailer 15
-
$3,559 AUD
$2,500 USD
View
B
Retailer 16
-
$4,419 AUD
£2,444 GBP
View
Most Expensive
B
Brilliant Earth
20725259A · Oct 30
$5,922 AUD
$4,160 USD
View
16 more retailers have this diamond
Prices start from $900 AUDSave up to $5,022 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
$900 AUD