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Radiant|Lab Grown|IGI

1.60ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG769647838

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

Certificate IGI LG769647838

Diamond specifications and retailer prices

From $534 AUD
$375 USD
As of October 30, 2026
Save $4,520 AUD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $5,054 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 top-tier cut grade and certified by IGI LG769647838 or 769647838. Listed at 24 retailers as of October 30, 2026, with prices from $534 to $5,054, a $4,520 spread on the same certified stone. Brilliant Earth lists it at $5,054. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769647838
Dimensions8.61 × 5.76 × 3.79 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
8.61 mm5.76 mm1.60 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769647838
Side View
Table 63.0%Crown 39.9°Girdle: MED-STKPavilion 32.8°Culet: NoneDepth 65.8%

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: $5,054 AUD|Low: $512 AUD|High: $5,595 AUD|Avg: $1,656 AUD|-9.7%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 20
November 1, 2026
Retailer 20$534 AUD
Retailer 11$598 AUD
Retailer 6$599 AUD
Retailer 3$663 AUD
Retailer 8$663 AUD
Retailer 16$876 AUD
Retailer 19$881 AUD
Retailer 10$1,123 AUD
Retailer 13$1,204 AUD
Retailer 15$1,257 AUD
Retailer 9$1,525 AUD
Retailer 12$1,604 AUD
Retailer 14$1,704 AUD
Retailer 18$1,859 AUD
Retailer 5$2,352 AUD
Retailer 4$2,480 AUD
Retailer 7$2,561 AUD
Retailer 2$2,687 AUD
Retailer 17$3,986 AUD
Brilliant Earth$5,054 AUD

45 data points across 20 retailers

24 retailers$534 AUD to $5,054 AUD

A
Cheapest Retailer
-
$534 AUD
$375 USD
A
Retailer 2
-
$598 AUD
$420 USD
View
Final sale: no returns
A
Retailer 3
-
$599 AUD
$421 USD
View
Retailer 4
-
$663 AUD
$466 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$663 AUD
$466 USD
View
A
Retailer 6
-
$876 AUD
$615 USD
View
A
Retailer 7
-
$881 AUD
$619 USD
View
A
Retailer 8
-
$1,123 AUD
$789 USD
View
A
Retailer 9
-
$1,204 AUD
£666 GBP
View
A
Retailer 10
-
$1,257 AUD
ZAR 14,267 ZAR
View
A
Retailer 11
-
$1,271 AUD
$893 USD
View
B+
Retailer 12
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$1,525 AUD
$1,071 USD
View
B+
Retailer 13
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$1,604 AUD
$1,126 USD
View
B+
Retailer 14
-
$1,704 AUD
View
B+
Retailer 15
-
$1,859 AUD
$1,306 USD
View
B+
Retailer 16
-
$2,352 AUD
$1,652 USD
View
B+
Retailer 17
-
$2,480 AUD
$1,742 USD
View
B+
Retailer 18
-
$2,485 AUD
$1,746 USD
View
B
Retailer 19
-
$2,561 AUD
$1,799 USD
View
B
Retailer 20
-
$2,570 AUD
$1,805 USD
View
B+
Retailer 21
-
$2,687 AUD
£1,486 GBP
View
B
Retailer 22
-
$3,986 AUD
$2,800 USD
View
B
Retailer 23
-
$4,741 AUD
$3,330 USD
View
Most Expensive
B
Brilliant Earth
18397136Y · Oct 31
$5,054 AUD
$3,550 USD
View
23 more retailers have this diamond
Prices start from $534 AUDSave up to $4,520 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
$534 AUD