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Radiant|Lab Grown|IGI

1.52ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG677520852

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

Certificate IGI LG677520852

Diamond specifications and retailer prices

From $399 AUD
As of November 4, 2026
Save $3,664 AUD (90%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $4,063 AUD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.52ct lab-grown radiant diamond

This 1.52ct 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 LG677520852 or 677520852. Listed at 27 retailers as of November 4, 2026, with prices from $399 to $4,063, a $3,664 spread on the same certified stone. Brilliant Earth lists it at $4,063. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.52
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677520852
Dimensions8.40 × 5.70 × 3.69 mm
L/W Ratio1.47
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
8.40 mm5.70 mm1.52 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677520852
Side View
Table 64.0%Crown 43.8°Girdle: MediumPavilion 33.6°Culet: NoneDepth 64.7%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $4,063 AUD|Low: $399 AUD|High: $4,690 AUD|Avg: $1,536 AUD|-13.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 13
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Retailer 17
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Retailer 21
November 5, 2026
Retailer 5$399 AUD
Retailer 20$463 AUD
Retailer 19$475 AUD
Retailer 3$496 AUD
Retailer 4$580 AUD
Retailer 15$720 AUD
Retailer 8$770 AUD
Retailer 14$868 AUD
Retailer 18$891 AUD
Retailer 17$942 AUD
Retailer 2$964 AUD
Retailer 9$1,133 AUD
Retailer 16$1,282 AUD
Retailer 7$1,522 AUD
Retailer 6$1,759 AUD
Retailer 11$1,904 AUD
Retailer 10$2,061 AUD
Retailer 13$2,187 AUD
Retailer 21$3,528 AUD
Retailer 12$3,549 AUD
Brilliant Earth$4,063 AUD

34 data points across 21 retailers

27 retailers$399 AUD to $4,063 AUD

A+
Cheapest Retailer
-
$399 AUD
A
Retailer 2
-
$463 AUD
View
A
Retailer 3
-
$475 AUD
View
Final sale: no returns
A
Retailer 4
-
$496 AUD
View
A
Retailer 5
-
$720 AUD
View
A
Retailer 6
-
$730 AUD
View
A
Retailer 7
-
$770 AUD
View
A
Retailer 8
-
$868 AUD
View
A
Retailer 9
-
$891 AUD
View
A
Retailer 10
-
$942 AUD
View
Retailer 11
-
$961 AUD
View
Price last confirmed 21 days ago
A
Retailer 12
-
$964 AUD
View
A
Retailer 13
-
$1,133 AUD
View
A
Retailer 14
-
$1,229 AUD
View
A
Retailer 15
-
$1,282 AUD
View
B+
Retailer 16
-
$1,522 AUD
View
B+
Retailer 17
-
$1,759 AUD
View
B+
Retailer 18
-
$1,904 AUD
View
B+
Retailer 19
-
$1,990 AUD
View
B+
Retailer 20
-
$2,061 AUD
View
B+
Retailer 21
-
$2,121 AUD
View
B+
Retailer 22
-
$2,187 AUD
View
Retailer 23
-
$2,354 AUD
View
Price last confirmed 31 days ago
Retailer 24
-
$3,528 AUD
View
Price last confirmed 8 days ago
Retailer 25
-
$3,549 AUD
View
Price last confirmed 38 days ago
B
Retailer 26
-
$3,549 AUD
View
Most Expensive
B
Brilliant Earth
13509688Y · Nov 4
$4,063 AUD
$2,850 USD
View
26 more retailers have this diamond
Prices start from $399 AUDSave up to $3,664 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+
1.52ct Radiant
$399 AUD