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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 $497 NZD
As of November 4, 2026
Save $4,559 NZD (90%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $5,056 NZD 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 $497 to $5,056, a $4,559 spread on the same certified stone. Brilliant Earth lists it at $5,056. 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: $5,056 NZD|Low: $497 NZD|High: $5,836 NZD|Avg: $1,958 NZD|-13.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 5, 2026
Retailer 5$497 NZD
Retailer 2$557 NZD
Retailer 19$577 NZD
Retailer 3$617 NZD
Retailer 4$722 NZD
Retailer 15$896 NZD
Retailer 8$958 NZD
Retailer 18$1,109 NZD
Retailer 17$1,173 NZD
Retailer 13$1,199 NZD
Retailer 9$1,410 NZD
Retailer 16$1,595 NZD
Retailer 7$1,895 NZD
Retailer 6$2,189 NZD
Retailer 11$2,370 NZD
Retailer 10$2,565 NZD
Retailer 14$2,721 NZD
Retailer 20$4,391 NZD
Retailer 12$4,417 NZD
Brilliant Earth$5,056 NZD

34 data points across 20 retailers

27 retailers$497 NZD to $5,056 NZD

A+
Cheapest Retailer
-
$497 NZD
A
Retailer 2
-
$557 NZD
View
Final sale: no returns
A
Retailer 3
-
$577 NZD
View
A
Retailer 4
-
$617 NZD
View
A
Retailer 5
-
$896 NZD
View
A
Retailer 6
-
$908 NZD
View
A
Retailer 7
-
$958 NZD
View
A
Retailer 8
-
$1,080 NZD
View
A
Retailer 9
-
$1,109 NZD
View
A
Retailer 10
-
$1,173 NZD
View
Retailer 11
-
$1,196 NZD
View
Price last confirmed 21 days ago
A
Retailer 12
-
$1,199 NZD
View
A
Retailer 13
-
$1,410 NZD
View
A
Retailer 14
-
$1,529 NZD
View
A
Retailer 15
-
$1,595 NZD
View
B+
Retailer 16
-
$1,895 NZD
View
B+
Retailer 17
-
$2,189 NZD
View
B+
Retailer 18
-
$2,370 NZD
View
B+
Retailer 19
-
$2,477 NZD
View
B+
Retailer 20
-
$2,565 NZD
View
B+
Retailer 21
-
$2,640 NZD
View
B+
Retailer 22
-
$2,721 NZD
View
Retailer 23
-
$2,929 NZD
View
Price last confirmed 31 days ago
Retailer 24
-
$4,391 NZD
View
Price last confirmed 8 days ago
Retailer 25
-
$4,417 NZD
View
Price last confirmed 38 days ago
B
Retailer 26
-
$4,417 NZD
View
Most Expensive
B
Brilliant Earth
13509688Y · Nov 4
$5,056 NZD
$2,850 USD
View
26 more retailers have this diamond
Prices start from $497 NZDSave up to $4,559 NZD

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
$497 NZD