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Radiant|Lab Grown|IGI

1.52ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG683546051

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

Certificate IGI LG683546051

Diamond specifications and retailer prices

From $518 NZD
$292 USD
As of October 30, 2026
Save $4,255 NZD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,773 NZD at Brilliant Earth · As of October 31, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG683546051 or 683546051. Listed at 23 retailers as of October 30, 2026, with prices from $518 to $4,773, a $4,255 spread on the same certified stone. Brilliant Earth lists it at $4,773. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.52
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683546051
Dimensions8.09 × 5.75 × 3.77 mm
L/W Ratio1.41
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
8.09 mm5.75 mm1.52 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683546051
Side View
Table 67.0%Crown 39.9°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 65.6%

Caratlytics Score

How it works →
A
Excellent
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: Oct 30
Current: $4,773 NZD|Low: $493 NZD|High: $5,429 NZD|Avg: $1,790 NZD|-9.7%
Brilliant Earth
Retailer 2
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Retailer 21
November 1, 2026
Retailer 4$518 NZD
Retailer 17$578 NZD
Retailer 20$601 NZD
Retailer 7$642 NZD
Retailer 11$642 NZD
Retailer 19$923 NZD
Retailer 9$1,056 NZD
Retailer 18$1,105 NZD
Retailer 6$1,105 NZD
Retailer 13$1,138 NZD
Retailer 15$1,189 NZD
Retailer 8$1,739 NZD
Retailer 3$1,820 NZD
Retailer 5$2,067 NZD
Retailer 12$2,153 NZD
Retailer 14$2,365 NZD
Retailer 16$2,550 NZD
Retailer 2$2,576 NZD
Retailer 10$2,640 NZD
Retailer 21$4,045 NZD
Brilliant Earth$4,773 NZD

38 data points across 21 retailers

23 retailers$518 NZD to $4,773 NZD

A
Cheapest Retailer
-
$518 NZD
$292 USD
A
Retailer 2
-
$578 NZD
$326 USD
View
Final sale: no returns
A
Retailer 3
-
$601 NZD
$339 USD
View
Retailer 4
-
$642 NZD
$362 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$642 NZD
$362 USD
View
A
Retailer 6
-
$923 NZD
$520 USD
View
A
Retailer 7
-
$1,056 NZD
$595 USD
View
A
Retailer 8
-
$1,105 NZD
ZAR 10,058 ZAR
View
A
Retailer 9
-
$1,105 NZD
$623 USD
View
A
Retailer 10
-
$1,138 NZD
£505 GBP
View
A
Retailer 11
-
$1,189 NZD
€638 EUR
View
A
Retailer 12
-
$1,739 NZD
$980 USD
View
B+
Retailer 13
-
$1,820 NZD
$1,026 USD
View
B+
Retailer 14
-
$2,067 NZD
$1,165 USD
View
B+
Retailer 15
-
$2,153 NZD
$1,213 USD
View
B+
Retailer 16
-
$2,365 NZD
$1,333 USD
View
B+
Retailer 17
-
$2,449 NZD
$1,380 USD
View
B+
Retailer 18
-
$2,550 NZD
A$2,211 AUD
View
B+
Retailer 19
-
$2,576 NZD
£1,143 GBP
View
B+
Retailer 20
-
$2,640 NZD
$1,488 USD
View
B+
Retailer 21
-
$2,823 NZD
$1,591 USD
View
Retailer 22
-
$4,045 NZD
$2,280 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
14744855A · Oct 31
$4,773 NZD
$2,690 USD
View
22 more retailers have this diamond
Prices start from $518 NZDSave up to $4,255 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
$518 NZD