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Radiant|Lab Grown|IGI

1.53ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG605337348

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

Certificate IGI LG605337348

Diamond specifications and retailer prices

From $520 NZD
$293 USD
As of November 2, 2026
Save $4,271 NZD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,791 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.53ct lab-grown radiant diamond

This 1.53ct 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 LG605337348 or 605337348. Listed at 25 retailers as of October 31, 2026, with prices from $520 to $4,791, a $4,271 spread on the same certified stone. Brilliant Earth lists it at $4,791. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605337348
Dimensions8.04 × 5.76 × 3.94 mm
L/W Ratio1.40
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
8.04 mm5.76 mm1.53 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605337348
Side View
Table 64.0%Crown 38.8°Girdle: Slightly ThickPavilion 36.8°Culet: NoneDepth 68.4%

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: Nov 2
Current: $4,791 NZD|Low: $495 NZD|High: $5,447 NZD|Avg: $1,756 NZD|-9.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
November 2, 2026
Retailer 6$520 NZD
Retailer 3$603 NZD
Retailer 16$612 NZD
Retailer 9$646 NZD
Retailer 14$646 NZD
Retailer 22$923 NZD
Retailer 11$1,059 NZD
Retailer 8$1,109 NZD
Retailer 13$1,113 NZD
Retailer 2$1,144 NZD
Retailer 18$1,194 NZD
Retailer 21$1,502 NZD
Retailer 10$1,737 NZD
Retailer 5$1,842 NZD
Retailer 7$2,076 NZD
Retailer 15$2,161 NZD
Retailer 19$2,482 NZD
Retailer 20$2,563 NZD
Retailer 17$2,587 NZD
Retailer 12$2,647 NZD
Retailer 4$4,045 NZD
Brilliant Earth$4,791 NZD

36 data points across 22 retailers

25 retailers$520 NZD to $4,791 NZD

A
Cheapest Retailer
-
$520 NZD
$293 USD
A
Retailer 2
-
$603 NZD
$340 USD
View
A
Retailer 3
-
$612 NZD
$345 USD
View
Final sale: no returns
Retailer 4
-
$646 NZD
$364 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$646 NZD
$364 USD
View
A
Retailer 6
-
$923 NZD
$520 USD
View
A
Retailer 7
-
$1,059 NZD
$597 USD
View
A
Retailer 8
-
$1,109 NZD
$625 USD
View
A
Retailer 9
-
$1,113 NZD
ZAR 10,138 ZAR
View
A
Retailer 10
-
$1,144 NZD
£508 GBP
View
A
Retailer 11
-
$1,194 NZD
€641 EUR
View
A
Retailer 12
-
$1,502 NZD
A$1,302 AUD
View
A
Retailer 13
-
$1,737 NZD
$979 USD
View
B+
Retailer 14
-
$1,842 NZD
$1,038 USD
View
B+
Retailer 15
-
$2,076 NZD
$1,170 USD
View
B+
Retailer 16
-
$2,127 NZD
$1,199 USD
View
B+
Retailer 17
-
$2,161 NZD
$1,218 USD
View
B+
Retailer 18
-
$2,378 NZD
$1,340 USD
View
B+
Retailer 19
-
$2,482 NZD
$1,399 USD
View
B+
Retailer 20
-
$2,562 NZD
£1,137 GBP
View
B+
Retailer 21
-
$2,563 NZD
A$2,222 AUD
View
B+
Retailer 22
-
$2,587 NZD
£1,148 GBP
View
B+
Retailer 23
-
$2,647 NZD
$1,492 USD
View
Retailer 24
-
$4,045 NZD
$2,280 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
14717005A · Oct 31
$4,791 NZD
$2,700 USD
View
24 more retailers have this diamond
Prices start from $520 NZDSave up to $4,271 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
1.53ct Radiant
$520 NZD