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Radiant|Lab Grown|IGI

1.53ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG754509091

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

Certificate IGI LG754509091

Diamond specifications and retailer prices

From $522 NZD
$294 USD
As of October 30, 2026
Save $4,571 NZD (90%) vs most expensive(unlock to see where)
33 retailers carry this diamond
Most expensive: $5,092 NZD at Brilliant Earth · As of November 1, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754509091 or 754509091. Listed at 33 retailers as of October 30, 2026, with prices from $522 to $5,092, a $4,571 spread on the same certified stone. Brilliant Earth lists it at $5,092. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754509091
Dimensions5.69 × 5.69 × 3.71 mm
L/W Ratio1.00
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
5.69 mm5.69 mm1.53 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754509091
Side View
Table 63.0%Crown 42°Girdle: MED-STKPavilion 33.5°Culet: NoneDepth 65.2%

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: $5,092 NZD|Low: $522 NZD|High: $5,873 NZD|Avg: $2,023 NZD|-13.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 1, 2026
Retailer 8$522 NZD
Retailer 11$623 NZD
Retailer 17$642 NZD
Retailer 2$755 NZD
Retailer 5$923 NZD
Retailer 23$954 NZD
Retailer 9$1,008 NZD
Retailer 12$1,109 NZD
Retailer 18$1,159 NZD
Retailer 21$1,226 NZD
Retailer 13$1,275 NZD
Retailer 10$1,432 NZD
Retailer 14$1,613 NZD
Retailer 20$1,663 NZD
Retailer 3$1,985 NZD
Retailer 4$2,486 NZD
Retailer 15$2,581 NZD
Retailer 7$2,642 NZD
Retailer 16$2,755 NZD
Retailer 22$2,864 NZD
Retailer 19$2,931 NZD
Retailer 24$4,356 NZD
Retailer 6$4,631 NZD
Brilliant Earth$5,092 NZD

36 data points across 24 retailers

33 retailers$522 NZD to $5,092 NZD

A
Cheapest Retailer
-
$522 NZD
$294 USD
Retailer 2
-
$522 NZD
$294 USD
View
Price last confirmed 24 days ago
Retailer 3
-
$554 NZD
$312 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
$623 NZD
$351 USD
View
Final sale: no returns
Retailer 5
-
$642 NZD
$362 USD
View
Price last confirmed 35 days ago
Retailer 6
-
$646 NZD
$364 USD
View
Price last confirmed 29 days ago
Retailer 7
-
$678 NZD
$382 USD
View
Price last confirmed 34 days ago
A
Retailer 8
-
$755 NZD
£335 GBP
View
A
Retailer 9
-
$923 NZD
$520 USD
View
A
Retailer 10
-
$954 NZD
HK$4,200 HKD
View
A
Retailer 11
-
$1,008 NZD
$568 USD
View
A
Retailer 12
-
$1,109 NZD
$625 USD
View
A
Retailer 13
-
$1,159 NZD
€622 EUR
View
A
Retailer 14
-
$1,226 NZD
ZAR 11,165 ZAR
View
Retailer 15
-
$1,260 NZD
£559 GBP
View
Price last confirmed 17 days ago
A
Retailer 16
-
$1,275 NZD
£566 GBP
View
A
Retailer 17
-
$1,432 NZD
$807 USD
View
A
Retailer 18
-
$1,613 NZD
$909 USD
View
A
Retailer 19
-
$1,663 NZD
A$1,442 AUD
View
B+
Retailer 20
-
$1,985 NZD
$1,119 USD
View
Retailer 21
-
$2,294 NZD
$1,293 USD
View
Price last confirmed 22 days ago
B+
Retailer 22
-
$2,294 NZD
$1,293 USD
View
Retailer 23
-
$2,440 NZD
$1,375 USD
View
Price last confirmed 32 days ago
B+
Retailer 24
-
$2,486 NZD
$1,401 USD
View
B+
Retailer 25
-
$2,581 NZD
$1,454 USD
View
B+
Retailer 26
-
$2,642 NZD
$1,489 USD
View
B+
Retailer 27
-
$2,755 NZD
SGD 2,098 SGD
View
B+
Retailer 28
-
$2,864 NZD
£1,271 GBP
View
B+
Retailer 29
-
$2,931 NZD
A$2,541 AUD
View
B
Retailer 30
-
$4,356 NZD
$2,455 USD
View
B
Retailer 31
-
$4,631 NZD
$2,610 USD
View
B
Retailer 32
-
$4,721 NZD
$2,661 USD
View
Most Expensive
B
Brilliant Earth
18652906Y · Nov 1
$5,092 NZD
$2,870 USD
View
32 more retailers have this diamond
Prices start from $522 NZDSave up to $4,571 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
$522 NZD