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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 $419 AUD
$294 USD
As of October 30, 2026
Save $3,667 AUD (90%) vs most expensive(unlock to see where)
33 retailers carry this diamond
Most expensive: $4,086 AUD at Brilliant Earth · As of October 30, 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 $419 to $4,086, a $3,667 spread on the same certified stone. Brilliant Earth lists it at $4,086. 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

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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: $4,086 AUD|Low: $419 AUD|High: $4,712 AUD|Avg: $1,619 AUD|-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$419 AUD
Retailer 11$500 AUD
Retailer 17$515 AUD
Retailer 19$607 AUD
Retailer 5$740 AUD
Retailer 23$765 AUD
Retailer 9$809 AUD
Retailer 12$890 AUD
Retailer 13$930 AUD
Retailer 21$984 AUD
Retailer 2$1,023 AUD
Retailer 10$1,149 AUD
Retailer 14$1,294 AUD
Retailer 20$1,334 AUD
Retailer 3$1,593 AUD
Retailer 4$1,994 AUD
Retailer 15$2,071 AUD
Retailer 7$2,120 AUD
Retailer 16$2,210 AUD
Retailer 22$2,298 AUD
Retailer 18$2,351 AUD
Retailer 24$3,495 AUD
Retailer 6$3,716 AUD
Brilliant Earth$4,086 AUD

36 data points across 24 retailers

33 retailers$419 AUD to $4,086 AUD

A
Cheapest Retailer
-
$419 AUD
$294 USD
Retailer 2
-
$419 AUD
$294 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$444 AUD
$312 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
$500 AUD
$351 USD
View
Final sale: no returns
Retailer 5
-
$515 AUD
$362 USD
View
Price last confirmed 34 days ago
Retailer 6
-
$518 AUD
$364 USD
View
Price last confirmed 28 days ago
Retailer 7
-
$544 AUD
$382 USD
View
Price last confirmed 33 days ago
A
Retailer 8
-
$607 AUD
£336 GBP
View
A
Retailer 9
-
$740 AUD
$520 USD
View
A
Retailer 10
-
$765 AUD
HK$4,200 HKD
View
A
Retailer 11
-
$809 AUD
$568 USD
View
A
Retailer 12
-
$890 AUD
$625 USD
View
A
Retailer 13
-
$930 AUD
€622 EUR
View
A
Retailer 14
-
$984 AUD
ZAR 11,165 ZAR
View
Retailer 15
-
$1,011 AUD
£559 GBP
View
Price last confirmed 16 days ago
A
Retailer 16
-
$1,023 AUD
£566 GBP
View
A
Retailer 17
-
$1,149 AUD
$807 USD
View
A
Retailer 18
-
$1,294 AUD
$909 USD
View
A
Retailer 19
-
$1,334 AUD
View
B+
Retailer 20
-
$1,593 AUD
$1,119 USD
View
Retailer 21
-
$1,841 AUD
$1,293 USD
View
Price last confirmed 21 days ago
B+
Retailer 22
-
$1,841 AUD
$1,293 USD
View
Retailer 23
-
$1,957 AUD
$1,375 USD
View
Price last confirmed 31 days ago
B+
Retailer 24
-
$1,994 AUD
$1,401 USD
View
B+
Retailer 25
-
$2,071 AUD
$1,454 USD
View
B+
Retailer 26
-
$2,120 AUD
$1,489 USD
View
B+
Retailer 27
-
$2,210 AUD
SGD 2,098 SGD
View
B+
Retailer 28
-
$2,298 AUD
£1,271 GBP
View
B+
Retailer 29
-
$2,351 AUD
View
B
Retailer 30
-
$3,495 AUD
$2,455 USD
View
B
Retailer 31
-
$3,716 AUD
$2,610 USD
View
B
Retailer 32
-
$3,788 AUD
$2,661 USD
View
Most Expensive
B
Brilliant Earth
18652906Y · Oct 30
$4,086 AUD
$2,870 USD
View
32 more retailers have this diamond
Prices start from $419 AUDSave up to $3,667 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
1.53ct Radiant
$419 AUD