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Radiant|Lab Grown|IGI

1.53ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG524247378

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

Certificate IGI LG524247378

Diamond specifications and retailer prices

From $290 AUD
$204 USD
As of October 30, 2026
Save $2,486 AUD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,776 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG524247378 or 524247378. Listed at 19 retailers as of October 29, 2026, with prices from $290 to $2,776, a $2,486 spread on the same certified stone. Do Amore Diamonds lists it at $2,776. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.53
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG524247378
Dimensions8.00 × 5.79 × 3.80 mm
L/W Ratio1.38
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
8.00 mm5.79 mm1.53 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG524247378
Side View
Table 64.5%Crown 45.7°Girdle: MediumPavilion 34.1°Culet: NoneDepth 65.6%

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: $739 AUD|Low: $231 AUD|High: $1,836 AUD|Avg: $916 AUD|+4.3%
Retailer 1
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
October 30, 2026
Retailer 13$290 AUD
Retailer 6$333 AUD
Retailer 9$336 AUD
Retailer 12$359 AUD
Retailer 2$562 AUD
Retailer 11$665 AUD
Retailer 5$725 AUD
Retailer 1$739 AUD
Retailer 7$863 AUD
Retailer 15$1,159 AUD
Retailer 14$1,276 AUD
Retailer 10$1,424 AUD
Retailer 8$1,591 AUD
Retailer 4$1,639 AUD
Retailer 3$1,780 AUD

43 data points across 15 retailers

19 retailers$290 AUD to $2,776 AUD

A
Cheapest Retailer
-
$290 AUD
$204 USD
A
Retailer 2
-
$333 AUD
$234 USD
View
Final sale: no returns
A
Retailer 3
-
$336 AUD
$236 USD
View
A
Retailer 4
-
$359 AUD
$252 USD
View
A
Retailer 5
-
$558 AUD
$392 USD
View
B+
Retailer 6
-
$562 AUD
$395 USD
View
A
Retailer 7
-
$565 AUD
HK$3,100 HKD
View
Retailer 8
-
$665 AUD
€445 EUR
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$725 AUD
$509 USD
View
A
Retailer 10
-
$739 AUD
£409 GBP
View
B+
Retailer 11
-
$863 AUD
$606 USD
View
B
Retailer 12
-
$1,159 AUD
$814 USD
View
B
Retailer 13
-
$1,236 AUD
£684 GBP
View
B
Retailer 14
-
$1,276 AUD
$896 USD
View
B
Retailer 15
-
$1,424 AUD
$1,000 USD
View
B
Retailer 16
-
$1,591 AUD
£880 GBP
View
B
Retailer 17
-
$1,639 AUD
SGD 1,556 SGD
View
B
Retailer 18
-
$1,780 AUD
$1,250 USD
View
Most Expensive
B
Do Amore Diamonds
27-A37CF666F · Oct 29
$2,776 AUD
$1,950 USD
View
18 more retailers have this diamond
Prices start from $290 AUDSave up to $2,486 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
$290 AUD