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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 $204 USD
As of October 27, 2026
Save $1,746 USD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,950 USD 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 27, 2026, with prices from $204 to $1,950, a $1,746 spread on the same certified stone. Do Amore Diamonds lists it at $1,950. 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
Color
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 27
Current: $518 USD|Low: $162 USD|High: $1,290 USD|Avg: $642 USD|+3.9%
Retailer 1
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Retailer 5
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Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
October 29, 2026
Retailer 13$204 USD
Retailer 6$234 USD
Retailer 9$236 USD
Retailer 12$252 USD
Retailer 2$395 USD
Retailer 11$467 USD
Retailer 5$509 USD
Retailer 1$518 USD
Retailer 7$606 USD
Retailer 15$814 USD
Retailer 14$896 USD
Retailer 10$1,000 USD
Retailer 8$1,118 USD
Retailer 4$1,151 USD
Retailer 3$1,250 USD

42 data points across 15 retailers

19 retailers$204 USD to $1,950 USD

A
Cheapest Retailer
-
$204 USD
A
Retailer 2
-
$234 USD
View
Final sale: no returns
A
Retailer 3
-
$236 USD
View
A
Retailer 4
-
$252 USD
View
A
Retailer 5
-
$392 USD
View
B+
Retailer 6
-
$395 USD
View
A
Retailer 7
-
$397 USD
HK$3,100 HKD
View
A
Retailer 8
-
$467 USD
€445 EUR
View
B+
Retailer 9
-
$509 USD
View
A
Retailer 10
-
$518 USD
£408 GBP
View
B+
Retailer 11
-
$606 USD
View
B
Retailer 12
-
$814 USD
View
B
Retailer 13
-
$868 USD
£684 GBP
View
B
Retailer 14
-
$896 USD
View
B
Retailer 15
-
$1,000 USD
View
B
Retailer 16
-
$1,118 USD
£880 GBP
View
B
Retailer 17
-
$1,151 USD
SGD 1,556 SGD
View
B
Retailer 18
-
$1,250 USD
View
Most Expensive
B
Do Amore Diamonds
27-A37CF666F · Oct 29
$1,950 USD
View
18 more retailers have this diamond
Prices start from $204 USDSave up to $1,746 USD

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
$204 USD