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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 £153 GBP
$204 USD
As of October 30, 2026
Save £1,311 GBP (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,464 GBP 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 £153 to £1,464, a £1,311 spread on the same certified stone. Do Amore Diamonds lists it at £1,464. 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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Price History

Last verified: Oct 30
Current: £390 GBP|Low: £122 GBP|High: £969 GBP|Avg: £483 GBP|+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£153 GBP
Retailer 6£176 GBP
Retailer 9£177 GBP
Retailer 12£189 GBP
Retailer 2£297 GBP
Retailer 11£351 GBP
Retailer 5£382 GBP
Retailer 1£390 GBP
Retailer 7£455 GBP
Retailer 15£611 GBP
Retailer 14£673 GBP
Retailer 10£751 GBP
Retailer 8£839 GBP
Retailer 4£865 GBP
Retailer 3£939 GBP

43 data points across 15 retailers

19 retailers£153 GBP to £1,464 GBP

A
Cheapest Retailer
-
£153 GBP
$204 USD
A
Retailer 2
-
£176 GBP
$234 USD
View
Final sale: no returns
A
Retailer 3
-
£177 GBP
$236 USD
View
A
Retailer 4
-
£189 GBP
$252 USD
View
A
Retailer 5
-
£294 GBP
$392 USD
View
B+
Retailer 6
-
£297 GBP
$395 USD
View
A
Retailer 7
-
£298 GBP
HK$3,100 HKD
View
A
Retailer 8
-
£351 GBP
€445 EUR
View
B+
Retailer 9
-
£382 GBP
$509 USD
View
A
Retailer 10
-
£390 GBP
View
B+
Retailer 11
-
£455 GBP
$606 USD
View
B
Retailer 12
-
£611 GBP
$814 USD
View
B
Retailer 13
-
£652 GBP
View
B
Retailer 14
-
£673 GBP
$896 USD
View
B
Retailer 15
-
£751 GBP
$1,000 USD
View
B
Retailer 16
-
£839 GBP
View
B
Retailer 17
-
£865 GBP
SGD 1,556 SGD
View
B
Retailer 18
-
£939 GBP
$1,250 USD
View
Most Expensive
B
Do Amore Diamonds
27-A37CF666F · Oct 29
£1,464 GBP
$1,950 USD
View
18 more retailers have this diamond
Prices start from £153 GBPSave up to £1,311 GBP

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
£153 GBP