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Radiant|Lab Grown|IGI

1.53ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG564354413

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

Certificate IGI LG564354413

Diamond specifications and retailer prices

From £244 GBP
As of October 30, 2026
Save £632 GBP (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £876 GBP at MOH London · As of October 26, 2026
View at MOH London

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 very-good cut grade and certified by IGI LG564354413 or 564354413. Listed at 13 retailers as of October 26, 2026, with prices from £244 to £876, a £632 spread on the same certified stone. MOH London lists it at £876. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.53
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG564354413
Dimensions7.87 × 5.68 × 3.92 mm
L/W Ratio1.39
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
7.87 mm5.68 mm1.53 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG564354413
Side View
Table 65.0%Crown 43.1°Girdle: MED-STKPavilion 32.4°Culet: NoneDepth 69.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £876 GBP|Low: £176 GBP|High: £963 GBP|Avg: £434 GBP|-9.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 9£176 GBP
Retailer 7£204 GBP
Retailer 3£219 GBP
Retailer 11£219 GBP
Retailer 6£244 GBP
Retailer 13£369 GBP
Retailer 8£385 GBP
Retailer 5£392 GBP
Retailer 2£409 GBP
Retailer 10£463 GBP
Retailer 12£705 GBP
Retailer 4£741 GBP
MOH London£876 GBP

42 data points across 13 retailers

13 retailers£244 GBP to £876 GBP

Retailer 1
-
£176 GBP
$236 USD
Price last confirmed 12 days ago
Retailer 2
-
£204 GBP
$274 USD
View
Price last confirmed 11 days ago
Retailer 3
-
£219 GBP
$293 USD
View
Price last confirmed 15 days ago
Retailer 4
-
£219 GBP
$293 USD
View
Price last confirmed 12 days ago
Retailer 5
-
£234 GBP
$314 USD
View
Price last confirmed 36 days ago
A
Retailer 6
-
£244 GBP
View
B+
Retailer 7
-
£369 GBP
$495 USD
View
B+
Retailer 8
-
£385 GBP
$516 USD
View
B+
Retailer 9
-
£409 GBP
View
B+
Retailer 10
-
£463 GBP
$620 USD
View
B
Retailer 11
-
£705 GBP
$944 USD
View
B
Retailer 12
-
£741 GBP
$992 USD
View
Most Expensive
B
MOH London
LG564354413 · Oct 26
£876 GBP
View
12 more retailers have this diamond
Prices start from £244 GBPSave up to £632 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
£244 GBP