CaratHunter
Plans
Radiant|Lab Grown|IGI

1.53ct D SI1 Radiant Lab Grown Diamond

D/SI1

Diamond specifications and retailer prices

From £232 GBP
As of October 30, 2026
Save £160 GBP (41%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £392 GBP at MoiMoi Australia · As of October 28, 2026
View at MoiMoi Australia

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) and certified by IGI. Listed at 2 retailers as of October 28, 2026, with prices from £232 to £392, a £160 spread on the same certified stone. MoiMoi Australia lists it at £392. 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
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.00 × 5.79 × 3.80 mm
L/W Ratio1.38
Top View
8.00 mm5.79 mm1.53 ctD / SI1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 64.5%CrownGirdle: MediumPavilionCulet: NoneDepth 65.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £392 GBP|Low: £230 GBP|High: £393 GBP|Avg: £261 GBP|-0.2%
MoiMoi Australia
Retailer 2
October 30, 2026
Retailer 2£232 GBP
MoiMoi Australia£392 GBP

33 data points across 2 retailers

2 retailers£232 GBP to £392 GBP

B+
Cheapest Retailer
-
£232 GBP
Most Expensive
B
MoiMoi Australia
873742425 · Oct 28
£392 GBP
A$808 AUD
View
1 more retailer has this diamond
Prices start from £232 GBPSave up to £160 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.

B+
1.53ct Radiant
£232 GBP