CaratHunter
Plans
Radiant|Lab Grown|IGI

1.53ct F SI1 Radiant Lab Grown Diamond

VG • F/SI1 • IGI LG729516049

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

Certificate IGI LG729516049

Diamond specifications and retailer prices

From £147 GBP
As of November 6, 2026
Save £705 GBP (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £852 GBP at MOH London · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG729516049 or 729516049. Listed at 16 retailers as of November 2, 2026, with prices from £147 to £852, a £705 spread on the same certified stone. MOH London lists it at £852. 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
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.7°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729516049
Dimensions7.56 × 5.70 × 4.04 mm
L/W Ratio1.33
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.56 mm5.70 mm1.53 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729516049
Side View
Table 65.0%Crown 46.7°Girdle: STK-THKPavilion 36.2°Culet: NoneDepth 70.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £852 GBP|Low: £141 GBP|High: £862 GBP|Avg: £430 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5£147 GBP
Retailer 10£164 GBP
Retailer 7£182 GBP
Retailer 8£317 GBP
Retailer 2£329 GBP
Retailer 9£431 GBP
Retailer 4£469 GBP
Retailer 3£538 GBP
Retailer 6£762 GBP
MOH London£852 GBP

44 data points across 10 retailers

16 retailers£147 GBP to £852 GBP

A
Cheapest Retailer
-
£147 GBP
A
Retailer 2
-
£164 GBP
View
Final sale: no returns
A
Retailer 3
-
£170 GBP
View
A
Retailer 4
-
£182 GBP
View
Retailer 5
-
£182 GBP
View
Price last confirmed 13 days ago
B+
Retailer 6
-
£317 GBP
View
A
Retailer 7
-
£329 GBP
View
B+
Retailer 8
-
£353 GBP
View
B+
Retailer 9
-
£431 GBP
View
B+
Retailer 10
-
£469 GBP
View
B+
Retailer 11
-
£538 GBP
View
B
Retailer 12
-
£586 GBP
View
B
Retailer 13
-
£625 GBP
View
B
Retailer 14
-
£762 GBP
View
B
Retailer 15
-
£762 GBP
View
Most Expensive
B
MOH London
LG729516049 · Nov 2
£852 GBP
View
15 more retailers have this diamond
Prices start from £147 GBPSave up to £705 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
£147 GBP