Radiant|Lab Grown|IGI

0.71ct F SI1 Radiant Lab Grown Diamond

VG • F/SI1 • IGI LG544251401

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

Certificate IGI LG544251401

Diamond specifications and retailer prices

From £85 GBP
$114 USD
As of November 2, 2026
Save £884 GBP (91%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £969 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.71ct lab-grown radiant diamond

This 0.71ct lab-grown radiant sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG544251401 or 544251401. Listed at 10 retailers as of November 1, 2026, with prices from £85 to £969, a £884 spread on the same certified stone. MOH London lists it at £969. 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

0.71
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544251401
Dimensions6.05 × 4.29 × 2.98 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.05 mm4.29 mm0.71 ctF / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544251401
Side View
Table 65.0%Crown 44.2°Girdle: STK-THKPavilion 31.6°Culet: NoneDepth 69.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £969 GBP|Low: £81 GBP|High: £980 GBP|Avg: £370 GBP
MOH London
Retailer 2
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November 1, 2026
Retailer 10£85 GBP
Retailer 15£95 GBP
Retailer 13£98 GBP
Retailer 11£206 GBP
Retailer 7£221 GBP
Retailer 3£227 GBP
Retailer 5£289 GBP
Retailer 9£291 GBP
Retailer 4£308 GBP
Retailer 14£321 GBP
Retailer 6£371 GBP
Retailer 12£373 GBP
Retailer 2£377 GBP
Retailer 16£417 GBP
Retailer 8£492 GBP
Retailer 17£946 GBP
MOH London£969 GBP

14 data points across 17 retailers

10 retailers£85 GBP to £969 GBP

A
Cheapest Retailer
-
£85 GBP
$114 USD
A
Retailer 2
-
£95 GBP
$127 USD
View
Final sale: no returns
A
Retailer 3
-
£98 GBP
$132 USD
View
B+
Retailer 4
-
£206 GBP
$277 USD
View
B
Retailer 5
-
£367 GBP
View
B
Retailer 6
-
£373 GBP
$501 USD
View
B
Retailer 7
-
£377 GBP
$506 USD
View
B
Retailer 8
-
£417 GBP
$560 USD
View
C
Retailer 9
-
£946 GBP
$1,270 USD
View
Most Expensive
B
MOH London
LG544251401 · Nov 1
£969 GBP
View
9 more retailers have this diamond
Prices start from £85 GBPSave up to £884 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
0.71ct Radiant
£85 GBP