Radiant|Lab Grown|IGI

0.71ct H SI2 Radiant Lab Grown Diamond

VG • H/SI2 • IGI LG407944633

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

Certificate IGI LG407944633

Diamond specifications and retailer prices

From £294 GBP
$392 USD
As of October 30, 2026
Save £1,141 GBP (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,435 GBP at MOH London · As of October 29, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG407944633 or 407944633. Listed at 11 retailers as of October 29, 2026, with prices from £294 to £1,435, a £1,141 spread on the same certified stone. MOH London lists it at £1,435. 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
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle34.9°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407944633
Dimensions6.44 × 4.17 × 3.06 mm
L/W Ratio1.54
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.44 mm4.17 mm0.71 ctH / SI2
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG407944633
Side View
Table 58.5%Crown 34.9°Girdle: MED-STKPavilion 32.8°Culet: NoneDepth 73.4%

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: £1,435 GBP|Low: £283 GBP|High: £1,445 GBP|Avg: £604 GBP|+0.5%
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 25, 2026
Retailer 7£294 GBP
Retailer 3£329 GBP
Retailer 12£330 GBP
Retailer 5£332 GBP
Retailer 9£366 GBP
Retailer 13£366 GBP
Retailer 8£375 GBP
Retailer 11£580 GBP
Retailer 2£647 GBP
Retailer 4£653 GBP
Retailer 6£1,025 GBP
Retailer 10£1,174 GBP
MOH London£1,435 GBP

20 data points across 13 retailers

11 retailers£294 GBP to £1,435 GBP

B+
Cheapest Retailer
-
£294 GBP
$392 USD
B+
Retailer 2
-
£329 GBP
$438 USD
View
Final sale: no returns
B+
Retailer 3
-
£330 GBP
$439 USD
View
B
Retailer 4
-
£366 GBP
$487 USD
View
B
Retailer 5
-
£366 GBP
$487 USD
View
B
Retailer 6
-
£375 GBP
$500 USD
View
B
Retailer 7
-
£580 GBP
$773 USD
View
B
Retailer 8
-
£647 GBP
€821 EUR
View
C
Retailer 9
-
£1,025 GBP
$1,365 USD
View
C
Retailer 10
-
£1,174 GBP
$1,564 USD
View
Most Expensive
C
MOH London
LG407944633 · Oct 29
£1,435 GBP
View
10 more retailers have this diamond
Prices start from £294 GBPSave up to £1,141 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+
0.71ct Radiant
£294 GBP