Round|Lab Grown|IGI

0.71ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG648411867

Shape and cutting style on the report: Round brilliant

Certificate IGI LG648411867

Diamond specifications and retailer prices

From £619 GBP
€785 EUR
As of October 28, 2026
Save £349 GBP (36%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £968 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.71ct lab-grown round diamond

This 0.71ct lab-grown round sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG648411867 or 648411867. Listed at 2 retailers as of October 28, 2026, with prices from £619 to £968, a £349 spread on the same certified stone. MOH London lists it at £968. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.71
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648411867
Dimensions5.59 × 5.68 × 3.53 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizeNone
Top View
5.59 mm5.68 mm0.71 ctJ / SI2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG648411867
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

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 28
Current: £968 GBP|Low: £543 GBP|High: £974 GBP|Avg: £710 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
October 29, 2026
Retailer 3£550 GBP
Retailer 2£619 GBP
MOH London£968 GBP

18 data points across 3 retailers

2 retailers£619 GBP to £968 GBP

B+
Cheapest Retailer
-
£619 GBP
€785 EUR
Most Expensive
B
MOH London
CA8111C4D · Oct 29
£968 GBP
View
1 more retailer has this diamond
Prices start from £619 GBPSave up to £349 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 Round
£619 GBP