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Radiant|Lab Grown|IGI

0.84ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG550231591

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

Certificate IGI LG550231591

Diamond specifications and retailer prices

From £90 GBP
$121 USD
As of October 30, 2026
Save £941 GBP (91%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,031 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.84ct lab-grown radiant diamond

This 0.84ct lab-grown radiant sits in the just-under-one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG550231591 or 550231591. Listed at 12 retailers as of October 26, 2026, with prices from £90 to £1,031, a £941 spread on the same certified stone. MOH London lists it at £1,031. 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

0.84
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG550231591
Dimensions6.78 × 4.64 × 3.08 mm
L/W Ratio1.46
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
6.78 mm4.64 mm0.84 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG550231591
Side View
Table 64.0%Crown 41.2°Girdle: Slightly ThickPavilion 35.8°Culet: NoneDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,031 GBP|Low: £87 GBP|High: £1,041 GBP|Avg: £404 GBP|+0.1%
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
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Retailer 15
October 30, 2026
Retailer 9£90 GBP
Retailer 13£104 GBP
Retailer 15£169 GBP
Retailer 2£176 GBP
Retailer 4£197 GBP
Retailer 11£217 GBP
Retailer 14£323 GBP
Retailer 6£326 GBP
Retailer 7£364 GBP
Retailer 10£396 GBP
Retailer 8£401 GBP
Retailer 5£440 GBP
Retailer 12£642 GBP
Retailer 3£1,008 GBP
MOH London£1,031 GBP

21 data points across 15 retailers

12 retailers£90 GBP to £1,031 GBP

A
Cheapest Retailer
-
£90 GBP
$121 USD
A
Retailer 2
-
£104 GBP
$140 USD
View
A
Retailer 3
-
£176 GBP
View
A
Retailer 4
-
£217 GBP
$291 USD
View
B+
Retailer 5
-
£323 GBP
$433 USD
View
B+
Retailer 6
-
£364 GBP
View
B
Retailer 7
-
£396 GBP
$531 USD
View
B
Retailer 8
-
£401 GBP
$537 USD
View
B
Retailer 9
-
£440 GBP
$590 USD
View
B
Retailer 10
-
£642 GBP
$860 USD
View
B
Retailer 11
-
£1,008 GBP
$1,350 USD
View
Most Expensive
B
MOH London
LG550231591 · Oct 26
£1,031 GBP
View
11 more retailers have this diamond
Prices start from £90 GBPSave up to £941 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
0.84ct Radiant
£90 GBP