Radiant|Lab Grown|IGI

0.87ct H SI2 Radiant Lab Grown Diamond

ID • H/SI2 • IGI LG515230184

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

Certificate IGI LG515230184

Diamond specifications and retailer prices

From £114 GBP
$153 USD
As of October 30, 2026
Save £617 GBP (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £731 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.87ct lab-grown radiant diamond

This 0.87ct lab-grown radiant sits in the just-under-one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG515230184 or 515230184. Listed at 11 retailers as of October 26, 2026, with prices from £114 to £731, a £617 spread on the same certified stone. MOH London lists it at £731. 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

0.87
Carat
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515230184
Dimensions6.84 × 4.62 × 3.16 mm
L/W Ratio1.48
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
6.84 mm4.62 mm0.87 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515230184
Side View
Table 65.5%Crown 44.5°Girdle: STK-THKPavilion 33.7°Culet: NoneDepth 68.4%

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: £731 GBP|Low: £114 GBP|High: £738 GBP|Avg: £335 GBP|-0.8%
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
Retailer 14
October 31, 2026
Retailer 13£114 GBP
Retailer 9£132 GBP
Retailer 12£141 GBP
Retailer 14£141 GBP
Retailer 7£244 GBP
Retailer 11£258 GBP
Retailer 6£264 GBP
Retailer 4£289 GBP
Retailer 2£358 GBP
Retailer 10£375 GBP
Retailer 8£480 GBP
Retailer 3£502 GBP
Retailer 5£522 GBP
MOH London£731 GBP

22 data points across 14 retailers

11 retailers£114 GBP to £731 GBP

A
Cheapest Retailer
-
£114 GBP
$153 USD
A
Retailer 2
-
£132 GBP
$177 USD
View
A
Retailer 3
-
£141 GBP
$189 USD
View
A
Retailer 4
-
£141 GBP
$189 USD
View
A
Retailer 5
-
£244 GBP
View
A
Retailer 6
-
£258 GBP
$346 USD
View
B+
Retailer 7
-
£358 GBP
$480 USD
View
B+
Retailer 8
-
£375 GBP
$502 USD
View
B
Retailer 9
-
£480 GBP
$643 USD
View
B
Retailer 10
-
£502 GBP
$672 USD
View
Most Expensive
B
MOH London
LG515230184 · Oct 26
£731 GBP
View
10 more retailers have this diamond
Prices start from £114 GBPSave up to £617 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
0.87ct Radiant
£114 GBP