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0.87ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG660448979

Shape and cutting style on the report: Round brilliant

Certificate IGI LG660448979

Diamond specifications and retailer prices

From £85 GBP
$113 USD
As of October 29, 2026
Save £794 GBP (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £879 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.87ct lab-grown round diamond

This 0.87ct lab-grown round sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660448979 or 660448979. Listed at 10 retailers as of October 29, 2026, with prices from £85 to £879, a £794 spread on the same certified stone. MOH London lists it at £879. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660448979
Dimensions6.18 × 6.20 × 3.72 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.18 mm6.20 mm0.87 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660448979
Side View
Table 59.0%Crown 33.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £879 GBP|Low: £85 GBP|High: £879 GBP|Avg: £279 GBP
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 29, 2026
Retailer 7£85 GBP
Retailer 12£125 GBP
Retailer 4£177 GBP
Retailer 6£193 GBP
Retailer 10£201 GBP
Retailer 8£205 GBP
Retailer 11£207 GBP
Retailer 2£210 GBP
Retailer 9£288 GBP
Retailer 13£337 GBP
Retailer 3£423 GBP
Retailer 5£496 GBP
MOH London£879 GBP

3 data points across 13 retailers

10 retailers£85 GBP to £879 GBP

A
Cheapest Retailer
-
£85 GBP
$113 USD
A
Retailer 2
-
£125 GBP
HK$1,300 HKD
View
A
Retailer 3
-
£193 GBP
€245 EUR
View
A
Retailer 4
-
£201 GBP
$268 USD
View
A
Retailer 5
-
£205 GBP
View
A
Retailer 6
-
£207 GBP
$275 USD
View
A
Retailer 7
-
£210 GBP
View
B+
Retailer 8
-
£288 GBP
$383 USD
View
B+
Retailer 9
-
£337 GBP
$449 USD
View
Most Expensive
B
MOH London
LG660448979 · Oct 29
£879 GBP
View
9 more retailers have this diamond
Prices start from £85 GBPSave up to £794 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 Round
£85 GBP