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0.98ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG718506242

Shape and cutting style on the report: Round brilliant

Certificate IGI LG718506242

Diamond specifications and retailer prices

From £162 GBP
HK$1,700 HKD
As of October 30, 2026
Save £504 GBP (76%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £666 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 0.98ct lab-grown round diamond

This 0.98ct 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 LG718506242 or 718506242. Listed at 8 retailers as of October 25, 2026, with prices from £162 to £666, a £504 spread on the same certified stone. MOH London lists it at £666. 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

0.98
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG718506242
Dimensions6.39 × 6.41 × 3.91 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.39 mm6.41 mm0.98 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG718506242
Side View
Table 60.0%Crown 32.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
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: £666 GBP|Low: £193 GBP|High: £673 GBP|Avg: £308 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 5£193 GBP
Retailer 7£231 GBP
Retailer 3£242 GBP
Retailer 2£247 GBP
Retailer 4£287 GBP
Retailer 6£323 GBP
MOH London£666 GBP

40 data points across 7 retailers

8 retailers£162 GBP to £666 GBP

A
Cheapest Retailer
-
£162 GBP
HK$1,700 HKD
B+
Retailer 2
-
£193 GBP
$258 USD
View
A
Retailer 3
-
£231 GBP
$310 USD
View
A
Retailer 4
-
£242 GBP
€309 EUR
View
A
Retailer 5
-
£247 GBP
View
Retailer 6
-
£287 GBP
$385 USD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
£323 GBP
$433 USD
View
Most Expensive
B
MOH London
LG718506242 · Oct 25
£666 GBP
View
7 more retailers have this diamond
Prices start from £162 GBPSave up to £504 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
0.98ct Round
£162 GBP