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Radiant|Lab Grown|IGI

0.98ct F SI1 Radiant Lab Grown Diamond

VG • F/SI1 • IGI LG492113693

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

Certificate IGI LG492113693

Diamond specifications and retailer prices

From £179 GBP
$240 USD
As of November 1, 2026
Save £615 GBP (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £794 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.98ct lab-grown radiant diamond

This 0.98ct lab-grown radiant sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG492113693 or 492113693. Listed at 9 retailers as of November 1, 2026, with prices from £179 to £794, a £615 spread on the same certified stone. MOH London lists it at £794. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.98
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492113693
Dimensions5.48 × 5.47 × 3.84 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.48 mm5.47 mm0.98 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492113693
Side View
Table 58.5%Crown 37.7°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 70.2%

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: Nov 1
Current: £794 GBP|Low: £128 GBP|High: £803 GBP|Avg: £380 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6£179 GBP
Retailer 5£198 GBP
Retailer 2£261 GBP
Retailer 8£277 GBP
Retailer 3£317 GBP
Retailer 4£341 GBP
Retailer 7£372 GBP
Retailer 9£661 GBP
MOH London£794 GBP

39 data points across 9 retailers

9 retailers£179 GBP to £794 GBP

A
Cheapest Retailer
-
£179 GBP
$240 USD
Final sale: no returns
Retailer 2
-
£198 GBP
$266 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
£261 GBP
View
Retailer 4
-
£277 GBP
HK$2,900 HKD
View
Price last confirmed 59 days ago
B+
Retailer 5
-
£317 GBP
$425 USD
View
B
Retailer 6
-
£341 GBP
$457 USD
View
B
Retailer 7
-
£372 GBP
$499 USD
View
Retailer 8
-
£661 GBP
SGD 1,198 SGD
View
Price last confirmed 26 days ago
Most Expensive
MOH London
LG492113693 · Nov 2
£794 GBP
View
8 more retailers have this diamond
Prices start from £179 GBPSave up to £615 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 Radiant
£179 GBP