Radiant|Lab Grown|IGI

0.98ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG636433420

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

Certificate IGI LG636433420

Diamond specifications and retailer prices

From £289 GBP
As of October 31, 2026
Save £66 GBP (19%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £354 GBP at MD Diamonds and Jewellers · As of October 29, 2026
View at MD Diamonds and Jewellers

About this 0.98ct lab-grown radiant diamond

This 0.98ct lab-grown radiant sits in the just-under-one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG636433420 or 636433420. Listed at 2 retailers as of October 29, 2026, with prices from £289 to £354, a £66 spread on the same certified stone. MD Diamonds and Jewellers lists it at £354. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.98
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636433420
Dimensions6.86 × 4.98 × 3.39 mm
L/W Ratio1.38
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.86 mm4.98 mm0.98 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636433420
Side View
Table 63.0%Crown 44.1°Girdle: MediumPavilion 35.5°Culet: NoneDepth 68.1%

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 31
Current: £354 GBP|Low: £78 GBP|High: £739 GBP|Avg: £328 GBP
MD Diamonds and Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
March 17, 2026
Retailer 2£102 GBP
Retailer 5£166 GBP
Retailer 4£177 GBP
Retailer 3£199 GBP
MD Diamonds and Jewellers£354 GBP
Retailer 7£379 GBP
Retailer 6£512 GBP

49 data points across 7 retailers

2 retailers£289 GBP to £354 GBP

A
Cheapest Retailer
-
£289 GBP
Most Expensive
B+
MD Diamonds and Jewellers
LG636433420 · Oct 29
£354 GBP
View
1 more retailer has this diamond
Prices start from £289 GBPSave up to £66 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
£289 GBP