Radiant|Lab Grown|IGI

1.09ct H VS2 Radiant Lab Grown Diamond

EX • H/VS2 • IGI LG846688857

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

Certificate IGI LG846688857

Diamond specifications and retailer prices

From £107 GBP
$143 USD
As of October 30, 2026
Save £93 GBP (47%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £470 GBP at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 1.09ct lab-grown radiant diamond

This 1.09ct lab-grown radiant sits in the classic one-carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846688857 or 846688857. Listed at 3 retailers as of October 26, 2026, with a 87% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
H
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846688857
Dimensions7.45 × 5.15 × 3.41 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm5.15 mm1.09 ctH / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846688857
Side View
Table 64.0%Crown 43.7°Girdle: MediumPavilion 35.7°Culet: NoneDepth 66.2%

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 30
Current: £470 GBP|Low: £107 GBP|High: £478 GBP|Avg: £307 GBP|-1.6%
Brilliant Earth
Retailer 2
Retailer 3
October 26, 2026
Retailer 3£107 GBP
Retailer 2£200 GBP
Brilliant Earth£470 GBP

9 data points across 3 retailers

3 retailers£107 GBP to £200 GBP

A
Cheapest Retailer
-
£107 GBP
$143 USD
Final sale: no returns
A
Retailer 2
-
£200 GBP
View
Most Expensive
Brilliant Earth
22179135A · Oct 24
£470 GBP
$630 USD
View
Price last confirmed 7 days ago
2 more retailers have this diamond
Prices start from £107 GBPSave up to £93 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
1.09ct Radiant
£107 GBP