Radiant|Lab Grown|IGI

10.73ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG846698278

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

Certificate IGI LG846698278

Diamond specifications and retailer prices

From £2,320 GBP
$3,108 USD
As of November 1, 2026
Save £9,555 GBP (80%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £11,874 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 10.73ct lab-grown radiant diamond

This 10.73ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846698278 or 846698278. Listed at 5 retailers as of October 26, 2026, with prices from £2,320 to £11,874, a £9,555 spread on the same certified stone. Brilliant Earth lists it at £11,874. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

10.73
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846698278
Dimensions15.68 × 10.93 × 7.52 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.68 mm10.93 mm10.73 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846698278
Side View
Table 62.0%Crown 39.9°Girdle: MediumPavilion 37.2°CuletDepth 68.8%

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: Nov 1
Current: £11,874 GBP|Low: £2,320 GBP|High: £12,031 GBP|Avg: £4,889 GBP|-1.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 2£2,320 GBP
Retailer 4£2,320 GBP
Retailer 5£2,732 GBP
Retailer 3£2,738 GBP
Brilliant Earth£11,874 GBP

7 data points across 5 retailers

5 retailers£2,320 GBP to £11,874 GBP

B+
Cheapest Retailer
-
£2,320 GBP
$3,108 USD
A
Retailer 2
-
£2,320 GBP
$3,109 USD
View
Retailer 3
-
£2,732 GBP
€3,486 EUR
View
Price last confirmed 9 days ago
A
Retailer 4
-
£2,738 GBP
A$5,643 AUD
View
Most Expensive
B
Brilliant Earth
22183043A · Oct 26
£11,874 GBP
$15,910 USD
View
4 more retailers have this diamond
Prices start from £2,320 GBPSave up to £9,555 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
10.73ct Radiant
£2,320 GBP