CaratHunter
Plans
Radiant|Lab Grown|IGI

8.55ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG840656770

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

Certificate IGI LG840656770

Diamond specifications and retailer prices

From £3,778 GBP
As of October 31, 2026
Save £6,160 GBP (62%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £9,938 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 8.55ct lab-grown radiant diamond

This 8.55ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840656770 or 840656770. Listed at 10 retailers as of October 30, 2026, with prices from £3,778 to £9,938, a £6,160 spread on the same certified stone. Taylor and Hart lists it at £9,938. 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

8.55
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840656770
Dimensions15.45 × 9.74 × 6.37 mm
L/W Ratio1.59
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.45 mm9.74 mm8.55 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840656770
Side View
Table 66.0%Crown 41.4°Girdle: STK-THKPavilion 35.1°Culet: NoneDepth 65.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £4,320 GBP|Low: £2,901 GBP|High: £10,174 GBP|Avg: £6,407 GBP|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Taylor and Hart
October 31, 2026
Retailer 8£2,901 GBP
Retailer 2£3,778 GBP
Retailer 5£4,073 GBP
Retailer 1£4,320 GBP
Retailer 3£4,758 GBP
Retailer 4£7,231 GBP
Retailer 7£7,263 GBP
Retailer 6£9,015 GBP
Retailer 9£9,819 GBP
Taylor and Hart£9,938 GBP

27 data points across 10 retailers

10 retailers£3,778 GBP to £9,938 GBP

Retailer 1
-
£2,901 GBP
$3,887 USD
Price last confirmed 19 days ago
B+
Retailer 2
-
£3,778 GBP
View
B+
Retailer 3
-
£4,073 GBP
$5,458 USD
View
B+
Retailer 4
-
£4,320 GBP
€5,513 EUR
View
B+
Retailer 5
-
£4,758 GBP
ZAR 102,992 ZAR
View
B+
Retailer 6
-
£7,231 GBP
View
B
Retailer 7
-
£7,263 GBP
$9,731 USD
View
B
Retailer 8
-
£9,015 GBP
$12,079 USD
View
Retailer 9
-
£9,819 GBP
A$20,240 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Taylor and Hart
2D6WAJ5 · Oct 30
£9,938 GBP
$13,316 USD
View
9 more retailers have this diamond
Prices start from £3,778 GBPSave up to £6,160 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.

B+
8.55ct Radiant
£3,778 GBP