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Radiant|Lab Grown|IGI

7.77ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG843655417

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

Certificate IGI LG843655417

Diamond specifications and retailer prices

From £2,299 GBP
$3,081 USD
As of October 30, 2026
Save £7,517 GBP (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £9,816 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 7.77ct lab-grown radiant diamond

This 7.77ct 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 LG843655417 or 843655417. Listed at 20 retailers as of October 30, 2026, with prices from £2,299 to £9,816, a £7,517 spread on the same certified stone. With Clarity lists it at £9,816. 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

7.77
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle31.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843655417
Dimensions14.86 × 9.33 × 6.09 mm
L/W Ratio1.59
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.86 mm9.33 mm7.77 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843655417
Side View
Table 67.0%Crown 46°Girdle: Slightly ThickPavilion 31.3°Culet: NoneDepth 65.3%

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: £3,754 GBP|Low: £2,299 GBP|High: £10,249 GBP|Avg: £4,886 GBP|-3.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
With Clarity
October 31, 2026
Retailer 14£2,299 GBP
Retailer 8£2,515 GBP
Retailer 13£2,575 GBP
Retailer 2£2,667 GBP
Retailer 3£2,784 GBP
Retailer 12£2,838 GBP
Retailer 15£3,183 GBP
Retailer 7£3,332 GBP
Retailer 16£3,536 GBP
Retailer 1£3,754 GBP
Retailer 9£3,909 GBP
Retailer 10£4,211 GBP
Retailer 4£4,606 GBP
Retailer 19£4,816 GBP
Retailer 5£6,796 GBP
Retailer 11£6,934 GBP
Retailer 18£7,538 GBP
Retailer 17£9,296 GBP
Retailer 6£9,398 GBP
With Clarity£9,816 GBP

9 data points across 20 retailers

20 retailers£2,299 GBP to £9,816 GBP

A
Cheapest Retailer
-
£2,299 GBP
$3,081 USD
A
Retailer 2
-
£2,515 GBP
$3,370 USD
View
A
Retailer 3
-
£2,575 GBP
$3,450 USD
View
Final sale: no returns
A
Retailer 4
-
£2,667 GBP
$3,574 USD
View
A
Retailer 5
-
£2,784 GBP
$3,730 USD
View
A
Retailer 6
-
£2,838 GBP
$3,803 USD
View
A
Retailer 7
-
£3,183 GBP
View
B+
Retailer 8
-
£3,332 GBP
$4,465 USD
View
B+
Retailer 9
-
£3,536 GBP
View
B+
Retailer 10
-
£3,754 GBP
$5,030 USD
View
B+
Retailer 11
-
£3,909 GBP
$5,238 USD
View
Retailer 12
-
£4,211 GBP
€5,373 EUR
View
Price last confirmed 7 days ago
B+
Retailer 13
-
£4,606 GBP
View
B+
Retailer 14
-
£4,816 GBP
ZAR 104,240 ZAR
View
B
Retailer 15
-
£6,796 GBP
View
B
Retailer 16
-
£6,934 GBP
$9,291 USD
View
B
Retailer 17
-
£7,538 GBP
$10,100 USD
View
B
Retailer 18
-
£9,296 GBP
$12,456 USD
View
B
Retailer 19
-
£9,398 GBP
SGD 17,016 SGD
View
Most Expensive
B
With Clarity
843655417 · Oct 31
£9,816 GBP
$13,153 USD
View
19 more retailers have this diamond
Prices start from £2,299 GBPSave up to £7,517 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
7.77ct Radiant
£2,299 GBP