Radiant|Lab Grown|IGI

7.77ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG841650855

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

Certificate IGI LG841650855

Diamond specifications and retailer prices

From £2,361 GBP
$3,163 USD
As of October 30, 2026
Save £7,739 GBP (77%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £10,784 GBP at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

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 LG841650855 or 841650855. Listed at 24 retailers as of October 30, 2026, with a 328% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841650855
Dimensions14.16 × 9.60 × 6.44 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.16 mm9.60 mm7.77 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841650855
Side View
Table 66.0%Crown 42.2°Girdle: Slightly ThickPavilion 34.9°Culet: NoneDepth 67.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £3,855 GBP|Low: £2,361 GBP|High: £10,269 GBP|Avg: £4,841 GBP|-2.0%
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
Retailer 20
Retailer 21
October 31, 2026
Retailer 15£2,361 GBP
Retailer 7£2,569 GBP
Retailer 5£2,644 GBP
Retailer 19£2,738 GBP
Retailer 8£2,855 GBP
Retailer 12£2,865 GBP
Retailer 16£3,268 GBP
Retailer 3£3,422 GBP
Retailer 17£3,638 GBP
Retailer 1£3,855 GBP
Retailer 11£3,944 GBP
Retailer 13£4,196 GBP
Retailer 20£4,732 GBP
Retailer 18£4,945 GBP
Retailer 14£5,151 GBP
Retailer 2£6,575 GBP
Retailer 21£6,979 GBP
Retailer 6£7,560 GBP
Retailer 9£9,220 GBP
Retailer 10£9,565 GBP
Retailer 4£10,099 GBP

19 data points across 21 retailers

24 retailers£2,361 GBP to £10,099 GBP

A
Cheapest Retailer
-
£2,361 GBP
$3,163 USD
A
Retailer 2
-
£2,569 GBP
$3,442 USD
View
A
Retailer 3
-
£2,644 GBP
$3,543 USD
View
Final sale: no returns
A
Retailer 4
-
£2,738 GBP
$3,669 USD
View
Retailer 5
-
£2,796 GBP
$3,746 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
£2,855 GBP
$3,825 USD
View
A
Retailer 7
-
£2,865 GBP
$3,839 USD
View
A
Retailer 8
-
£3,268 GBP
View
B+
Retailer 9
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£3,422 GBP
$4,585 USD
View
B+
Retailer 10
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£3,638 GBP
View
B+
Retailer 11
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£3,855 GBP
$5,165 USD
View
B+
Retailer 12
-
£3,944 GBP
$5,285 USD
View
Retailer 13
-
£4,196 GBP
€5,354 EUR
View
Price last confirmed 7 days ago
B+
Retailer 14
-
£4,732 GBP
View
B+
Retailer 15
-
£4,945 GBP
ZAR 107,036 ZAR
View
Retailer 16
-
£5,151 GBP
A$10,618 AUD
View
Price last confirmed 8 days ago
B
Retailer 17
-
£6,575 GBP
$8,810 USD
View
B+
Retailer 18
-
£6,979 GBP
View
B
Retailer 19
-
£7,560 GBP
$10,129 USD
View
Retailer 20
-
£9,040 GBP
A$18,634 AUD
View
Price last confirmed 22 days ago
B
Retailer 21
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£9,220 GBP
SGD 16,694 SGD
View
B
Retailer 22
-
£9,565 GBP
$12,816 USD
View
B
Retailer 23
-
£10,099 GBP
$13,532 USD
View
Most Expensive
Helzberg Diamonds
ZXZOKHMLGOLL · Oct 13
£10,784 GBP
$14,450 USD
View
Price last confirmed 18 days ago
23 more retailers have this diamond
Prices start from £2,361 GBPSave up to £7,739 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
£2,361 GBP