Radiant|Lab Grown|IGI

0.77ct J VS1 Radiant Lab Grown Diamond

EX • J/VS1 • IGI LG788669001

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

Certificate IGI LG788669001

Diamond specifications and retailer prices

From £132 GBP
$177 USD
As of October 24, 2026
Save £529 GBP (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £661 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.77ct lab-grown radiant diamond

This 0.77ct lab-grown radiant sits in the just-under-one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788669001 or 788669001. Listed at 15 retailers as of October 24, 2026, with prices from £132 to £661, a £529 spread on the same certified stone. MOH London lists it at £661. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.77
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle39.7°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788669001
Dimensions6.53 × 4.54 × 3.03 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.53 mm4.54 mm0.77 ctJ / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG788669001
Side View
Table 62.0%Crown 39.7°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 66.7%

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 24
Current: £661 GBP|Low: £109 GBP|High: £673 GBP|Avg: £327 GBP|-0.7%
MOH London
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 3£113 GBP
Retailer 12£132 GBP
Retailer 10£141 GBP
Retailer 7£239 GBP
Retailer 13£239 GBP
Retailer 15£253 GBP
Retailer 16£258 GBP
Retailer 14£295 GBP
Retailer 9£313 GBP
Retailer 4£316 GBP
Retailer 2£360 GBP
Retailer 6£387 GBP
Retailer 8£422 GBP
Retailer 11£454 GBP
Retailer 5£495 GBP
MOH London£661 GBP

26 data points across 16 retailers

15 retailers£132 GBP to £661 GBP

Retailer 1
-
£113 GBP
$152 USD
Price last confirmed 9 days ago
A
Retailer 2
-
£132 GBP
$177 USD
View
A
Retailer 3
-
£141 GBP
$189 USD
View
A
Retailer 4
-
£162 GBP
HK$1,700 HKD
View
Retailer 5
-
£239 GBP
€305 EUR
View
Price last confirmed 8 days ago
Retailer 6
-
£253 GBP
ZAR 5,470 ZAR
View
Price last confirmed 13 days ago
B+
Retailer 7
-
£258 GBP
$346 USD
View
Retailer 8
-
£295 GBP
$395 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
£313 GBP
$420 USD
View
B+
Retailer 10
-
£316 GBP
$423 USD
View
B
Retailer 11
-
£360 GBP
$483 USD
View
B
Retailer 12
-
£387 GBP
SGD 700 SGD
View
B
Retailer 13
-
£454 GBP
$608 USD
View
B
Retailer 14
-
£495 GBP
$663 USD
View
Most Expensive
B
MOH London
LG788669001 · Oct 26
£661 GBP
View
14 more retailers have this diamond
Prices start from £132 GBPSave up to £529 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
0.77ct Radiant
£132 GBP