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Round|Lab Grown|IGI

0.99ct E VVS1 Round Lab Grown Diamond

ID • E/VVS1 • IGI LG830623914

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830623914

Diamond specifications and retailer prices

From £125 GBP
$166 USD
As of October 28, 2026
Save £523 GBP (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £648 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.99ct lab-grown round diamond

This 0.99ct lab-grown round sits in the just-under-one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830623914 or 830623914. Listed at 19 retailers as of October 28, 2026, with prices from £125 to £648, a £523 spread on the same certified stone. MOH London lists it at £648. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830623914
Dimensions6.49 × 6.43 × 3.86 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.49 mm6.43 mm0.99 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830623914
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.8%

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: Oct 28
Current: £648 GBP|Low: £107 GBP|High: £696 GBP|Avg: £321 GBP|-7.0%
MOH London
Retailer 2
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Retailer 10
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Retailer 12
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Retailer 18
October 29, 2026
Retailer 15£111 GBP
Retailer 17£125 GBP
Retailer 18£129 GBP
Retailer 5£137 GBP
Retailer 6£137 GBP
Retailer 13£227 GBP
Retailer 11£249 GBP
Retailer 4£253 GBP
Retailer 8£253 GBP
Retailer 2£255 GBP
Retailer 12£343 GBP
Retailer 14£351 GBP
Retailer 10£400 GBP
Retailer 7£443 GBP
Retailer 16£472 GBP
Retailer 9£485 GBP
Retailer 3£601 GBP
MOH London£648 GBP

38 data points across 18 retailers

19 retailers£125 GBP to £648 GBP

Retailer 1
-
£111 GBP
$148 USD
Price last confirmed 9 days ago
A
Retailer 2
-
£125 GBP
$166 USD
View
Final sale: no returns
Retailer 3
-
£129 GBP
$172 USD
View
Price last confirmed 10 days ago
Retailer 4
-
£137 GBP
$183 USD
View
Price last confirmed 8 days ago
Retailer 5
-
£137 GBP
$183 USD
View
Price last confirmed 13 days ago
Retailer 6
-
£227 GBP
View
Price last confirmed 7 days ago
A
Retailer 7
-
£249 GBP
ZAR 5,356 ZAR
View
A
Retailer 8
-
£253 GBP
$337 USD
View
A
Retailer 9
-
£253 GBP
$337 USD
View
A
Retailer 10
-
£255 GBP
€324 EUR
View
B+
Retailer 11
-
£343 GBP
A$703 AUD
View
B+
Retailer 12
-
£351 GBP
$467 USD
View
B+
Retailer 13
-
£400 GBP
SGD 720 SGD
View
Retailer 14
-
£443 GBP
$590 USD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
£472 GBP
$628 USD
View
B+
Retailer 16
-
£485 GBP
$645 USD
View
B
Retailer 17
-
£601 GBP
$800 USD
View
Retailer 18
-
£616 GBP
$820 USD
View
Price last confirmed 33 days ago
Most Expensive
B
MOH London
LG830623914 · Oct 29
£648 GBP
View
18 more retailers have this diamond
Prices start from £125 GBPSave up to £523 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
0.99ct Round
£125 GBP