Marquise|Lab Grown|IGI

0.99ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG819622653

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG819622653

Diamond specifications and retailer prices

From £470 GBP
A$968 AUD
As of October 31, 2026
9 retailers carry this diamond
Most expensive: £843 GBP at Brilliant Earth · As of October 3, 2026
View at Brilliant Earth

About this 0.99ct lab-grown marquise diamond

This 0.99ct lab-grown marquise 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 LG819622653 or 819622653. Listed at 9 retailers as of October 31, 2026. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819622653
Dimensions10.05 × 5.34 × 3.23 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.05 mm5.34 mm0.99 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819622653
Side View
Table 61.0%Crown 33.6°Girdle: THN-STKPavilion 40.4°Culet: NoneDepth 60.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £843 GBP|Low: £99 GBP|High: £873 GBP|Avg: £439 GBP|-3.4%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
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Retailer 12
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Retailer 20
October 29, 2026
Retailer 15£140 GBP
Retailer 9£209 GBP
Retailer 14£257 GBP
Retailer 20£267 GBP
Retailer 16£276 GBP
Retailer 19£287 GBP
Retailer 7£296 GBP
Retailer 6£302 GBP
Retailer 5£326 GBP
Retailer 4£384 GBP
Retailer 2£470 GBP
Retailer 10£500 GBP
Retailer 18£507 GBP
Retailer 17£528 GBP
Retailer 8£538 GBP
Retailer 13£556 GBP
Retailer 11£591 GBP
Retailer 3£732 GBP
Retailer 12£812 GBP
Brilliant Earth£843 GBP

22 data points across 20 retailers

9 retailers

Retailer 1
-
£276 GBP
ZAR 5,974 ZAR
Price last confirmed 30 days ago
Retailer 2
-
£287 GBP
$384 USD
View
Price last confirmed 28 days ago
Retailer 3
-
£302 GBP
$405 USD
View
Price last confirmed 28 days ago
B+
Retailer 4
-
£470 GBP
A$968 AUD
View
Retailer 5
-
£528 GBP
A$1,089 AUD
View
Price last confirmed 30 days ago
Retailer 6
-
£556 GBP
$745 USD
View
Price last confirmed 27 days ago
Retailer 7
-
£732 GBP
View
Price last confirmed 30 days ago
Retailer 8
-
£819 GBP
$1,098 USD
View
Price last confirmed 29 days ago
Most Expensive
Brilliant Earth
20973384A · Oct 3
£843 GBP
$1,130 USD
View
Price last confirmed 28 days ago
8 more retailers have this diamond
Prices start from £470 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+
0.99ct Marquise
£470 GBP