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Marquise|Lab Grown|IGI

1.03ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG843675946

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843675946

Diamond specifications and retailer prices

From £125 GBP
$167 USD
As of October 30, 2026
Save £687 GBP (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £812 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843675946 or 843675946. Listed at 18 retailers as of October 30, 2026, with prices from £125 to £812, a £687 spread on the same certified stone. Reve Diamonds lists it at £812. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843675946
Dimensions10.14 × 5.32 × 3.35 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.14 mm5.32 mm1.03 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843675946
Side View
Table 61.0%Crown 37°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 63.0%

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: £274 GBP|Low: £125 GBP|High: £812 GBP|Avg: £339 GBP|+2.6%
Retailer 1
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
Reve Diamonds
October 30, 2026
Retailer 5£125 GBP
Retailer 9£139 GBP
Retailer 15£145 GBP
Retailer 3£154 GBP
Retailer 4£154 GBP
Retailer 10£194 GBP
Retailer 17£246 GBP
Retailer 12£265 GBP
Retailer 1£274 GBP
Retailer 14£276 GBP
Retailer 2£278 GBP
Retailer 13£376 GBP
Retailer 7£391 GBP
Retailer 6£496 GBP
Retailer 16£525 GBP
Retailer 8£537 GBP
Retailer 11£726 GBP
Reve Diamonds£812 GBP

14 data points across 18 retailers

18 retailers£125 GBP to £812 GBP

A
Cheapest Retailer
-
£125 GBP
$167 USD
A
Retailer 2
-
£139 GBP
$186 USD
View
Final sale: no returns
A
Retailer 3
-
£145 GBP
$194 USD
View
Retailer 4
-
£154 GBP
$207 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
£154 GBP
$207 USD
View
A
Retailer 6
-
£194 GBP
View
A
Retailer 7
-
£246 GBP
$329 USD
View
A
Retailer 8
-
£265 GBP
ZAR 5,739 ZAR
View
A
Retailer 9
-
£274 GBP
View
A
Retailer 10
-
£276 GBP
€352 EUR
View
A
Retailer 11
-
£278 GBP
$373 USD
View
B+
Retailer 12
-
£376 GBP
A$776 AUD
View
B+
Retailer 13
-
£391 GBP
$524 USD
View
B+
Retailer 14
-
£496 GBP
$665 USD
View
B
Retailer 15
-
£525 GBP
$703 USD
View
B
Retailer 16
-
£537 GBP
$720 USD
View
B
Retailer 17
-
£726 GBP
View
Most Expensive
B
Reve Diamonds
6477A36D0 · Oct 30
£812 GBP
$1,088 USD
View
17 more retailers have this diamond
Prices start from £125 GBPSave up to £687 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
1.03ct Marquise
£125 GBP