Marquise|Lab Grown|IGI

1.03ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG823683330

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823683330

Diamond specifications and retailer prices

From £183 GBP
$245 USD
As of October 30, 2026
Save £755 GBP (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,687 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore 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 LG823683330 or 823683330. Listed at 19 retailers as of October 30, 2026, with a 413% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle30.7°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823683330
Dimensions11.20 × 5.10 × 3.10 mm
L/W Ratio2.20
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.20 mm5.10 mm1.03 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823683330
Side View
Table 56.0%Crown 30.7°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 60.8%

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: £1,687 GBP|Low: £126 GBP|High: £1,687 GBP|Avg: £604 GBP|+3.7%
Do Amore Diamonds
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
October 30, 2026
Retailer 14£183 GBP
Retailer 6£199 GBP
Retailer 3£273 GBP
Retailer 12£377 GBP
Retailer 9£386 GBP
Retailer 2£426 GBP
Retailer 13£445 GBP
Retailer 8£507 GBP
Retailer 10£548 GBP
Retailer 11£656 GBP
Retailer 5£849 GBP
Retailer 7£904 GBP
Retailer 4£938 GBP
Do Amore Diamonds£1,687 GBP

41 data points across 14 retailers

19 retailers£183 GBP to £938 GBP

Retailer 1
-
£157 GBP
$211 USD
Price last confirmed 28 days ago
A
Retailer 2
-
£183 GBP
$245 USD
View
Final sale: no returns
Retailer 3
-
£190 GBP
$255 USD
View
Price last confirmed 31 days ago
A
Retailer 4
-
£199 GBP
$266 USD
View
Retailer 5
-
£204 GBP
$273 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
£273 GBP
$366 USD
View
B+
Retailer 7
-
£377 GBP
$505 USD
View
B+
Retailer 8
-
£386 GBP
ZAR 8,350 ZAR
View
B+
Retailer 9
-
£426 GBP
View
B+
Retailer 10
-
£445 GBP
A$918 AUD
View
B+
Retailer 11
-
£507 GBP
A$1,045 AUD
View
B+
Retailer 12
-
£548 GBP
A$1,129 AUD
View
B
Retailer 13
-
£656 GBP
$879 USD
View
Retailer 14
-
£722 GBP
$967 USD
View
Price last confirmed 30 days ago
B
Retailer 15
-
£849 GBP
$1,138 USD
View
B
Retailer 16
-
£904 GBP
View
B
Retailer 17
-
£938 GBP
$1,256 USD
View
Retailer 18
-
£1,575 GBP
$2,110 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-823683330 · Oct 29
£1,687 GBP
$2,260 USD
View
Price under review
18 more retailers have this diamond
Prices start from £183 GBPSave up to £755 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
£183 GBP