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Marquise|Lab Grown|IGI

1.03ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG818684560

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818684560

Diamond specifications and retailer prices

From £129 GBP
$172 USD
As of October 27, 2026
Save £1,110 GBP (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,239 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818684560 or 818684560. Listed at 14 retailers as of October 27, 2026, with prices from £129 to £1,239, a £1,110 spread on the same certified stone. Do Amore Diamonds lists it at £1,239. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818684560
Dimensions10.33 × 5.29 × 3.24 mm
L/W Ratio1.95
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
10.33 mm5.29 mm1.03 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818684560
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 61.2%

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 27
Current: £1,239 GBP|Low: £112 GBP|High: £1,277 GBP|Avg: £463 GBP|-2.9%
Do Amore Diamonds
Retailer 2
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October 29, 2026
Retailer 14£129 GBP
Retailer 18£145 GBP
Retailer 5£192 GBP
Retailer 2£218 GBP
Retailer 17£221 GBP
Retailer 8£291 GBP
Retailer 13£296 GBP
Retailer 7£303 GBP
Retailer 9£316 GBP
Retailer 15£431 GBP
Retailer 11£477 GBP
Retailer 16£544 GBP
Retailer 6£567 GBP
Retailer 19£568 GBP
Retailer 12£578 GBP
Retailer 10£604 GBP
Retailer 4£728 GBP
Retailer 3£827 GBP
Do Amore Diamonds£1,239 GBP

29 data points across 19 retailers

14 retailers£129 GBP to £1,239 GBP

A
Cheapest Retailer
-
£129 GBP
$172 USD
A
Retailer 2
-
£145 GBP
$193 USD
View
Final sale: no returns
A
Retailer 3
-
£192 GBP
$255 USD
View
A
Retailer 4
-
£218 GBP
View
B+
Retailer 5
-
£221 GBP
$294 USD
View
A
Retailer 6
-
£296 GBP
€376 EUR
View
B+
Retailer 7
-
£431 GBP
A$883 AUD
View
B+
Retailer 8
-
£544 GBP
$724 USD
View
B+
Retailer 9
-
£567 GBP
$755 USD
View
B+
Retailer 10
-
£568 GBP
$756 USD
View
B+
Retailer 11
-
£578 GBP
$769 USD
View
B+
Retailer 12
-
£728 GBP
$970 USD
View
B
Retailer 13
-
£827 GBP
View
Most Expensive
B
Do Amore Diamonds
27-40E76F49A · Oct 29
£1,239 GBP
$1,650 USD
View
13 more retailers have this diamond
Prices start from £129 GBPSave up to £1,110 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
£129 GBP