Marquise|Lab Grown|IGI

1.05ct E VVS2 Marquise Lab Grown Diamond

ID • E/VVS2 • IGI LG818695859

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818695859

Diamond specifications and retailer prices

From £155 GBP
$206 USD
As of October 28, 2026
Save £489 GBP (76%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £644 GBP at Frank Darling · As of October 30, 2026
View at Frank Darling

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818695859 or 818695859. Listed at 5 retailers as of October 28, 2026, with prices from £155 to £644, a £489 spread on the same certified stone. Frank Darling lists it at £644. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818695859
Dimensions11.28 × 5.37 × 3.19 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.28 mm5.37 mm1.05 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818695859
Side View
Table 62.0%Crown 35.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.4%

Caratlytics Score

How it works →
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 28
Current: £644 GBP|Low: £140 GBP|High: £655 GBP|Avg: £313 GBP|-1.5%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 28, 2026
Retailer 2£155 GBP
Retailer 5£212 GBP
Retailer 3£240 GBP
Retailer 4£365 GBP
Frank Darling£644 GBP

10 data points across 5 retailers

5 retailers£155 GBP to £644 GBP

A
Cheapest Retailer
-
£155 GBP
$206 USD
Final sale: no returns
Retailer 2
-
£212 GBP
View
Price last confirmed 43 days ago
A
Retailer 3
-
£240 GBP
$319 USD
View
Retailer 4
-
£365 GBP
$486 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Frank Darling
100756990931KD · Oct 30
£644 GBP
$857 USD
View
4 more retailers have this diamond
Prices start from £155 GBPSave up to £489 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
1.05ct Marquise
£155 GBP