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Marquise|Lab Grown|IGI

1.02ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG818650070

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818650070

Diamond specifications and retailer prices

From £159 GBP
$213 USD
As of October 30, 2026
Save £941 GBP (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,099 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.02ct lab-grown marquise diamond

This 1.02ct 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 LG818650070 or 818650070. Listed at 20 retailers as of October 27, 2026, with prices from £159 to £1,099, a £941 spread on the same certified stone. Queensmith lists it at £1,099. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818650070
Dimensions10.88 × 5.23 × 3.22 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
10.88 mm5.23 mm1.02 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818650070
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.6%

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 30
Current: £582 GBP|Low: £178 GBP|High: £800 GBP|Avg: £400 GBP|-10.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 5£178 GBP
Retailer 3£197 GBP
Retailer 7£248 GBP
Retailer 4£267 GBP
Retailer 10£319 GBP
Retailer 8£339 GBP
Retailer 6£365 GBP
Retailer 13£407 GBP
Retailer 11£482 GBP
Retailer 9£486 GBP
Retailer 2£513 GBP
Retailer 1£582 GBP
Retailer 12£792 GBP

32 data points across 13 retailers

20 retailers£159 GBP to £1,099 GBP

A
Cheapest Retailer
-
£159 GBP
$213 USD
A
Retailer 2
-
£178 GBP
$238 USD
View
Final sale: no returns
Retailer 3
-
£195 GBP
$261 USD
View
Price last confirmed 35 days ago
A
Retailer 4
-
£197 GBP
$264 USD
View
A
Retailer 5
-
£197 GBP
$264 USD
View
A
Retailer 6
-
£248 GBP
View
A
Retailer 7
-
£254 GBP
$340 USD
View
A
Retailer 8
-
£267 GBP
$358 USD
View
A
Retailer 9
-
£319 GBP
€407 EUR
View
A
Retailer 10
-
£339 GBP
ZAR 7,338 ZAR
View
B+
Retailer 11
-
£365 GBP
View
B+
Retailer 12
-
£407 GBP
A$838 AUD
View
B+
Retailer 13
-
£482 GBP
A$994 AUD
View
B+
Retailer 14
-
£486 GBP
A$1,001 AUD
View
B
Retailer 15
-
£513 GBP
$687 USD
View
B
Retailer 16
-
£582 GBP
$780 USD
View
B
Retailer 17
-
£674 GBP
$903 USD
View
B
Retailer 18
-
£792 GBP
View
B
Retailer 19
-
£922 GBP
$1,236 USD
View
Most Expensive
B
Queensmith
LG818650070 · Oct 27
£1,099 GBP
View
19 more retailers have this diamond
Prices start from £159 GBPSave up to £941 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
1.02ct Marquise
£159 GBP