Marquise|Lab Grown|IGI

1.25ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG818627023

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818627023

Diamond specifications and retailer prices

From £445 GBP
A$918 AUD
As of October 31, 2026
15 retailers carry this diamond
Most expensive: £1,090 GBP at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.25ct lab-grown marquise diamond

This 1.25ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818627023 or 818627023. Listed at 15 retailers as of October 31, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818627023
Dimensions11.27 × 5.54 × 3.33 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.27 mm5.54 mm1.25 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818627023
Side View
Table 60.0%Crown 34°Girdle: STK-VTKPavilion 39°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £1,090 GBP|Low: £146 GBP|High: £1,164 GBP|Avg: £573 GBP|-6.4%
Brilliant Earth
Retailer 2
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Retailer 22
October 9, 2026
Retailer 19£176 GBP
Retailer 10£196 GBP
Retailer 18£218 GBP
Retailer 21£218 GBP
Retailer 15£347 GBP
Retailer 2£368 GBP
Retailer 17£372 GBP
Retailer 7£377 GBP
Retailer 4£398 GBP
Retailer 13£403 GBP
Retailer 12£445 GBP
Retailer 8£448 GBP
Retailer 14£551 GBP
Retailer 3£640 GBP
Retailer 5£679 GBP
Retailer 22£701 GBP
Retailer 9£740 GBP
Retailer 11£758 GBP
Retailer 16£774 GBP
Retailer 20£882 GBP
Retailer 6£976 GBP
Brilliant Earth£1,090 GBP

24 data points across 22 retailers

15 retailers

Retailer 1
-
£176 GBP
$236 USD
Price last confirmed 23 days ago
Retailer 2
-
£212 GBP
$284 USD
View
Price last confirmed 32 days ago
Retailer 3
-
£218 GBP
$292 USD
View
Price last confirmed 23 days ago
Retailer 4
-
£218 GBP
$292 USD
View
Price last confirmed 22 days ago
Retailer 5
-
£372 GBP
ZAR 8,060 ZAR
View
Price last confirmed 22 days ago
B+
Retailer 6
-
£445 GBP
A$918 AUD
View
Retailer 7
-
£551 GBP
A$1,136 AUD
View
Price last confirmed 34 days ago
Retailer 8
-
£640 GBP
$857 USD
View
Price last confirmed 21 days ago
Retailer 9
-
£679 GBP
$910 USD
View
Price last confirmed 24 days ago
Retailer 10
-
£701 GBP
$939 USD
View
Price last confirmed 23 days ago
Retailer 11
-
£740 GBP
$991 USD
View
Price last confirmed 22 days ago
Retailer 12
-
£774 GBP
A$1,595 AUD
View
Price last confirmed 22 days ago
Retailer 13
-
£882 GBP
View
Price last confirmed 23 days ago
Retailer 14
-
£976 GBP
$1,307 USD
View
Price last confirmed 22 days ago
Most Expensive
Brilliant Earth
20706512A · Oct 8
£1,090 GBP
$1,460 USD
View
Price last confirmed 22 days ago
14 more retailers have this diamond
Prices start from £445 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.

B+
1.25ct Marquise
£445 GBP