CaratHunter
Plans
Marquise|Lab Grown|IGI

1.55ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG837602005

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837602005

Diamond specifications and retailer prices

From £195 GBP
$261 USD
As of October 30, 2026
Save £839 GBP (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,034 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837602005 or 837602005. Listed at 14 retailers as of October 30, 2026, with prices from £195 to £1,034, a £839 spread on the same certified stone. With Clarity lists it at £1,034. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837602005
Dimensions12.20 × 5.96 × 3.75 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.20 mm5.96 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837602005
Side View
Table 61.0%Crown 35.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.9%

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: £561 GBP|Low: £193 GBP|High: £1,084 GBP|Avg: £661 GBP|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
October 28, 2026
Retailer 10£195 GBP
Retailer 8£225 GBP
Retailer 3£295 GBP
Retailer 5£362 GBP
Retailer 7£397 GBP
Retailer 2£494 GBP
Retailer 1£561 GBP
Retailer 9£740 GBP
Retailer 12£775 GBP
Retailer 11£878 GBP
Retailer 6£968 GBP
Retailer 4£1,011 GBP
With Clarity£1,034 GBP

29 data points across 13 retailers

14 retailers£195 GBP to £1,034 GBP

A
Cheapest Retailer
-
£195 GBP
$261 USD
A
Retailer 2
-
£225 GBP
$302 USD
View
Retailer 3
-
£295 GBP
View
Price last confirmed 15 days ago
A
Retailer 4
-
£362 GBP
$485 USD
View
A
Retailer 5
-
£397 GBP
€506 EUR
View
A
Retailer 6
-
£494 GBP
$662 USD
View
B+
Retailer 7
-
£541 GBP
$725 USD
View
B+
Retailer 8
-
£561 GBP
A$1,156 AUD
View
B+
Retailer 9
-
£740 GBP
$992 USD
View
B+
Retailer 10
-
£775 GBP
$1,038 USD
View
B
Retailer 11
-
£878 GBP
$1,177 USD
View
B
Retailer 12
-
£968 GBP
View
Retailer 13
-
£1,011 GBP
SGD 1,831 SGD
View
Price last confirmed 18 days ago
Most Expensive
B
With Clarity
837602005 · Oct 31
£1,034 GBP
$1,385 USD
View
13 more retailers have this diamond
Prices start from £195 GBPSave up to £839 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
1.55ct Marquise
£195 GBP